org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/filter/model/TmfFilterAndNode.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 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.linuxtools.tmf.core.filter.model;
  14
  15 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  16
  17
  18 /**
  19  * Filter node for the 'and' operation
  20  *
  21  * @version 1.0
  22  * @author Patrick Tasse
  23  */
  24 public class TmfFilterAndNode extends TmfFilterTreeNode {
  25
  26         public static final String NODE_NAME = "AND"; //$NON-NLS-1$
  27         public static final String NOT_ATTR = "not"; //$NON-NLS-1$
  28
  29         private boolean fNot = false;
  30
  31         public TmfFilterAndNode(ITmfFilterTreeNode parent) {
  32                 super(parent);
  33         }
  34
  35         public boolean isNot() {
  36                 return fNot;
  37         }
  38
  39         public void setNot(boolean not) {
  40                 this.fNot = not;
  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 ^ fNot;
  53                         }
  54                 }
  55                 return true ^ fNot;
  56         }
  57
  58         @Override
  59         public String toString() {
  60                 StringBuffer buf = new StringBuffer();
  61                 if (fNot) {
  62                         buf.append("not "); //$NON-NLS-1$
  63                 }
  64                 if (getParent() != null && !(getParent() instanceof TmfFilterRootNode) && !(getParent() instanceof TmfFilterNode)) {
  65                         buf.append("( "); //$NON-NLS-1$
  66                 }
  67                 for (int i = 0; i < getChildrenCount(); i++) {
  68                         ITmfFilterTreeNode node = getChildren()[i];
  69                         buf.append(node.toString());
  70                         if (i < getChildrenCount() - 1) {
  71                                 buf.append(" and "); //$NON-NLS-1$
  72                         }
  73                 }
  74                 if (getParent() != null && !(getParent() instanceof TmfFilterRootNode) && !(getParent() instanceof TmfFilterNode)) {
  75                         buf.append(" )"); //$NON-NLS-1$
  76                 }
  77                 return buf.toString();
  78         }
  79
  80 }