diff options
Diffstat (limited to 'model/src/main/java/org/onap/policy/apex/model/contextmodel/handling/ContextComparer.java')
-rw-r--r-- | model/src/main/java/org/onap/policy/apex/model/contextmodel/handling/ContextComparer.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/model/src/main/java/org/onap/policy/apex/model/contextmodel/handling/ContextComparer.java b/model/src/main/java/org/onap/policy/apex/model/contextmodel/handling/ContextComparer.java new file mode 100644 index 000000000..7a5ebfd22 --- /dev/null +++ b/model/src/main/java/org/onap/policy/apex/model/contextmodel/handling/ContextComparer.java @@ -0,0 +1,70 @@ +/*- + * ============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.policy.apex.model.contextmodel.handling; + +import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey; +import org.onap.policy.apex.model.contextmodel.concepts.AxContextAlbum; +import org.onap.policy.apex.model.contextmodel.concepts.AxContextAlbums; +import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchema; +import org.onap.policy.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()); + } + +} |