diff options
Diffstat (limited to 'sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope')
22 files changed, 1593 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java new file mode 100644 index 0000000000..c39b39d491 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java @@ -0,0 +1,191 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.event.Event; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * Implements functionality common to scope contexts. + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractScopeContainer<KEY> implements ScopeContainer<KEY> { + protected Map<KEY, InstanceWrapper<?>> wrappers = new ConcurrentHashMap<KEY, InstanceWrapper<?>>(); + protected final Scope scope; + + protected RuntimeComponent component; + protected volatile int lifecycleState = UNINITIALIZED; + + + public AbstractScopeContainer(Scope scope, RuntimeComponent component) { + this.scope = scope; + this.component = component; + } + + protected void checkInit() { + if (getLifecycleState() != RUNNING) { + throw new IllegalStateException("Scope container not running [" + getLifecycleState() + "]"); + } + } + + /** + * Creates a new physical instance of a component, wrapped in an + * InstanceWrapper. + * + * @param component the component whose instance should be created + * @return a wrapped instance that has been injected but not yet started + * @throws TargetResolutionException if there was a problem creating the + * instance + */ + protected InstanceWrapper createInstanceWrapper() throws TargetResolutionException { + ImplementationProvider implementationProvider = component.getImplementationProvider(); + if (implementationProvider instanceof ScopedImplementationProvider) { + return ((ScopedImplementationProvider)implementationProvider).createInstanceWrapper(); + } + return null; + } + + public InstanceWrapper getAssociatedWrapper(KEY contextId) throws TargetResolutionException { + return getWrapper(contextId); // TODO: what is this method spossed to do diff than getWrapper? + } + + public Scope getScope() { + return scope; + } + + public InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException { + return wrappers.get(contextId); + } + + public void onEvent(Event event) { + } + + protected boolean isEagerInit() { + ImplementationProvider implementationProvider = ((RuntimeComponent)component).getImplementationProvider(); + if (implementationProvider instanceof ScopedImplementationProvider) { + return ((ScopedImplementationProvider)implementationProvider).isEagerInit(); + } + return false; + } + + public void returnWrapper(InstanceWrapper wrapper, KEY contextId) throws TargetDestructionException { + } + + /** + * Default implmentation of remove which does nothing + * + * @param contextId the identifier of the context to remove. + */ + public void remove(KEY contextId) + throws TargetDestructionException { + } + + public synchronized void start() { + int lifecycleState = getLifecycleState(); + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + setLifecycleState(RUNNING); + } + + public void startContext(KEY contextId) { + if(isEagerInit()) { + try { + getWrapper(contextId); + } catch (TargetResolutionException e) { + // + } + } + } + + public synchronized void stop() { + int lifecycleState = getLifecycleState(); + if (lifecycleState != RUNNING) { + throw new IllegalStateException("Scope in wrong state [" + lifecycleState + "]"); + } + setLifecycleState(STOPPED); + } + + public void stopContext(KEY contextId) { + wrappers.remove(contextId); + } + + @Override + public String toString() { + String s; + switch (lifecycleState) { + case ScopeContainer.CONFIG_ERROR: + s = "CONFIG_ERROR"; + break; + case ScopeContainer.ERROR: + s = "ERROR"; + break; + case ScopeContainer.INITIALIZING: + s = "INITIALIZING"; + break; + case ScopeContainer.INITIALIZED: + s = "INITIALIZED"; + break; + case ScopeContainer.RUNNING: + s = "RUNNING"; + break; + case ScopeContainer.STOPPING: + s = "STOPPING"; + break; + case ScopeContainer.STOPPED: + s = "STOPPED"; + break; + case ScopeContainer.UNINITIALIZED: + s = "UNINITIALIZED"; + break; + default: + s = "UNKNOWN"; + break; + } + return "In state [" + s + ']'; + } + + public RuntimeComponent getComponent() { + return component; + } + + public void setComponent(RuntimeComponent component) { + this.component = component; + } + + public int getLifecycleState() { + return lifecycleState; + } + + /** + * Set the current state of the Lifecycle. + * + * @param lifecycleState the new state + */ + protected void setLifecycleState(int lifecycleState) { + this.lifecycleState = lifecycleState; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java new file mode 100644 index 0000000000..80c27aca1b --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java @@ -0,0 +1,70 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * A scope context which manages atomic component instances keyed by composite + * + * @version $Rev$ $Date$ + */ +public class CompositeScopeContainer<KEY> extends AbstractScopeContainer<KEY> { + private InstanceWrapper<?