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Viewing changes to lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/filter/model/TmfFilterNode.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2012-06-29 12:07:30 UTC
  • Revision ID: package-import@ubuntu.com-20120629120730-bfri1xys1i71dpn6
Tags: upstream-1.0.0
Import upstream version 1.0.0

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lttng/org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/filter/model/TmfFilterNode.java
 
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/*******************************************************************************
 
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 * Copyright (c) 2010 Ericsson
 
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 *
 
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 * All rights reserved. This program and the accompanying materials are
 
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 * made available under the terms of the Eclipse Public License v1.0 which
 
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 * accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 * Contributors:
 
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 *   Patrick Tasse - Initial API and implementation
 
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 *******************************************************************************/
 
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package org.eclipse.linuxtools.tmf.core.filter.model;
 
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import java.util.ArrayList;
 
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import java.util.List;
 
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import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
 
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/**
 
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 * Filter node for the event match operation
 
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 * 
 
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 * @version 1.0
 
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 * @author Patrick Tasse
 
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 */
 
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public class TmfFilterNode extends TmfFilterTreeNode {
 
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        public static final String NODE_NAME = "FILTER"; //$NON-NLS-1$
 
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        public static final String NAME_ATTR = "name"; //$NON-NLS-1$
 
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        String fFilterName;
 
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        public TmfFilterNode(String filterName) {
 
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                super(null);
 
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                fFilterName = filterName;
 
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        }
 
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        public TmfFilterNode(ITmfFilterTreeNode parent, String filterName) {
 
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                super(parent);
 
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                fFilterName = filterName;
 
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        }
 
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        public String getFilterName() {
 
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                return fFilterName;
 
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        }
 
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        public void setFilterName(String filterName) {
 
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                fFilterName = filterName;
 
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        }
 
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        @Override
 
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        public String getNodeName() {
 
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                return NODE_NAME;
 
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        }
 
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        @Override
 
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        public boolean matches(ITmfEvent event) {
 
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                // There should be at most one child
 
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                for (ITmfFilterTreeNode node : getChildren()) {
 
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                        if (node.matches(event)) {
 
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                                return true;
 
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                        }
 
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                }
 
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                return false;
 
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        }
 
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        @Override
 
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        public List<String> getValidChildren() {
 
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                if (getChildrenCount() == 0) {
 
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                        return super.getValidChildren();
 
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                }
 
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        return new ArrayList<String>(0); // only one child allowed
 
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        }
 
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        @Override
 
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        public String toString() {
 
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                StringBuffer buf = new StringBuffer();
 
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                if (getChildrenCount() > 1) {
 
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                        buf.append("( "); //$NON-NLS-1$
 
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                }
 
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                for (int i = 0; i < getChildrenCount(); i++) {
 
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                        ITmfFilterTreeNode node = getChildren()[i];
 
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                        buf.append(node.toString());
 
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                        if (i < (getChildrenCount() - 1)) {
 
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                                buf.append(" and "); //$NON-NLS-1$
 
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                        }
 
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                }
 
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                if (getChildrenCount() > 1) {
 
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                        buf.append(" )"); //$NON-NLS-1$
 
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                }
 
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                return buf.toString();
 
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        }
 
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}