org.rocksdb.ComparatorType Maven / Gradle / Ivy
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
package org.rocksdb;
enum ComparatorType {
JAVA_COMPARATOR((byte)0x0),
JAVA_DIRECT_COMPARATOR((byte)0x1),
JAVA_NATIVE_COMPARATOR_WRAPPER((byte)0x2);
private final byte value;
ComparatorType(final byte value) {
this.value = value;
}
/**
* Returns the byte value of the enumerations value.
*
* @return byte representation
*/
byte getValue() {
return value;
}
/**
* Get the ComparatorType enumeration value by
* passing the byte identifier to this method.
*
* @param byteIdentifier of ComparatorType.
*
* @return ComparatorType instance.
*
* @throws IllegalArgumentException if the comparator type for the byteIdentifier
* cannot be found
*/
static ComparatorType getComparatorType(final byte byteIdentifier) {
for (final ComparatorType comparatorType : ComparatorType.values()) {
if (comparatorType.getValue() == byteIdentifier) {
return comparatorType;
}
}
throw new IllegalArgumentException(
"Illegal value provided for ComparatorType.");
}
}