> wrapper; + + public CompositeScopeContainer(RuntimeComponent component) { + super(Scope.COMPOSITE, component); + } + + @Override + public synchronized void stop() { + super.stop(); + wrapper = null; + } + + @Override + public synchronized InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException { + if (wrapper == null) { + wrapper = createInstanceWrapper(); + wrapper.start(); + } + return wrapper; + } + + @Override + public InstanceWrapper getAssociatedWrapper(KEY contextId) throws TargetResolutionException { + if (wrapper == null) { + throw new TargetNotFoundException(component.getURI()); + } + return wrapper; + } + + @Override + public synchronized void start() { + super.start(); + if(isEagerInit()) { + try { + getWrapper(null); + } catch (TargetResolutionException e) { + throw new IllegalStateException(e); + } + } + } +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.java new file mode 100644 index 0000000000..786988613b --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * @version $Rev$ $Date$ + */ +public class CompositeScopeContainerFactory implements ScopeContainerFactory { + + public ScopeContainer createScopeContainer(RuntimeComponent component) { + return new CompositeScopeContainer(component); + } + + public Scope getScope() { + return Scope.COMPOSITE; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java new file mode 100644 index 0000000000..26f4544d14 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java @@ -0,0 +1,289 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+
+package org.apache.tuscany.sca.core.scope;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.store.Store;
+import org.osoa.sca.ConversationEndedException;
+
+/**
+ * A scope context which manages atomic component instances keyed on ConversationID
+ *
+ */
+public class ConversationalScopeContainer extends AbstractScopeContainer<Object> {
+
+ private Map<Object, InstanceLifeCycleWrapper> instanceLifecycleCollection = new ConcurrentHashMap<Object, InstanceLifeCycleWrapper>();
+
+ //TODO: This needs to observe the value set by ConversationalAttributes for now we will hard code it.
+ private long max_age = 60 * 60 * 1000; // 1 hour;
+ private long max_idle_time = 60 * 60 * 1000; // 1 hour;
+ private long reaper_interval = 60; // every minute;
+ private ScheduledExecutorService scheduler;
+
+ public ConversationalScopeContainer(Store aStore, RuntimeComponent component) {
+ super(Scope.CONVERSATION, component);
+
+ // Note: aStore is here to preserve the original factory interface. It is not currently used in this
+ // implemenation since we do not support instance persistence.
+
+ // Check System properties to see if timeout values have been specified. All timeout values
+ // will be specifed in seconds.
+ //
+ String aProperty;
+ aProperty = System.getProperty("org.apache.tuscany.sca.core.scope.ConversationalScopeContainer.MaxIdleTime");
+ if (aProperty != null)
+ try
+ {
+ max_idle_time = (new Long(aProperty) * 1000);
+ }
+ catch (NumberFormatException nfe) {};
+
+ aProperty = System.getProperty("org.apache.tuscany.sca.core.scope.ConversationalScopeContainer.MaxAge");
+ if (aProperty != null)
+ try
+ {
+ max_age = (new Long(aProperty) * 1000);
+ }
+ catch (NumberFormatException nfe) {};
+
+ aProperty = System.getProperty("org.apache.tuscany.sca.core.scope.ConversationalScopeContainer.ReaperInterval");
+ if (aProperty != null)
+ try
+ {
+ reaper_interval = new Long(aProperty);
+ }
+ catch (NumberFormatException nfe) {};
+
+
+ // Check to see if the maxAge and/or maxIdleTime have been specified using @ConversationAttributes.
+ // Implementation annoated attributes are honored first.
+ if (this.getComponent().getImplementationProvider() instanceof ScopedImplementationProvider)
+ {
+ ScopedImplementationProvider aScopedImpl = (ScopedImplementationProvider) this.getComponent().getImplementationProvider();
+
+ long maxAge = aScopedImpl.getMaxAge();
+ if (maxAge > 0) {
+ max_age = maxAge;
+ }
+ long maxIdleTime = aScopedImpl.getMaxIdleTime();
+ if (maxIdleTime > 0 ) {
+ max_idle_time = maxIdleTime;
+ }
+ }
+
+ }
+
+
+ @Override
+ public synchronized void start() {
+ if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) {
+ throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]");
+ }
+
+ // Get a scheduler and scheduled a task to be run in the future indefinitely until its explicitly shutdown.
