com.hazelcast.partition.strategy.StringPartitioningStrategy Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.partition.strategy;
import com.hazelcast.core.PartitioningStrategy;
public class StringPartitioningStrategy implements PartitioningStrategy {
public static final StringPartitioningStrategy INSTANCE = new StringPartitioningStrategy();
@Override
public Object getPartitionKey(Object key) {
if (key instanceof String) {
return getPartitionKey((String) key);
}
return null;
}
public static String getBaseName(String name) {
if (name == null) {
return null;
}
int indexOf = name.indexOf('@');
if (indexOf == -1) {
return name;
}
return name.substring(0, indexOf);
}
public static String getPartitionKey(String key) {
if (key == null) {
return null;
}
int firstIndexOf = key.indexOf('@');
if (firstIndexOf == -1) {
return key;
} else {
return key.substring(firstIndexOf + 1);
}
}
}