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* Licensed to Elasticsearch under one or more contributor
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* this work for additional information regarding copyright
* ownership. Elasticsearch 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 org.elasticsearch.common.util;
import java.util.Map;
import java.util.Objects;
public class Maps {
/**
* Returns {@code true} if the two specified maps are equal to one another. Two maps are considered equal if both represent identical
* mappings where values are checked with Objects.deepEquals. The primary use case is to check if two maps with array values are equal.
*
* @param left one map to be tested for equality
* @param right the other map to be tested for equality
* @return {@code true} if the two maps are equal
*/
public static boolean deepEquals(Map left, Map right) {
if (left == right) {
return true;
}
if (left == null || right == null || left.size() != right.size()) {
return false;
}
return left.entrySet().stream()
.allMatch(e -> right.containsKey(e.getKey()) && Objects.deepEquals(e.getValue(), right.get(e.getKey())));
}
}