platform/util/src/com/intellij/util/io/LongInlineKeyDescriptor.java


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/*
 * Copyright 2000-2014 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.util.io;

import org.jetbrains.annotations.NotNull;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

/**
 * @author lambdamix
 */
public class LongInlineKeyDescriptor implements KeyDescriptor<Long> {
  public static LongInlineKeyDescriptor INSTANCE = new LongInlineKeyDescriptor();

  @Override
  public final int getHashCode(Long value) {
    return value.hashCode();
  }

  @Override
  public final boolean isEqual(Long val1, Long val2) {
    return val1.longValue() == val2.longValue();
  }

  @Override
  public final void save(@NotNull DataOutput out, Long value) throws IOException {
    out.writeLong(value.longValue());
  }

  @Override
  public final Long read(@NotNull DataInput in) throws IOException {
    return in.readLong();
  }

}