ctf: Handle traces with unknown event attributes

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.core / src / org / eclipse / linuxtools / tmf / core / filter / model / TmfFilterNode.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
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.core.filter.model;\r
\r
import java.util.ArrayList;\r
import java.util.List;\r
\r
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;\r
\r
/**\r
 * Filter node for the event match operation\r
 *\r
 * @version 1.0\r
 * @author Patrick Tasse\r
 */\r
@SuppressWarnings("javadoc")\r
public class TmfFilterNode extends TmfFilterTreeNode {\r
\r
    public static final String NODE_NAME = "FILTER"; //$NON-NLS-1$\r
	public static final String NAME_ATTR = "name"; //$NON-NLS-1$\r
\r
	String fFilterName;\r
\r
	/**\r
	 * @param filterName the filter name\r
	 */\r
	public TmfFilterNode(String filterName) {\r
		super(null);\r
		fFilterName = filterName;\r
	}\r
\r
	/**\r
	 * @param parent the parent node\r
     * @param filterName the filter name\r
	 */\r
	public TmfFilterNode(ITmfFilterTreeNode parent, String filterName) {\r
		super(parent);\r
		fFilterName = filterName;\r
	}\r
\r
	/**\r
	 * @return the filer name\r
	 */\r
	public String getFilterName() {\r
		return fFilterName;\r
	}\r
\r
	/**\r
	 * @param filterName the filer name\r
	 */\r
	public void setFilterName(String filterName) {\r
		fFilterName = filterName;\r
	}\r
\r
	@Override\r
	public String getNodeName() {\r
		return NODE_NAME;\r
	}\r
\r
	@Override\r
	public boolean matches(ITmfEvent event) {\r
		// There should be at most one child\r
		for (ITmfFilterTreeNode node : getChildren()) {\r
			if (node.matches(event)) {\r
				return true;\r
			}\r
		}\r
		return false;\r
	}\r
\r
	@Override\r
	public List<String> getValidChildren() {\r
		if (getChildrenCount() == 0) {\r
			return super.getValidChildren();\r
		}\r
        return new ArrayList<String>(0); // only one child allowed\r
	}\r
\r
	@Override\r
	public String toString() {\r
		StringBuffer buf = new StringBuffer();\r
		if (getChildrenCount() > 1) {\r
			buf.append("( "); //$NON-NLS-1$\r
		}\r
		for (int i = 0; i < getChildrenCount(); i++) {\r
			ITmfFilterTreeNode node = getChildren()[i];\r
			buf.append(node.toString());\r
			if (i < (getChildrenCount() - 1)) {\r
				buf.append(" and "); //$NON-NLS-1$\r
			}\r
		}\r
		if (getChildrenCount() > 1) {\r
			buf.append(" )"); //$NON-NLS-1$\r
		}\r
		return buf.toString();\r
	}\r
}\r