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/* 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 org.flowable.bpmn.model;

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

import com.fasterxml.jackson.annotation.JsonIgnore;

/**
 * @author Tijs Rademakers
 * @author Joram Barrez
 */
public class SequenceFlow extends FlowElement {

    protected String conditionExpression;
    protected String sourceRef;
    protected String targetRef;
    protected String skipExpression;

    // Actual flow elements that match the source and target ref
    // Set during process definition parsing
    @JsonIgnore
    protected FlowElement sourceFlowElement;

    @JsonIgnore
    protected FlowElement targetFlowElement;

    /**
     * Graphical information: a list of waypoints: x1, y1, x2, y2, x3, y3, ..
     * 
     * Added during parsing of a process definition.
     */
    protected List waypoints = new ArrayList<>();

    public SequenceFlow() {

    }

    public SequenceFlow(String sourceRef, String targetRef) {
        this.sourceRef = sourceRef;
        this.targetRef = targetRef;
    }

    public String getConditionExpression() {
        return conditionExpression;
    }

    public void setConditionExpression(String conditionExpression) {
        this.conditionExpression = conditionExpression;
    }

    public String getSourceRef() {
        return sourceRef;
    }

    public void setSourceRef(String sourceRef) {
        this.sourceRef = sourceRef;
    }

    public String getTargetRef() {
        return targetRef;
    }

    public void setTargetRef(String targetRef) {
        this.targetRef = targetRef;
    }

    public String getSkipExpression() {
        return skipExpression;
    }

    public void setSkipExpression(String skipExpression) {
        this.skipExpression = skipExpression;
    }

    public FlowElement getSourceFlowElement() {
        return sourceFlowElement;
    }

    public void setSourceFlowElement(FlowElement sourceFlowElement) {
        this.sourceFlowElement = sourceFlowElement;
    }

    public FlowElement getTargetFlowElement() {
        return targetFlowElement;
    }

    public void setTargetFlowElement(FlowElement targetFlowElement) {
        this.targetFlowElement = targetFlowElement;
    }

    public List getWaypoints() {
        return waypoints;
    }

    public void setWaypoints(List waypoints) {
        this.waypoints = waypoints;
    }

    @Override
    public String toString() {
        return sourceRef + " --> " + targetRef;
    }

    @Override
    public SequenceFlow clone() {
        SequenceFlow clone = new SequenceFlow();
        clone.setValues(this);
        return clone;
    }

    public void setValues(SequenceFlow otherFlow) {
        super.setValues(otherFlow);
        setConditionExpression(otherFlow.getConditionExpression());
        setSourceRef(otherFlow.getSourceRef());
        setTargetRef(otherFlow.getTargetRef());
        setSkipExpression(otherFlow.getSkipExpression());
    }
}