/*
 * 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.yetus.audience.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();
  }
}
