1 files changed, 0 insertions, 189 deletions
diff --git a/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeContainer.java b/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeContainer.java
deleted file mode 100644
index 21ff792282..0000000000
--- a/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeContainer.java
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * 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.core.component.scope;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.ListIterator;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-import org.apache.tuscany.spi.ObjectCreationException;
-import org.apache.tuscany.spi.component.AtomicComponent;
-import org.apache.tuscany.spi.component.ScopeContainerMonitor;
-import org.apache.tuscany.spi.component.TargetDestructionException;
-import org.apache.tuscany.spi.component.TargetInitializationException;
-import org.apache.tuscany.spi.component.TargetResolutionException;
-import org.apache.tuscany.spi.event.Event;
-import org.apache.tuscany.spi.model.Scope;
-
-import org.apache.tuscany.core.component.event.CompositeStart;
-import org.apache.tuscany.core.component.event.CompositeStop;
-
-/**
- * A scope context which manages atomic component instances keyed by composite
- *
- * @version $Rev$ $Date$
- */
-public class CompositeScopeContainer extends AbstractScopeContainer {
-    private static final InstanceWrapper EMPTY = new EmptyWrapper();
-    private static final ComponentInitComparator COMPARATOR = new ComponentInitComparator();
-
-    private final Map<AtomicComponent, InstanceWrapper> instanceWrappers;
-    // the queue of instanceWrappers to destroy, in the order that their instances were created
-    private final List<InstanceWrapper> destroyQueue;
-
-    public CompositeScopeContainer(ScopeContainerMonitor monitor) {
-        super(null, monitor);
-        instanceWrappers = new ConcurrentHashMap<AtomicComponent, InstanceWrapper>();
-        destroyQueue = new ArrayList<InstanceWrapper>();
-    }
-
-    public Scope getScope() {
-        return Scope.COMPOSITE;
-    }
-
-    public void onEvent(Event event) {
-        checkInit();
-        if (event instanceof CompositeStart) {
-            try {
-                eagerInitComponents();
-            } catch (ObjectCreationException e) {
-                monitor.eagerInitializationError(e);
-            } catch (TargetResolutionException e) {
-                monitor.eagerInitializationError(e);
-            }
-            lifecycleState = RUNNING;
-        } else if (event instanceof CompositeStop) {
-            shutdownContexts();
-        }
-    }
-
-    public synchronized void start() {
-        if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) {
-            throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]");
-        }
-        lifecycleState = RUNNING;
-    }
-
-    public synchronized void stop() {
-        checkInit();
-        instanceWrappers.clear();
-        synchronized (destroyQueue) {
-            destroyQueue.clear();
-        }
-        lifecycleState = STOPPED;
-    }
-
-    /**
-     * Notifies instanceWrappers of a shutdown in reverse order to which they were started
-     */
-    private void shutdownContexts() {
-        if (destroyQueue.size() == 0) {
-            return;
-        }
-        synchronized (destroyQueue) {
-            // shutdown destroyable instances in reverse instantiation order
-            ListIterator<InstanceWrapper> iter = destroyQueue.listIterator(destroyQueue.size());
-            while (iter.hasPrevious()) {
-                try {
-                    iter.previous().stop();
-                } catch (TargetDestructionException e) {
-                    monitor.destructionError(e);
-                }
-            }
-            destroyQueue.clear();
-        }
-    }
-
-    public void register(AtomicComponent component) {
-        checkInit();
-        instanceWrappers.put(component, EMPTY);
-    }
-
-    protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create)
-        throws TargetResolutionException {
-        checkInit();
-        InstanceWrapper ctx = instanceWrappers.get(component);
-        assert ctx != null;
-        if (ctx == EMPTY && !create) {
-            return null;
-        }
-        if (ctx == EMPTY) {
-            ctx = new InstanceWrapperImpl(component, component.createInstance());
-            ctx.start();
-            instanceWrappers.put(component, ctx);
-            synchronized (destroyQueue) {
-                destroyQueue.add(ctx);
-            }
-        }
-        return ctx;
-    }
-
-    private void eagerInitComponents() throws ObjectCreationException, TargetResolutionException {
-        List<AtomicComponent> componentList = new ArrayList<AtomicComponent>(instanceWrappers.keySet());
-        Collections.sort(componentList, COMPARATOR);
-        // start each group
-        for (AtomicComponent component : componentList) {
-            if (component.getInitLevel() <= 0) {
-                // Don't eagerly init
-                continue;
-            }
-            // the instance could have been created from a depth-first traversal
-            InstanceWrapper ctx = instanceWrappers.get(component);
-            if (ctx == EMPTY) {
-                try {
-                    ctx = new InstanceWrapperImpl(component, component.createInstance());
-                } catch (ObjectCreationException e) {
-                    e.addContextName(component.getName());
-                    throw e;
-                }
-                ctx.start();
-                instanceWrappers.put(component, ctx);
-                destroyQueue.add(ctx);
-            }
-        }
-    }
-
-    private static class ComponentInitComparator implements Comparator<AtomicComponent> {
-        public int compare(AtomicComponent o1, AtomicComponent o2) {
-            return o1.getInitLevel() - o2.getInitLevel();
-        }
-    }
-
-    private static class EmptyWrapper implements InstanceWrapper {
-        public Object getInstance() {
-            return null;
-        }
-
-        public boolean isStarted() {
-            return true;
-        }
-
-        public void start() throws TargetInitializationException {
-
-        }
-
-        public void stop() throws TargetDestructionException {
-
-        }
-    }
-}