View Javadoc

1   /**
2    * Copyright The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one or more
5    * contributor license agreements. See the NOTICE file distributed with this
6    * work for additional information regarding copyright ownership. The ASF
7    * licenses this file to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance with the License.
9    * You may obtain a copy of the License at
10   *
11   * http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
16   * License for the specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.hadoop.hbase.io.hfile.bucket;
20  
21  import java.io.IOException;
22  
23  import org.apache.hadoop.classification.InterfaceAudience;
24  
25  /**
26   * Thrown by {@link BucketAllocator#allocateBlock(int)} when cache is full for
27   * the requested size
28   */
29  @InterfaceAudience.Private
30  public class CacheFullException extends IOException {
31    private static final long serialVersionUID = 3265127301824638920L;
32    private int requestedSize, bucketIndex;
33  
34    CacheFullException(int requestedSize, int bucketIndex) {
35      super();
36      this.requestedSize = requestedSize;
37      this.bucketIndex = bucketIndex;
38    }
39  
40    public int bucketIndex() {
41      return bucketIndex;
42    }
43  
44    public int requestedSize() {
45      return requestedSize;
46    }
47  
48    @Override
49    public String toString() {
50      StringBuilder sb = new StringBuilder(1024);
51      sb.append("Allocator requested size ").append(requestedSize);
52      sb.append(" for bucket ").append(bucketIndex);
53      return sb.toString();
54    }
55  }