diff options
Diffstat (limited to 'target_explorer/plugins/org.eclipse.tm.te.runtime.model/src/org/eclipse/tm/te/runtime/model/ContainerModelNode.java')
| -rw-r--r-- | target_explorer/plugins/org.eclipse.tm.te.runtime.model/src/org/eclipse/tm/te/runtime/model/ContainerModelNode.java | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/target_explorer/plugins/org.eclipse.tm.te.runtime.model/src/org/eclipse/tm/te/runtime/model/ContainerModelNode.java b/target_explorer/plugins/org.eclipse.tm.te.runtime.model/src/org/eclipse/tm/te/runtime/model/ContainerModelNode.java deleted file mode 100644 index 99318eea2..000000000 --- a/target_explorer/plugins/org.eclipse.tm.te.runtime.model/src/org/eclipse/tm/te/runtime/model/ContainerModelNode.java +++ /dev/null @@ -1,320 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2011 Wind River Systems, Inc. and others. All rights reserved. - * This program and the accompanying materials are made available under the terms - * of the Eclipse Public License v1.0 which accompanies this distribution, and is - * available at http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Wind River Systems - initial API and implementation - *******************************************************************************/ -package org.eclipse.tm.te.runtime.model; - -import java.util.ArrayList; -import java.util.EventObject; -import java.util.List; -import java.util.UUID; -import java.util.concurrent.locks.Lock; -import java.util.concurrent.locks.ReentrantLock; - -import org.eclipse.core.runtime.Assert; -import org.eclipse.core.runtime.jobs.ISchedulingRule; -import org.eclipse.tm.te.runtime.events.EventManager; -import org.eclipse.tm.te.runtime.model.interfaces.IContainerModelNode; -import org.eclipse.tm.te.runtime.model.interfaces.IModelNode; - -/** - * A common (data) model container node implementation. - * <p> - * <b>Note:</b> The (data) model node implementation is not thread-safe. Clients requiring - * a thread-safe implementation should subclass the properties container and - * overwrite {@link #checkThreadAccess()}. - */ -public class ContainerModelNode extends ModelNode implements IContainerModelNode { - // Note: Do _not_ use sorted sets/trees here! The trees get not resorted if the element state - // changes. We may loose the possibility to find the element again within the tree! - private final List<IModelNode> childList = new ArrayList<IModelNode>(); - - // Lock to use for synchronization purpose - private final Lock childListLock = new ReentrantLock(); - - // empty array - public static final IModelNode[] EMPTY_MODEL_NODE_ARRAY = new IModelNode[0]; - - /** - * Constructor. - */ - public ContainerModelNode() { - super(); - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#getChildren() - */ - @Override - public IModelNode[] getChildren() { - return internalGetChildren(); - } - - /** - * Return the real child list. - */ - protected final IModelNode[] internalGetChildren() { - // Create the list that will hold the copy (non-deep copy) - List<IModelNode> children = new ArrayList<IModelNode>(); - try { - // Acquire the lock while copying the child references - childListLock.lock(); - // Add the children to the returned list copy - children.addAll(childList); - } finally { - // Release the lock - childListLock.unlock(); - } - return children.toArray(new IModelNode[children.size()]); - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#getChildren(java.lang.Class) - */ - @Override - @SuppressWarnings("unchecked") - public <T> List<T> getChildren(Class<T> instanceOf) { - // Create the list that will hold the found children being - // a instance of the given class - List<T> children = new ArrayList<T>(); - try { - // Acquire the lock while copying the child references - childListLock.lock(); - // Walk through all the children and check for the class - for (IModelNode child : childList) { - if (instanceOf.isInstance(child)) { - children.add((T)child); - } - } - } finally { - // Release the look - childListLock.unlock(); - } - - return children; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#hasChildren() - */ - @Override - public boolean hasChildren() { - boolean hasChildren = false; - try { childListLock.lock(); hasChildren = !childList.isEmpty(); } finally { childListLock.unlock(); } - return hasChildren; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#add(org.eclipse.tm.te.runtime.interfaces.nodes.IModelNode) - */ - @Override - public boolean add(IModelNode node) { - if (node != null) { - try { - childListLock.lock(); - // set the parent if not set otherwise before. - if (node.getParent() == null) { - node.setParent(this); - } - else { - Assert.isTrue(node.getParent() == this, "Attempt to add child node to " + getName() + " with this != node.getParent()!!!"); //$NON-NLS-1$ //$NON-NLS-2$ - } - childList.add(node); - } finally { - childListLock.unlock(); - } - - EventObject event = newEvent(this, NOTIFY_ADDED, null, new IModelNode[] { node }); - if (event != null) EventManager.getInstance().fireEvent(event); - - return true; - } - return false; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#remove(org.eclipse.tm.te.runtime.interfaces.nodes.IModelNode, boolean) - */ - @Override - public boolean remove(IModelNode node, boolean recursive) { - if (node instanceof IContainerModelNode && recursive) { - IContainerModelNode container = (IContainerModelNode)node; - container.clear(); - } - - boolean removed = false; - // Removes the given node from this container - try { childListLock.lock(); removed = childList.remove(node); } finally { childListLock.unlock(); } - // Unlink the parent and fire the removed notification if the element got removed - if (removed) { - EventObject event = newEvent(this, NOTIFY_REMOVED, new IModelNode[] { node }, null); - if (event != null) EventManager.getInstance().fireEvent(event); - } - - return removed; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#removeAll(java.lang.Class) - */ - @Override - public <T> boolean removeAll(Class<T> nodeType) { - boolean removed = false; - List<T> children; - - try { - childListLock.lock(); - children = getChildren(nodeType); - removed |= childList.removeAll(children); - } finally { - childListLock.unlock(); - } - - if (removed) { - EventObject event = newEvent(this, NOTIFY_REMOVED, children, null); - if (event != null) EventManager.getInstance().fireEvent(event); - } - - return removed; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#clear() - */ - @Override - public boolean clear() { - boolean removed = false; - - boolean changed = setChangeEventsEnabled(false); - - try { - childListLock.lock(); - IModelNode[] children = internalGetChildren(); - for (IModelNode element : children) { - removed |= remove(element, true); - } - } finally { - childListLock.unlock(); - } - - if (changed) setChangeEventsEnabled(true); - - return removed; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#size() - */ - @Override - public int size() { - return childList.size(); - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.interfaces.nodes.IContainerModelNode#contains(org.eclipse.tm.te.runtime.interfaces.nodes.IModelNode) - */ - @Override - public boolean contains(IModelNode node) { - if (node != null) { - try { - childListLock.lock(); - return childList.contains(node); - } finally { - childListLock.unlock(); - } - } - return false; - } - - /** - * Returns weather the scheduling rule of container model nodes is considering - * children or not. If recursive scheduling rule locking is enabled, than any job - * having a child of this container model node as scheduling rule, will conflict - * with this container model node. - * - * @return <code>True</code> if recursive scheduling rule locking is enabled, <code>false</code> otherwise. - */ - protected boolean isSchedulingLockedRecursivly() { - return true; - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.nodes.ModelNode#contains(org.eclipse.core.runtime.jobs.ISchedulingRule) - */ - @Override - public boolean contains(ISchedulingRule rule) { - // We deal only with scheduling rules we know about (as the interface - // declaration of ISchedulingRule#contains requests) and if recursive - // scheduling rule locking is on. - if (isSchedulingLockedRecursivly() && rule instanceof IModelNode) { - // Iterate through the children and if one of the children - // contains the given scheduling rule, this container model - // node contains the given scheduling rule as well. - try { - childListLock.lock(); - IModelNode[] children = internalGetChildren(); - for (IModelNode child : children) { - if (child.contains(rule)) { - return true; - } - } - } finally { - childListLock.unlock(); - } - } - - return super.contains(rule); - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.nodes.ModelNode#isConflicting(org.eclipse.core.runtime.jobs.ISchedulingRule) - */ - @Override - public boolean isConflicting(ISchedulingRule rule) { - // We deal only with scheduling rules we know about (as the interface - // declaration of ISchedulingRule#contains requests) and if recursive - // scheduling rule locking is on. - if (isSchedulingLockedRecursivly() && rule instanceof IModelNode) { - // Iterate through the children and if one of the children - // is conflicting with the given scheduling rule, this - // container model node is conflicting the given scheduling - // rule as well. - try { - childListLock.lock(); - IModelNode[] children = internalGetChildren(); - for (IModelNode child : children) { - if (child.isConflicting(rule)) { - return true; - } - } - } finally { - childListLock.unlock(); - } - } - - return super.isConflicting(rule); - } - - /* (non-Javadoc) - * @see org.eclipse.tm.te.runtime.nodes.ModelNode#find(java.util.UUID) - */ - @Override - public IModelNode find(UUID uuid) { - IModelNode find = super.find(uuid); - if (find != null) return find; - - for (IModelNode child : childList) { - find = child.find(uuid); - if (find != null) { - return find; - } - } - - return find; - } -} |