/**
 * Copyright The Apache Software Foundation
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to you 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 org.apache.hadoop.hbase.io.hfile.bucket;

import java.io.IOException;

import org.apache.hadoop.classification.InterfaceAudience;

/**
 * Thrown by {@link BucketAllocator#allocateBlock(int)} when cache is full for
 * the requested size
 */
@InterfaceAudience.Private
public class CacheFullException extends IOException {
  private static final long serialVersionUID = 3265127301824638920L;
  private int requestedSize, bucketIndex;

  CacheFullException(int requestedSize, int bucketIndex) {
    super();
    this.requestedSize = requestedSize;
    this.bucketIndex = bucketIndex;
  }

  public int bucketIndex() {
    return bucketIndex;
  }

  public int requestedSize() {
    return requestedSize;
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder(1024);
    sb.append("Allocator requested size ").append(requestedSize);
    sb.append(" for bucket ").append(bucketIndex);
    return sb.toString();
  }
}
