io.druid.java.util.common.collect.JavaCompatUtils Maven / Gradle / Ivy
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you 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 io.druid.java.util.common.collect;
import java.util.Map;
import java.util.Set;
public class JavaCompatUtils
{
/**
* Equivalent to theMap.keySet(), but works around a Java 7 compat issue. See also
* https://github.com/druid-io/druid/issues/3795.
*/
public static Set keySet(Map theMap)
{
return theMap.keySet();
}
}