diff options
Diffstat (limited to 'branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider')
3 files changed, 209 insertions, 0 deletions
diff --git a/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASImplementationProvider.java b/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASImplementationProvider.java new file mode 100644 index 0000000000..40f414b7ef --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASImplementationProvider.java @@ -0,0 +1,75 @@ +/* + * 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.implementation.das.provider; + +import org.apache.tuscany.das.rdb.DAS; +import org.apache.tuscany.sca.data.engine.DataAccessEngine; +import org.apache.tuscany.sca.data.engine.DataAccessEngineManager; +import org.apache.tuscany.sca.implementation.das.DASImplementation; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * DAS Implementation provider + * + * @version $Rev$ $Date$ + */ +public class DASImplementationProvider implements ImplementationProvider { + + private RuntimeComponent component; + private DASImplementation implementation; + private final DataAccessEngineManager dataAccessEngineManager; + + /** + * Constructs a new DAS implementation. + */ + public DASImplementationProvider(RuntimeComponent component, DASImplementation implementation) { + this.component = component; + this.implementation = implementation; + this.dataAccessEngineManager = new DataAccessEngineManager(); + } + + public Invoker createInvoker(RuntimeComponentService service, Operation operation) { + DAS das = null; + try { + das = dataAccessEngineManager.getDAS(implementation.getConfig(), implementation.getConnectionInfo()); + } catch(Exception e) { + e.printStackTrace(); + //what now ? + } + DASInvoker invoker = new DASInvoker(operation, new DataAccessEngine(das) ); + return invoker; + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + System.out.println("Starting " + component.getName()); + } + + public void stop() { + System.out.println("Stopping " + component.getName()); + } + +} diff --git a/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASImplementationProviderFactory.java b/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASImplementationProviderFactory.java new file mode 100644 index 0000000000..3ce182347c --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASImplementationProviderFactory.java @@ -0,0 +1,47 @@ +/* + * 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.implementation.das.provider; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.das.DASImplementation; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.provider.ImplementationProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * Factory for DAS Implementation Provider + * + * @version $Rev$ $Date$ + */ +public class DASImplementationProviderFactory implements ImplementationProviderFactory<DASImplementation> { + + /** + * Constructs a new DAS implementation. + */ + public DASImplementationProviderFactory(ExtensionPointRegistry extensionPoints) { + } + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, DASImplementation implementation) { + return new DASImplementationProvider(component, implementation); + } + + public Class<DASImplementation> getModelType() { + return DASImplementation.class; + } +} diff --git a/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASInvoker.java b/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASInvoker.java new file mode 100644 index 0000000000..4cd227717c --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-das/src/main/java/org/apache/tuscany/sca/implementation/das/provider/DASInvoker.java @@ -0,0 +1,87 @@ +/* + * 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.implementation.das.provider; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.data.engine.DataAccessEngine; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + + +/** + * Implements a target invoker for DAS component implementations. + * + * The target invoker is responsible for dispatching invocations to the particular + * component implementation logic. The current component implementation will + * dispatch calls to the DAS APIs to retrieve the requested data from the back-end store + * + * @version $Rev$ $Date$ + */ +public class DASInvoker implements Invoker { + private final Operation operation; + private final DataAccessEngine dataAccessEngine; + + public DASInvoker(Operation operation, DataAccessEngine dataAccessEngine) { + this.operation = operation; + this.dataAccessEngine = dataAccessEngine; + } + + public Message invoke(Message msg) { + try { + Object[] args = msg.getBody(); + Object resp = doTheWork(args); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setFaultBody(e.getCause()); + } + return msg; + } + + public Object doTheWork(Object[] args) throws InvocationTargetException { + //check annotation +// try { +// Method methodDeclaration = this.getClass().getMethod(operation.getName(), null); +// methodDeclaration.getAnnotation(org.apache.tuscany.sca.implementation.das.annotations.Command.class); +// } catch (Exception e) { +// //ignore +// } + + //check if static way + if (operation.getName().equals("executeCommand")) { + String commandName, xPath; + + //simple execute command by name + if( args.length == 1){ + commandName = (String) args[0]; + return this.dataAccessEngine.executeCommand(commandName); + } else { + commandName = (String) args[0]; + xPath = (String) args[1]; + + return this.dataAccessEngine.executeCommand(commandName, xPath); + } + } else { // dynamic mapping to command + + return this.dataAccessEngine.executeCommand(operation.getName()); + } + } +} |