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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 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.tosca.datatypes.model;

import java.util.ArrayList;
import java.util.List;

import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@NoArgsConstructor
public class Constraint implements Cloneable {

  private Object equal;
  private Object greater_or_equal;
  private Object greater_than;
  private Object less_than;
  private Object less_or_equal;
  private Object[] in_range;
  private List<Object> valid_values;
  private Integer length;
  private Integer min_length;
  private Integer max_length;
  private Object pattern;

  /**
   * Sets in_range attribute.
   * @param in_range.
   */
  public void setIn_range(Object[] in_range) {
    this.in_range = new Object[2];
    this.in_range[0] = in_range[0];
    this.in_range[1] = in_range[1];
  }

  @Override
  public Constraint clone() {
    Constraint constraint = new Constraint();
    constraint.setEqual(this.getEqual());
    constraint.setGreater_or_equal(this.getGreater_or_equal());
    constraint.setGreater_than(this.getGreater_than());
    cloneInRange(constraint);
    constraint.setLength(this.getLength());
    constraint.setLess_or_equal(this.getLess_or_equal());
    constraint.setLess_than(this.getLess_than());
    constraint.setMax_length(this.getMax_length());
    constraint.setMin_length(this.getMin_length());
    constraint.setPattern(this.getPattern());
    cloneValidValues(constraint);

    return constraint;
  }

  private void cloneInRange(Constraint constraint) {
    if (this.getIn_range() != null) {
      constraint.setIn_range(new Object[]{this.getIn_range()[0], this.getIn_range()[1]});
    }
  }

  private void cloneValidValues(Constraint constraint) {
    if (this.getValid_values() != null) {
      constraint.setValid_values(new ArrayList<>());
      for (Object entry : this.getValid_values()) {
        constraint.getValid_values().add(entry);
      }
    }
  }
}