+ this.scheduler = Executors.newSingleThreadScheduledExecutor();
+ scheduler.scheduleAtFixedRate(new ConversationalInstanceReaper(this.instanceLifecycleCollection), 3, reaper_interval, TimeUnit.SECONDS);
+
+ lifecycleState = RUNNING;
+ }
+
+ @Override
+ public synchronized void stop() {
+
+ // Prevent the scheduler from submitting any additional reapers, initiate an orderly shutdown if a reaper task is in progress.
+ if (this.scheduler != null)
+ this.scheduler.shutdown();
+
+ lifecycleState = STOPPED;
+ }
+
+ protected InstanceWrapper getInstanceWrapper(boolean create,Object contextId) throws TargetResolutionException {
+
+ // we might get a null context if the target service has
+ // conversational scope but only its callback interface
+ // is conversational. In this case we need to invent a
+ // conversation Id here to store the service against
+ // and populate the thread context
+ if (contextId == null){
+ contextId = UUID.randomUUID().toString();
+ Message msgContext = ThreadMessageContext.getMessageContext();
+
+ if (msgContext != null){
+ msgContext.setConversationID(contextId.toString());
+ }
+
+ }
+
+ InstanceLifeCycleWrapper anInstanceWrapper = this.instanceLifecycleCollection.get(contextId);
+
+ if (anInstanceWrapper == null && !create)
+ return null;
+
+ if (anInstanceWrapper == null)
+ {
+ anInstanceWrapper = new InstanceLifeCycleWrapper(contextId);
+ this.instanceLifecycleCollection.put(contextId, anInstanceWrapper);
+ }
+ // If an existing intsance is found return it only if its not expired and update its
+ // last referenced time.
+ else
+ {
+ if (anInstanceWrapper.isExpired())
+ throw new ConversationEndedException();
+ anInstanceWrapper.updateLastReferencedTime();
+ }
+
+ return anInstanceWrapper.getInstanceWrapper();
+
+ }
+
+ @Override
+ public InstanceWrapper getWrapper(Object contextId) throws TargetResolutionException {
+ return getInstanceWrapper(true,contextId);
+ }
+
+
+ // The remove is invoked when a conversation is explicitly ended. This can occur by using the @EndsConversation or API.
+ // In this case the instance is immediately removed. A new conversation will be started on the next operation
+ // associated with this conversationId's service reference.
+ //
+ @Override
+ public void remove(Object contextId) throws TargetDestructionException {
+ if (this.instanceLifecycleCollection.containsKey(contextId))
+ {
+ InstanceLifeCycleWrapper anInstanceLifeCycleWrapper = this.instanceLifecycleCollection.get(contextId);
+ this.instanceLifecycleCollection.remove(contextId);
+ anInstanceLifeCycleWrapper.removeInstanceWrapper();
+ }
+ }
+
+
+ /*
+ * This is an inner class that keeps track of the lifecycle of a conversation scoped
+ * implementation instance.
+ *
+ */
+
+ private class InstanceLifeCycleWrapper
+ {
+ private Object instanceId;
+ private long creationTime;
+ private long lastReferencedTime;
+ private long expirationInterval;
+ private long maxIdleTime;
+
+ private InstanceLifeCycleWrapper(Object contextId) throws TargetResolutionException
+ {
+ this.instanceId = contextId;
+ this.creationTime = System.currentTimeMillis();
+ this.lastReferencedTime = this.creationTime;
+ this.expirationInterval = max_age;
+ this.maxIdleTime = max_idle_time;
+ this.createInstance();
+ }
+
+ private boolean isExpired()
+ {
+ long currentTime = System.currentTimeMillis();
+ if ((this.lastReferencedTime + this.maxIdleTime) < currentTime) // max idle time exceeded
+ return true;
+ if ((this.creationTime + this.expirationInterval) < currentTime) // max time to live exceeded
+ return true;
+
+ return false;
+ }
+
+ private void updateLastReferencedTime()
+ {
+ this.lastReferencedTime = System.currentTimeMillis();
+ }
+
+ //
+ // Return the backing implementation instance
+ //
+ private InstanceWrapper getInstanceWrapper()
+ {
+ InstanceWrapper ctx = wrappers.get(this.instanceId);
+ return ctx;
+ }
+
+ private void removeInstanceWrapper() throws TargetDestructionException
+ {
+ InstanceWrapper ctx = getInstanceWrapper();
+ ctx.stop();
+ wrappers.remove(this.instanceId);
+ }
+
+ private void createInstance() throws TargetResolutionException
+ {
+ InstanceWrapper instanceWrapper = createInstanceWrapper();
+ instanceWrapper.start();
+ wrappers.put(this.instanceId, instanceWrapper);
+ }
+
+ }
+
+ //
+ // This inner class is an instance reaper. It periodically iterates over the InstanceLifeCycleCollection
+ // and for any instances that have expired removes the backing instance and the entry in the InstanceLifeCycle
+ // Collection.
