/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 
 *      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.jbpm.kie.services.impl.cmd;

import org.drools.core.command.impl.GenericCommand;
import org.drools.core.command.impl.KnowledgeCommandContext;
import org.drools.core.command.runtime.process.StartProcessInstanceCommand;
import org.jbpm.process.instance.impl.ProcessInstanceImpl;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.internal.command.Context;
import org.kie.internal.command.ProcessInstanceIdCommand;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlSchemaType;

@XmlAccessorType(XmlAccessType.NONE)
@XmlRootElement(name="start-process-instance-with-parent-command")
public class StartProcessInstanceWithParentCommand implements GenericCommand<ProcessInstance>, ProcessInstanceIdCommand {
    
    /** Generated serial version UID */
    private static final long serialVersionUID = 7634752111656248015L;
   
    @XmlAttribute(required = true)
    @XmlSchemaType(name="long")
    private Long processInstanceId;
    
    @XmlAttribute(required = true)
    @XmlSchemaType(name="long")
    private Long parentProcessInstanceId;

    public StartProcessInstanceWithParentCommand() {
        // JAXB constructor
    }

    public StartProcessInstanceWithParentCommand(Long processInstanceId, Long parentProcessInstanceId) {
        this.processInstanceId = processInstanceId;
        this.parentProcessInstanceId = parentProcessInstanceId;
    }

    public Long getParentProcessInstanceId() {
        return parentProcessInstanceId;
    }

    public void setParentProcessInstanceId( Long parentProcessInstanceId ) {
        this.parentProcessInstanceId = parentProcessInstanceId;
    }

    @Override
    public Long getProcessInstanceId() {
        return processInstanceId;
    }

    @Override
    public void setProcessInstanceId( Long processInstanceId ) {
        this.processInstanceId = processInstanceId;
    }

    @Override
    public ProcessInstance execute( Context context ) {
        KieSession ksession = ((KnowledgeCommandContext) context).getKieSession();
        ProcessInstance processInstance = ksession.getProcessInstance(processInstanceId.longValue());
        if( parentProcessInstanceId > 0 ) {
            ((ProcessInstanceImpl) processInstance).setMetaData("ParentProcessInstanceId", parentProcessInstanceId);
        }
    
        return ksession.startProcessInstance(processInstanceId.longValue());
    }
}