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LogicalFilter.java
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LogicalFilter.java
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/*
* Copyright (c) 2010-2014 Evolveum
*
* 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.
*/
package com.evolveum.midpoint.prism.query;
import java.util.ArrayList;
import java.util.List;
public abstract class LogicalFilter extends ObjectFilter {
protected List<ObjectFilter> conditions;
public LogicalFilter(){
}
public List<ObjectFilter> getConditions() {
if (conditions == null){
conditions = new ArrayList<ObjectFilter>();
}
return conditions;
}
public void setConditions(List<ObjectFilter> condition) {
this.conditions = condition;
}
public void addCondition(ObjectFilter condition) {
this.conditions.add(condition);
}
public boolean contains(ObjectFilter condition) {
return this.conditions.contains(condition);
}
abstract public LogicalFilter cloneEmpty();
protected List<ObjectFilter> getClonedConditions() {
if (conditions == null) {
return null;
}
List<ObjectFilter> clonedConditions = new ArrayList<ObjectFilter>(conditions.size());
for (ObjectFilter connditio: conditions) {
clonedConditions.add(connditio.clone());
}
return clonedConditions;
}
public boolean isEmpty() {
return conditions == null || conditions.isEmpty();
}
@Override
public void accept(Visitor visitor) {
super.accept(visitor);
for (ObjectFilter condition: getConditions()) {
condition.accept(visitor);
}
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((conditions == null) ? 0 : conditions.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
LogicalFilter other = (LogicalFilter) obj;
if (conditions == null) {
if (other.conditions != null)
return false;
} else if (!conditions.equals(other.conditions))
return false;
return true;
}
}