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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. All rights reserved.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.apex.model.contextmodel.handling;
import org.onap.apex.model.basicmodel.concepts.AxArtifactKey;
import org.onap.apex.model.contextmodel.concepts.AxContextAlbum;
import org.onap.apex.model.contextmodel.concepts.AxContextAlbums;
import org.onap.apex.model.contextmodel.concepts.AxContextSchema;
import org.onap.apex.model.contextmodel.concepts.AxContextSchemas;
import org.onap.policy.apex.model.utilities.comparison.KeyedMapComparer;
import org.onap.policy.apex.model.utilities.comparison.KeyedMapDifference;
/**
* This class compares the context in two AxContext objects and returns the differences. The
* differences are returned in a {@link KeyedMapDifference} object that contains the left, equal,
* and right context schemas or albums.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
public class ContextComparer {
/**
* Compare two {@link AxContextAlbums} objects, comparing their context albums one after
* another.
*
* @param left the left context
* @param right the right context
* @return the difference
*/
public KeyedMapDifference<AxArtifactKey, AxContextAlbum> compare(final AxContextAlbums left,
final AxContextAlbums right) {
// Find the difference between the AxContext objects
return new KeyedMapComparer<AxArtifactKey, AxContextAlbum>().compareMaps(left.getAlbumsMap(),
right.getAlbumsMap());
}
/**
* Compare two {@link AxContextSchema} objects, comparing their context schemas one after
* another.
*
* @param left the left context
* @param right the right context
* @return the difference
*/
public KeyedMapDifference<AxArtifactKey, AxContextSchema> compare(final AxContextSchemas left,
final AxContextSchemas right) {
// Find the difference between the AxContext objects
return new KeyedMapComparer<AxArtifactKey, AxContextSchema>().compareMaps(left.getSchemasMap(),
right.getSchemasMap());
}
}
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