ceph/src/rocksdb/java/src/main/java/org/rocksdb/CompactionStopStyle.java

   1 package org.rocksdb;
   2
   3 /**
   4  * Algorithm used to make a compaction request stop picking new files
   5  * into a single compaction run
   6  */
   7 public enum CompactionStopStyle {
   8
   9   /**
  10    * Pick files of similar size
  11    */
  12   CompactionStopStyleSimilarSize((byte)0x0),
  13
  14   /**
  15    * Total size of picked files &gt; next file
  16    */
  17   CompactionStopStyleTotalSize((byte)0x1);
  18
  19
  20   private final byte value;
  21
  22   CompactionStopStyle(final byte value) {
  23     this.value = value;
  24   }
  25
  26   /**
  27    * Returns the byte value of the enumerations value
  28    *
  29    * @return byte representation
  30    */
  31   public byte getValue() {
  32     return value;
  33   }
  34
  35   /**
  36    * Get CompactionStopStyle by byte value.
  37    *
  38    * @param value byte representation of CompactionStopStyle.
  39    *
  40    * @return {@link org.rocksdb.CompactionStopStyle} instance or null.
  41    * @throws java.lang.IllegalArgumentException if an invalid
  42    *     value is provided.
  43    */
  44   public static CompactionStopStyle getCompactionStopStyle(final byte value) {
  45     for (final CompactionStopStyle compactionStopStyle :
  46         CompactionStopStyle.values()) {
  47       if (compactionStopStyle.getValue() == value){
  48         return compactionStopStyle;
  49       }
  50     }
  51     throw new IllegalArgumentException(
  52         "Illegal value provided for CompactionStopStyle.");
  53   }
  54 }