platform/indexing-api/src/com/intellij/psi/search/RequestResultProcessor.java

/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.psi.search;

import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.util.Processor;
import org.jetbrains.annotations.NotNull;

import java.util.Arrays;

/**
 * @author peter
 */
public abstract class RequestResultProcessor {
  private final Object myEquality;

  protected RequestResultProcessor(@NotNull Object... equality) {
    myEquality = Arrays.asList(equality);
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    RequestResultProcessor that = (RequestResultProcessor)o;

    return myEquality.equals(that.myEquality);
  }

  @Override
  public int hashCode() {
    return myEquality.hashCode();
  }

  public abstract boolean processTextOccurrence(@NotNull PsiElement element, int offsetInElement, @NotNull Processor<PsiReference> consumer);
}