+ //
+ class ConversationalInstanceReaper implements Runnable
+ {
+ private Map<Object, InstanceLifeCycleWrapper> instanceLifecycleCollection;
+
+ public ConversationalInstanceReaper(Map<Object, InstanceLifeCycleWrapper> aMap)
+ {
+ this.instanceLifecycleCollection = aMap;
+ }
+
+ public void run()
+ {
+ Iterator<Map.Entry<Object,InstanceLifeCycleWrapper>> anIterator = this.instanceLifecycleCollection.entrySet().iterator();
+
+ while (anIterator.hasNext())
+ {
+ Map.Entry<Object,InstanceLifeCycleWrapper> anEntry = anIterator.next();
+ InstanceLifeCycleWrapper anInstanceLifeCycleWrapper = anEntry.getValue();
+ if (anInstanceLifeCycleWrapper.isExpired())
+ {
+ try {
+ anInstanceLifeCycleWrapper.removeInstanceWrapper();
+ this.instanceLifecycleCollection.remove(anInstanceLifeCycleWrapper.instanceId);
+ } catch (Exception ex) {
+ // TODO - what to do with any asynchronous exceptions?
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java new file mode 100644 index 0000000000..a6663aba09 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.store.Store; + +/** + * @version $Rev$ $Date$ + */ +public class ConversationalScopeContainerFactory implements ScopeContainerFactory { + private Store store; + + public ConversationalScopeContainerFactory(Store store) { + super(); + this.store = store; + } + + public ScopeContainer createScopeContainer(RuntimeComponent component) { + return new ConversationalScopeContainer(store, component); + } + + public Scope getScope() { + return Scope.CONVERSATION; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.java new file mode 100644 index 0000000000..5ae8b94647 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.java @@ -0,0 +1,83 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.core.event.HttpSessionEnd; +import org.apache.tuscany.sca.event.Event; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * A scope context which manages atomic component instances keyed on HTTP + * session + * + * @version $Rev$ $Date$ + */ +public class HttpSessionScopeContainer extends AbstractScopeContainer<Object> { + + public HttpSessionScopeContainer(RuntimeComponent component) { + super(Scope.SESSION, component); + } + + @Override + public void onEvent(Event event) { + checkInit(); + if (event instanceof HttpSessionEnd) { + //FIXME key is not used + //Object key = ((HttpSessionEnd)event).getSessionID(); + // FIXME: Remove the session id + } + } + + @Override + public synchronized void start() { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + lifecycleState = RUNNING; + } + + @Override + public synchronized void stop() { + lifecycleState = STOPPED; + } + + protected InstanceWrapper getInstanceWrapper(boolean create) throws TargetResolutionException { +// Object key = workContext.getIdentifier(Scope.SESSION); + // FIXME: Need to fix this + Object key ="http-session-id"; + assert key != null : "HTTP session key not bound in work context"; + InstanceWrapper ctx = wrappers.get(key); + if (ctx == null && !create) { + return null; + } + if (ctx == null) { + ctx = super.createInstanceWrapper(); + ctx.start(); + wrappers.put(key, ctx); + } + return ctx; + } + + @Override + public InstanceWrapper getWrapper(Object contextId) throws TargetResolutionException { + return getInstanceWrapper(true); + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.java new file mode 100644 index 0000000000..49f89661b1 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * @version $Rev$ $Date$ + */ +public class HttpSessionScopeContainerFactory implements ScopeContainerFactory { + + public HttpSessionScopeContainerFactory() { + super(); + } + + public ScopeContainer createScopeContainer(RuntimeComponent component) { + return new HttpSessionScopeContainer(component); + } + + public Scope getScope() { + return Scope.SESSION; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java new file mode 100644 index 0000000000..f11a61e662 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java @@ -0,0 +1,86 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.core.event.RequestEnd; +import org.apache.tuscany.sca.event.Event; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * A scope context which manages atomic component instances keyed on the current + * request context + * + * @version $Rev$ $Date$ + */ +public class RequestScopeContainer extends AbstractScopeContainer<Thread> { + private final Map<Thread, InstanceWrapper> contexts; + + public RequestScopeContainer(RuntimeComponent component) { + super(Scope.REQUEST, component); + contexts = new ConcurrentHashMap<Thread, InstanceWrapper>(); + } + + @Override + public void onEvent(Event event) { + checkInit(); + if (event instanceof RequestEnd) { + // shutdownInstances(Thread.currentThread()); + } + } + + @Override + public synchronized void start() { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + