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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.basicmodel.concepts;
import java.util.NavigableMap;
import java.util.Set;
import java.util.TreeSet;
import org.onap.policy.apex.model.utilities.Assertions;
/**
* Implements concept getting from navigable maps.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
* @param <C> the type of concept on which the interface implementation is applied.
*/
public class AxConceptGetterImpl<C> implements AxConceptGetter<C> {
// The map from which to get concepts
private final NavigableMap<AxArtifactKey, C> conceptMap;
/**
* Constructor that sets the concept map on which the getter methods in the interface will operate..
*
* @param conceptMap the concept map on which the method will operate
*/
public AxConceptGetterImpl(final NavigableMap<AxArtifactKey, C> conceptMap) {
this.conceptMap = conceptMap;
}
/*
* (non-Javadoc)
*
* @see com.ericsson.apex.core.basicmodel.concepts.AxConceptGetter#get(com. ericsson.apex.core.basicmodel.concepts.AxArtifactKey)
*/
@Override
public C get(final AxArtifactKey conceptKey) {
return conceptMap.get(conceptKey);
}
/*
* (non-Javadoc)
*
* @see com.ericsson.apex.core.basicmodel.concepts.AxConceptGetter#get(java.lang. String)
*/
@Override
public C get(final String conceptKeyName) {
Assertions.argumentNotNull(conceptKeyName, "conceptKeyName may not be null");
// The very fist key that could have this name
final AxArtifactKey lowestArtifactKey = new AxArtifactKey(conceptKeyName, "0.0.1");
// Check if we found a key for our name
AxArtifactKey foundKey = conceptMap.ceilingKey(lowestArtifactKey);
if (foundKey == null || !foundKey.getName().equals(conceptKeyName)) {
return null;
}
// Look for higher versions of the key
do {
final AxArtifactKey nextkey = conceptMap.higherKey(foundKey);
if (nextkey == null || !nextkey.getName().equals(conceptKeyName)) {
break;
}
foundKey = nextkey;
}
while (true);
return conceptMap.get(foundKey);
}
/*
* (non-Javadoc)
*
* @see com.ericsson.apex.core.basicmodel.concepts.AxConceptGetter#get(java.lang. String, java.lang.String)
*/
@Override
public C get(final String conceptKeyName, final String conceptKeyVersion) {
Assertions.argumentNotNull(conceptKeyName, "conceptKeyName may not be null");
if (conceptKeyVersion != null) {
return conceptMap.get(new AxArtifactKey(conceptKeyName, conceptKeyVersion));
}
else {
return this.get(conceptKeyName);
}
}
/*
* (non-Javadoc)
*
* @see com.ericsson.apex.core.basicmodel.concepts.AxConceptGetter#getAll(java. lang.String)
*/
@Override
public Set<C> getAll(final String conceptKeyName) {
return getAll(conceptKeyName, null);
}
/*
* (non-Javadoc)
*
* @see com.ericsson.apex.core.basicmodel.concepts.AxConceptGetter#getAll(java. lang.String, java.lang.String)
*/
@Override
public Set<C> getAll(final String conceptKeyName, final String conceptKeyVersion) {
final Set<C> returnSet = new TreeSet<>();
if (conceptKeyName == null) {
returnSet.addAll(conceptMap.values());
return returnSet;
}
// The very fist key that could have this name
final AxArtifactKey lowestArtifactKey = new AxArtifactKey(conceptKeyName, "0.0.1");
if (conceptKeyVersion != null) {
lowestArtifactKey.setVersion(conceptKeyVersion);
}
// Check if we found a key for our name
AxArtifactKey foundKey = conceptMap.ceilingKey(lowestArtifactKey);
if (foundKey == null || !foundKey.getName().equals(conceptKeyName)) {
return returnSet;
}
returnSet.add(conceptMap.get(foundKey));
// Look for higher versions of the key
do {
foundKey = conceptMap.higherKey(foundKey);
if (foundKey == null || !foundKey.getName().equals(conceptKeyName)) {
break;
}
returnSet.add(conceptMap.get(foundKey));
}
while (true);
return returnSet;
}
}
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