org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/TmfFilterRootNode.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010, 2015 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.tmf.core.filter.model;
  14
  15 import java.util.ArrayList;
  16 import java.util.Arrays;
  17 import java.util.List;
  18
  19 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  20
  21 /**
  22  * The Filter tree root node
  23  *
  24  * @version 1.0
  25  * @author Patrick Tasse
  26  */
  27 public class TmfFilterRootNode extends TmfFilterTreeNode {
  28
  29     /** root node name */
  30     public static final String NODE_NAME = "ROOT"; //$NON-NLS-1$
  31
  32     private static final String[] VALID_CHILDREN = {
  33         TmfFilterNode.NODE_NAME
  34     };
  35
  36     /**
  37      * Default constructor
  38      */
  39     public TmfFilterRootNode() {
  40         super(null);
  41     }
  42
  43     @Override
  44     public String getNodeName() {
  45         return NODE_NAME;
  46     }
  47
  48     @Override
  49     public boolean matches(ITmfEvent event) {
  50         for (ITmfFilterTreeNode node : getChildren()) {
  51             if (! node.matches(event)) {
  52                 return false;
  53             }
  54         }
  55         return true;
  56     }
  57
  58     @Override
  59     public List<String> getValidChildren() {
  60         return Arrays.asList(VALID_CHILDREN);
  61     }
  62
  63     @Override
  64     public String toString(boolean explicit) {
  65         StringBuffer buf = new StringBuffer("root"); //$NON-NLS-1$
  66         if (getChildrenCount() > 0) {
  67             buf.append(' ');
  68             List<String> strings = new ArrayList<>();
  69             for (ITmfFilterTreeNode child : getChildren()) {
  70                 strings.add(child.toString(explicit));
  71             }
  72             buf.append(strings.toString());
  73         }
  74         return buf.toString();
  75     }
  76 }