com.dataartisans.flink.cascading.runtime.stats.EnumStringConverter Maven / Gradle / Ivy
/*
* Copyright 2015 data Artisans GmbH
*
* 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.dataartisans.flink.cascading.runtime.stats;
public class EnumStringConverter {
public static String enumToGroup(Enum e) {
return e.getDeclaringClass().getName();
}
/**
* Convert an Enum to the counter portion of its name.
*
* @param e
* @return
*/
public static String enumToCounter(Enum e) {
return e.name();
}
public static String mergeGroupCounter(String group, String counter) {
return group + "->" + counter;
}
public static boolean accInGroup(String group, String accKey) {
return accKey.startsWith(group + "->");
}
public static boolean accMatchesGroupCounter(String accKey, String group, String counter) {
return accKey.equals(group + "->" + counter);
}
public static String groupCounterToGroup(String groupKey) {
return groupKey.split("->")[0];
}
public static String groupCounterToCounter(String groupKey) {
return groupKey.split("->")[1];
}
}