platform/lang-impl/src/com/intellij/psi/impl/search/IndexPatternOccurrenceImpl.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.intellij.psi.impl.search;
  18
  19 import com.intellij.openapi.util.TextRange;
  20 import com.intellij.psi.PsiFile;
  21 import com.intellij.psi.search.IndexPattern;
  22 import com.intellij.psi.search.IndexPatternOccurrence;
  23 import org.jetbrains.annotations.NotNull;
  24
  25 /**
  26  * @author yole
  27  */
  28 class IndexPatternOccurrenceImpl implements IndexPatternOccurrence {
  29   private final PsiFile myFile;
  30   private final int myStartOffset;
  31   private final int myEndOffset;
  32   private final IndexPattern myPattern;
  33
  34   public IndexPatternOccurrenceImpl(PsiFile file, int startOffset, int endOffset, IndexPattern pattern) {
  35     myFile = file;
  36     myStartOffset = startOffset;
  37     myEndOffset = endOffset;
  38     myPattern = pattern;
  39   }
  40
  41   @NotNull
  42   public PsiFile getFile() {
  43     return myFile;
  44   }
  45
  46   @NotNull
  47   public TextRange getTextRange() {
  48     return new TextRange(myStartOffset, myEndOffset);
  49   }
  50
  51   @NotNull
  52   public IndexPattern getPattern() {
  53     return myPattern;
  54   }
  55
  56   public int hashCode(){
  57     return myFile.hashCode()+myStartOffset+myEndOffset+myPattern.hashCode();
  58   }
  59
  60   public boolean equals(Object obj){
  61     if(!(obj instanceof IndexPatternOccurrenceImpl)){
  62       return false;
  63     }
  64     IndexPatternOccurrenceImpl todoItem=(IndexPatternOccurrenceImpl)obj;
  65     return myFile.equals(todoItem.myFile) &&
  66            myStartOffset == todoItem.myStartOffset &&
  67            myEndOffset == todoItem.myEndOffset &&
  68            myPattern.equals(todoItem.myPattern);
  69   }
  70 }