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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2019 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.sdc.dcae.rule.editor.translators;
import org.onap.sdc.dcae.composition.restmodels.ruleeditor.Condition;
import org.onap.sdc.dcae.rule.editor.enums.OperatorTypeEnum;
import java.util.List;
public class FieldConditionTranslator implements IRuleElementTranslator<Condition> {
private static FieldConditionTranslator fieldConditionTranslator = new FieldConditionTranslator();
public static FieldConditionTranslator getInstance() {
return fieldConditionTranslator;
}
private FieldConditionTranslator(){}
private class FieldFilterTranslation extends ProcessorTranslation {
private String field;
private String value;
private FieldFilterTranslation(Condition condition, OperatorTypeEnum operatorType) {
clazz = operatorType.getType();
field = condition.getLeft();
value = condition.getRight().get(0);
}
}
private class UnaryFilterTranslation extends ProcessorTranslation {
private String field;
private boolean emptyIsAssigned;
private UnaryFilterTranslation(Condition condition, OperatorTypeEnum operatorType) {
clazz = operatorType.getType();
field = condition.getLeft();
emptyIsAssigned = condition.isEmptyIsAssigned();
}
}
private class MultiFieldFilterTranslation extends ProcessorTranslation {
private String field;
private List<String> values;
private MultiFieldFilterTranslation(Condition condition, OperatorTypeEnum operatorType) {
field = condition.getLeft();
values = condition.getRight();
clazz = operatorType.getModifiedType().getType();
}
}
public Object translateToHpJson(Condition condition) {
OperatorTypeEnum operatorType = OperatorTypeEnum.getTypeByName(condition.getOperator());
if(OperatorTypeEnum.UNASSIGNED == operatorType || OperatorTypeEnum.ASSIGNED == operatorType) {
return new UnaryFilterTranslation(condition, operatorType);
}
return 1 == condition.getRight().size() && !alwaysUseMultipleRightValues(operatorType)? new FieldFilterTranslation(condition, operatorType) : new MultiFieldFilterTranslation(condition, operatorType);
}
private boolean alwaysUseMultipleRightValues(OperatorTypeEnum operatorType) {
return operatorType.equals(operatorType.getModifiedType());
}
}
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