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Core services for Usergrid system.
/*******************************************************************************
* Copyright 2012 Apigee Corporation
*
* 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 org.usergrid.mq;
import java.util.EnumSet;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public enum QueuePosition {
START("start"), END("end"), LAST("last"), CONSUMER("consumer");
private final String shortName;
QueuePosition(String shortName) {
this.shortName = shortName;
}
static Map nameMap = new ConcurrentHashMap();
static {
for (QueuePosition op : EnumSet.allOf(QueuePosition.class)) {
if (op.shortName != null) {
nameMap.put(op.shortName, op);
}
}
}
public static QueuePosition find(String s) {
if (s == null) {
return null;
}
return nameMap.get(s);
}
@Override
public String toString() {
return shortName;
}
}