org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/TmfFilterOrNode.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 org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  16
  17 /**
  18  * Filter node for the 'or' operation
  19  *
  20  * @version 1.0
  21  * @author Patrick Tasse
  22  */
  23 public class TmfFilterOrNode extends TmfFilterTreeNode {
  24
  25     /** or node name */
  26     public static final String NODE_NAME = "OR"; //$NON-NLS-1$
  27     /** not attribute name */
  28     public static final String NOT_ATTR = "not"; //$NON-NLS-1$
  29
  30     private boolean fNot = false;
  31
  32     /**
  33      * @param parent the parent node
  34      */
  35     public TmfFilterOrNode(ITmfFilterTreeNode parent) {
  36         super(parent);
  37     }
  38
  39     @Override
  40     public String getNodeName() {
  41         return NODE_NAME;
  42     }
  43
  44     /**
  45      * @return the NOT state
  46      */
  47     public boolean isNot() {
  48         return fNot;
  49     }
  50
  51     /**
  52      * @param not the NOT state
  53      */
  54     public void setNot(boolean not) {
  55         this.fNot = not;
  56     }
  57
  58     @Override
  59     public boolean matches(ITmfEvent event) {
  60         for (ITmfFilterTreeNode node : getChildren()) {
  61             if (node.matches(event)) {
  62                 return true ^ fNot;
  63             }
  64         }
  65         return false & fNot;
  66     }
  67
  68     @Override
  69     public String toString(boolean explicit) {
  70         StringBuffer buf = new StringBuffer();
  71         if (fNot) {
  72             buf.append("not "); //$NON-NLS-1$
  73         }
  74         if (getParent() != null && !(getParent() instanceof TmfFilterRootNode) && !(getParent() instanceof TmfFilterNode)) {
  75             buf.append("( "); //$NON-NLS-1$
  76         }
  77         for (int i = 0; i < getChildrenCount(); i++) {
  78             ITmfFilterTreeNode node = getChildren()[i];
  79             buf.append(node.toString(explicit));
  80             if (i < getChildrenCount() - 1) {
  81                 buf.append(" or "); //$NON-NLS-1$
  82             }
  83         }
  84         if (getParent() != null && !(getParent() instanceof TmfFilterRootNode) && !(getParent() instanceof TmfFilterNode)) {
  85             buf.append(" )"); //$NON-NLS-1$
  86         }
  87         return buf.toString();
  88     }
  89 }