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/*
* ============LICENSE_START=======================================================
* feature-active-standby-management
* ================================================================================
* Copyright (C) 2017-2019, 2021 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.activestandby;
public abstract class DroolsPdpObject implements DroolsPdp {
@Override
public boolean equals(Object other) {
if (other instanceof DroolsPdp) {
return this.getPdpId().equals(((DroolsPdp) other).getPdpId());
} else {
return false;
}
}
@Override
public int hashCode() {
final var prime = 31;
var result = 1;
result = prime * result + (this.getPdpId() == null ? 0 : this.getPdpId().hashCode());
return result;
}
private int nullSafeCompare(String one, String two) {
if (one != null) {
if (two != null) {
return one.compareTo(two);
} else {
return 1;
}
} else if (two != null) {
return -1;
} else {
return 0;
}
}
@Override
public int comparePriority(DroolsPdp other) {
return commonCompare(other);
}
@Override
public int comparePriority(DroolsPdp other, String previousSite) {
if (previousSite == null || previousSite.isEmpty()) {
return comparePriority(other);
}
return commonCompare(other);
}
private int commonCompare(DroolsPdp other) {
if (nullSafeCompare(this.getSite(), other.getSite()) == 0) {
if (this.getPriority() != other.getPriority()) {
return this.getPriority() - other.getPriority();
}
return this.getPdpId().compareTo(other.getPdpId());
} else {
return nullSafeCompare(this.getSite(), other.getSite());
}
}
}
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