lifecycleState = RUNNING; + } + + @Override + public synchronized void stop() { + contexts.clear(); + // synchronized (destroyQueues) { + // destroyQueues.clear(); + // } + lifecycleState = STOPPED; + } + + protected InstanceWrapper getInstanceWrapper(boolean create) throws TargetResolutionException { + InstanceWrapper ctx = wrappers.get(Thread.currentThread()); + if (ctx == null && !create) { + return null; + } + if (ctx == null) { + ctx = super.createInstanceWrapper(); + ctx.start(); + wrappers.put(Thread.currentThread(), ctx); + } + return ctx; + } + + @Override + public InstanceWrapper getWrapper(Thread contextId) throws TargetResolutionException { + return getInstanceWrapper(true); + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.java new file mode 100644 index 0000000000..1cfb6b06a4 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * @version $Rev$ $Date$ + */ +public class RequestScopeContainerFactory implements ScopeContainerFactory { + + public ScopeContainer createScopeContainer(RuntimeComponent component) { + return new RequestScopeContainer(component); + } + + public Scope getScope() { + return Scope.REQUEST; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java new file mode 100644 index 0000000000..0a20d793f7 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java @@ -0,0 +1,66 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +/** + * The default implementation scopes supported by assemblies. + * + * @version $Rev$ $Date$ + */ +public class Scope { + public static final Scope STATELESS = new Scope("STATELESS"); + public static final Scope REQUEST = new Scope("REQUEST"); + public static final Scope SESSION = new Scope("SESSION"); + public static final Scope CONVERSATION = new Scope("CONVERSATION"); + public static final Scope COMPOSITE = new Scope("COMPOSITE"); + public static final Scope SYSTEM = new Scope("SYSTEM"); + public static final Scope UNDEFINED = new Scope("UNDEFINED"); + + private String scope; + + public Scope(String scope) { + this.scope = scope.toUpperCase().intern(); + } + + public String getScope() { + return scope; + } + + @Override + public boolean equals(Object o) { + if (this == o) { + return true; + } + if (o == null || getClass() != o.getClass()) { + return false; + } + final Scope scope1 = (Scope) o; + return !(scope != null ? scope != scope1.scope.intern() : scope1.scope != null); + } + + @Override + public int hashCode() { + return scope != null ? scope.hashCode() : 0; + } + + @Override + public String toString() { + return scope; + } +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java new file mode 100644 index 0000000000..cd0deb4900 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java @@ -0,0 +1,139 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.event.RuntimeEventListener; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + + +/** + * Manages the lifecycle and visibility of instances associated with a an {@link RuntimeComponent}. + * + * @version $Rev$ $Date$ + * @param <KEY> the type of IDs that this container uses to identify its contexts. + * For example, for COMPOSITE scope this could be the URI of the composite component, + * or for HTTP Session scope it might be the HTTP session ID. + */ +public interface ScopeContainer<KEY> extends RuntimeEventListener { + + /** + * Returns the Scope that this container supports. + * + * @return the Scope that this container supports + */ + Scope getScope(); + + /** + * Start a new context with the supplied ID. + * + * @param contextId an ID that uniquely identifies the context. + */ + void startContext(KEY contextId); + + /** + * Stop the context with the supplied ID. + * + * @param contextId an ID that uniquely identifies the context. + */ + void stopContext(KEY contextId); + + /** + * Returns an instance wrapper associated with the current scope context, creating one if necessary + * @param contextId the id for the scope context + * + * @return the wrapper for the target instance + * @throws TargetResolutionException if there was a problem instantiating the target instance + */ + InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException; + + /** + * Returns an implementation instance associated with the current scope context. + * If no instance is found, a {@link TargetNotFoundException} is thrown. + * @param contextId the id for the scope context + * + * @return the wrapper for the target instance + * @throws TargetResolutionException if there was a problem instantiating the target instance + */ + InstanceWrapper getAssociatedWrapper(KEY contextId) + throws TargetResolutionException; + + /** + * Return a wrapper after use (for example, after invoking the instance). + * @param wrapper the wrapper for the target instance being returned + * @param contextId the id for the scope context + * + * @throws