2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.model.policymodel.handling;
23 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
24 import org.onap.policy.apex.model.policymodel.concepts.AxPolicies;
25 import org.onap.policy.apex.model.policymodel.concepts.AxPolicy;
26 import org.onap.policy.apex.model.utilities.comparison.KeyedMapComparer;
27 import org.onap.policy.apex.model.utilities.comparison.KeyedMapDifference;
30 * This class compares the policies in two {@link AxPolicies} objects and returns the differences.
32 * @author Liam Fallon (liam.fallon@ericsson.com)
34 public class PolicyComparer {
36 * Compare two {@link AxPolicies} objects, comparing their policy maps one after another.
38 * @param left the left policies
39 * @param right the right policies
40 * @return the difference
42 public KeyedMapDifference<AxArtifactKey, AxPolicy> compare(final AxPolicies left, final AxPolicies right) {
43 // Find the difference between the AxPolicy objects
44 return new KeyedMapComparer<AxArtifactKey, AxPolicy>().compareMaps(left.getPolicyMap(), right.getPolicyMap());