Rename xxx.lttng to xxx.lttng.core

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf / src / org / eclipse / linuxtools / tmf / filter / model / TmfFilterTreeNode.java

/*******************************************************************************\r
 * Copyright (c) 2010 Ericsson\r
 * \r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 * \r
 * Contributors:\r
 *   Yuriy Vashchuk (yvashchuk@gmail.com) - Initial API and implementation\r
 *   Patrick Tasse - Refactoring\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.filter.model;\r
\r
import java.util.ArrayList;\r
import java.util.Arrays;\r
import java.util.List;\r
\r
import org.eclipse.linuxtools.tmf.event.TmfEvent;\r
\r
/**\r
 * <b><u>TmfFilterTreeNode</u></b>\r
 * <p>\r
 * The Filter Tree node\r
 * <p>\r
 */\r
public abstract class TmfFilterTreeNode implements ITmfFilterTreeNode, Cloneable {\r
	\r
	private static final String[] VALID_CHILDREN = {\r
		TmfFilterEventTypeNode.NODE_NAME,\r
		TmfFilterAndNode.NODE_NAME,\r
		TmfFilterOrNode.NODE_NAME,\r
		TmfFilterContainsNode.NODE_NAME,\r
		TmfFilterEqualsNode.NODE_NAME,\r
		TmfFilterMatchesNode.NODE_NAME,\r
		TmfFilterCompareNode.NODE_NAME\r
	};\r
	\r
	private ITmfFilterTreeNode parent = null;\r
	private ArrayList<ITmfFilterTreeNode> children = new ArrayList<ITmfFilterTreeNode>();\r
\r
    public TmfFilterTreeNode(final ITmfFilterTreeNode parent) {\r
    	if (parent != null) {\r
    		parent.addChild(this);\r
    	}\r
    }\r
    \r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getParent()\r
	 */\r
	@Override\r
	public ITmfFilterTreeNode getParent() {\r
		return parent;\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getNodeName()\r
	 */\r
	@Override\r
	public abstract String getNodeName();\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#hasChildren()\r
	 */\r
	@Override\r
	public boolean hasChildren() {\r
		return (children.size() > 0);\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getChildrenCount()\r
	 */\r
	@Override\r
	public int getChildrenCount() {\r
		return children.size();\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getChildren()\r
	 */\r
	@Override\r
	public ITmfFilterTreeNode[] getChildren() {\r
		return children.toArray(new ITmfFilterTreeNode[0]);\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getChild(int)\r
	 */\r
	@Override\r
	public ITmfFilterTreeNode getChild(final int index) throws IndexOutOfBoundsException {\r
		return children.get(index);\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#remove()\r
	 */\r
	@Override\r
	public ITmfFilterTreeNode remove() {\r
		if (getParent() != null) {\r
			getParent().removeChild(this);\r
		}\r
		return this;\r
	}\r
\r
	/*\r
	 * (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#removeChild(org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)\r
	 */\r
	@Override\r
	public ITmfFilterTreeNode removeChild(ITmfFilterTreeNode node) {\r
		children.remove(node);\r
		node.setParent(null);\r
		return node;\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#addChild(org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)\r
	 */\r
	@Override\r
	public int addChild(final ITmfFilterTreeNode node) {\r
		node.setParent(this);\r
		if(children.add(node)) {\r
			return (children.size() - 1);\r
		}\r
		return -1;\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#replaceChild(int, org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)\r
	 */\r
	@Override\r
	public ITmfFilterTreeNode replaceChild(final int index, final ITmfFilterTreeNode node) throws IndexOutOfBoundsException {\r
		node.setParent(this);\r
		return children.set(index, node);\r
	}\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#setParent(org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)\r
	 */\r
	@Override\r
	public void setParent(final ITmfFilterTreeNode parent) {\r
		this.parent = parent;\r
	}\r
\r
	\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#matches(org.eclipse.linuxtools.tmf.event.TmfEvent)\r
	 */\r
	@Override\r
	public abstract boolean matches(TmfEvent event);\r
\r
	/* (non-Javadoc)\r
	 * @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getValidChildren()\r
	 * \r
	 * By default, all node types are valid children. Override if different.\r
	 */\r
	@Override\r
	public List<String> getValidChildren() {\r
		return Arrays.asList(VALID_CHILDREN);\r
	}\r
\r
	@Override\r
	public ITmfFilterTreeNode clone() {\r
		try {\r
			TmfFilterTreeNode clone = (TmfFilterTreeNode) super.clone();\r
			clone.parent = null;\r
			clone.children = new ArrayList<ITmfFilterTreeNode>(children.size());\r
			for (ITmfFilterTreeNode child : getChildren()) {\r
				clone.addChild(child.clone());\r
			}\r
			return clone;\r
		} catch (CloneNotSupportedException e) {\r
			return null;\r
		}\r
	}\r
}\r