TargetDestructionException if there was a problem returning the target instance + */ + void returnWrapper(InstanceWrapper wrapper, KEY contextId) + throws TargetDestructionException; + + /** + * Removes an identified component implementation instance associated with the current + * context from persistent storage + * + * @param contextId the identifier of the context to remove. + */ + void remove(KEY contextId) + throws TargetDestructionException; + + /* A configuration error state */ + int CONFIG_ERROR = -1; + /* Has not been initialized */ + int UNINITIALIZED = 0; + /* In the process of being configured and initialized */ + int INITIALIZING = 1; + /* Instantiated and configured */ + int INITIALIZED = 2; + /* Configured and initialized */ + int RUNNING = 4; + /* In the process of being shutdown */ + int STOPPING = 5; + /* Has been shutdown and removed from the composite */ + int STOPPED = 6; + /* In an error state */ + int ERROR = 7; + + /** + * Returns the lifecycle state + * + * @see #UNINITIALIZED + * @see #INITIALIZING + * @see #INITIALIZED + * @see #RUNNING + * @see #STOPPING + * @see #STOPPED + */ + int getLifecycleState(); + + /** + * Starts the Lifecycle. + * + * @throws CoreRuntimeException + */ + void start(); + + /** + * Stops the Lifecycle. + * + * @throws CoreRuntimeException + */ + void stop(); + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java new file mode 100644 index 0000000000..b19c14b3e0 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * Factory to create ScopeContainer for components + * + * @version $Rev$ $Date$ + */ +public interface ScopeContainerFactory { + ScopeContainer createScopeContainer(RuntimeComponent component); + Scope getScope(); +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java new file mode 100644 index 0000000000..43a3288ff2 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + + +/** + * Manages {@link ScopeContainer}s in the runtime + * + * @version $$Rev$$ $$Date$$ + */ +public interface ScopeRegistry { + + /** + * Returns the scope container for the given scope or null if one not found + * + * @param scope the scope + * @return the scope container for the given scope or null if one not found + */ + ScopeContainer getScopeContainer(RuntimeComponent component); + + /** + * @param factory + */ + void register(ScopeContainerFactory factory); +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.java new file mode 100644 index 0000000000..75261e11a8 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.java @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * The default implementation of a scope registry + * + * @version $Rev$ $Date$ + */ +public class ScopeRegistryImpl implements ScopeRegistry { + private final Map<Scope, ScopeContainerFactory> scopeCache = new ConcurrentHashMap<Scope, ScopeContainerFactory>(); + + public void register(ScopeContainerFactory factory) { + scopeCache.put(factory.getScope(), factory); + } + + public ScopeContainer getScopeContainer(RuntimeComponent runtimeComponent) { + if (!(runtimeComponent instanceof ScopedRuntimeComponent)) { + return null; + } + ScopedRuntimeComponent component = (ScopedRuntimeComponent)runtimeComponent; + if (component.getScopeContainer() != null) { + return component.getScopeContainer(); + } + ImplementationProvider implementationProvider = component.getImplementationProvider(); + if (implementationProvider instanceof ScopedImplementationProvider) { + ScopedImplementationProvider provider = (ScopedImplementationProvider)implementationProvider; + Scope scope = provider.getScope(); + if (scope == null) { + scope = Scope.STATELESS; + } + ScopeContainerFactory factory = scopeCache.get(scope); + ScopeContainer container = factory.createScopeContainer(component); + component.setScopeContainer(container); + return container; + } + return null; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java new file mode 100644 index 0000000000..85a6626cdd --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.provider.ImplementationProvider; + +/** + * A component implementation can implement this interface to provide scope + * management for the components + * + * @version $Rev$ $Date$ + */ +public interface ScopedImplementationProvider extends ImplementationProvider { + /** + * Get the scope for the component implementation + * + * @return The scope for the component implementation, if null is returned, + * STATELESS will be used + */ + Scope getScope(); + + /** + * Indicate if the component needs to be eagerly initialized + * + * @return true if the component is marked to be eagerly initialized, false + * otherwise + */ + boolean isEagerInit(); + + /** + * @return the maxAge + */ + long getMaxAge(); + + /** + * @return the maxIdleTime + */ + long getMaxIdleTime(); + + /** + * Create a wrapper for the component instance for the scope management + * + * @return A wrapper for the component instance + */ + InstanceWrapper createInstanceWrapper(); + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.java new file mode 100644 index 0000000000..c27b112f8a --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.java @@ -0,0 +1,40 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * Scoped runtime component + * + * @version $Rev$ $Date$ + */ +public interface ScopedRuntimeComponent extends RuntimeComponent { + /** + * Set the associated scope container + * @param scopeContainer + */ + void setScopeContainer(ScopeContainer scopeContainer); + /** + * Get the assoicated scope container + * @return + */ + ScopeContainer getScopeContainer(); +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java new file mode 100644 index 0000000000..a2c0edb9b4 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * A scope context which manages stateless atomic component instances in a non-pooled fashion. + * + * @version $Rev$ $Date$ + */ +public class StatelessScopeContainer<KEY> extends AbstractScopeContainer<KEY> { + + public StatelessScopeContainer(RuntimeComponent component) { + super(Scope.STATELESS, component); + } + + @Override + public InstanceWrapper getWrapper(KEY contextId) + throws TargetResolutionException { + InstanceWrapper ctx = createInstanceWrapper(); + ctx.start(); + return ctx; + } + + @Override + public InstanceWrapper getAssociatedWrapper(KEY contextId) + throws TargetResolutionException { + return getWrapper(contextId); + } + + @Override + public void returnWrapper(InstanceWrapper wrapper, KEY contextId) + throws TargetDestructionException { + wrapper.stop(); + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.java new file mode 100644 index 0000000000..0471b2c52e --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * @version $Rev$ $Date$ + */ +public class StatelessScopeContainerFactory implements ScopeContainerFactory { + + public ScopeContainer createScopeContainer(RuntimeComponent component) { + return new StatelessScopeContainer(component); + } + + public Scope getScope() { + return Scope.STATELESS; + } + +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java new file mode 100644 index 0000000000..0f83dad97d --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +/** + * Denotes an error destroying a target + * + * @version $Rev$ $Date$ + */ +public class TargetDestructionException extends TargetResolutionException { + private static final long serialVersionUID = -6126684147851674709L; + + public TargetDestructionException() { + super(); + } + + public TargetDestructionException(String message, Throwable cause) { + super(message, cause); + } + + public TargetDestructionException(String message) { + super(message); + } + + public TargetDestructionException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java new file mode 100644 index 0000000000..15959c0608 --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +/** + * Denotes an error initializing a target + * + * @version $Rev$ $Date$ + */ +public class TargetInitializationException extends TargetResolutionException { + private static final long serialVersionUID = -6228778208649752698L; + + public TargetInitializationException() { + super(); + } + + public TargetInitializationException(String message, Throwable cause) { + super(message, cause); + } + + public TargetInitializationException(String message) { + super(message); + } + + public TargetInitializationException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java new file mode 100644 index 0000000000..6e51a8c9ec --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +/** + * Thrown when a target of an operation cannot be found + * + * @version $$Rev$$ $$Date$$ + */ +public class TargetNotFoundException extends TargetResolutionException { + private static final long serialVersionUID = 5541830480658471186L; + + public TargetNotFoundException() { + super(); + } + + public TargetNotFoundException(String message, Throwable cause) { + super(message, cause); + } + + public TargetNotFoundException(String message) { + super(message); + } + + public TargetNotFoundException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java new file mode 100644 index 0000000000..ea8d0e876c --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +/** + * Denotes an error retrieving a target instance + * + * @version $Rev$ $Date$ + */ +public class TargetResolutionException extends Exception { + private static final long serialVersionUID = 2912513650522019405L; + + public TargetResolutionException() { + super(); + } + + public TargetResolutionException(String message, Throwable cause) { + super(message, cause); + } + + public TargetResolutionException(String message) { + super(message); + } + + public TargetResolutionException(Throwable cause) { + super(cause); + } +} |