Package org.drools.command.runtime.process

Source Code of org.drools.command.runtime.process.StartProcessCommand

/**
* Copyright 2010 JBoss Inc
*
* 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.drools.command.runtime.process;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

import org.drools.command.Context;
import org.drools.command.impl.GenericCommand;
import org.drools.command.impl.KnowledgeCommandContext;
import org.drools.process.instance.ProcessInstance;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.xml.jaxb.util.JaxbMapAdapter;

@XmlAccessorType(XmlAccessType.NONE)
public class StartProcessCommand implements GenericCommand<ProcessInstance> {

  @XmlAttribute(required = true)
  private String processId;
 
  @XmlJavaTypeAdapter(JaxbMapAdapter.class)
  @XmlElement(name="parameter")
  private Map<String, Object> parameters = new HashMap<String, Object>();
 
  @XmlElementWrapper(name="data")
  private List<Object> data = null;

  public StartProcessCommand() {
  }

  public StartProcessCommand(String processId) {
    this.processId = processId;
  }
 
  public StartProcessCommand(String processId, Map<String, Object> parameters) {
    this(processId);
    this.parameters = parameters;
  }


  public String getProcessId() {
    return processId;
  }

  public void setProcessId(String processId) {
    this.processId = processId;
  }

  public Map<String, Object> getParameters() {
    return parameters;
  }

  public void setParameters(Map<String, Object> parameters) {
    this.parameters = parameters;
  }

  public void putParameter(String key, Object value) {
    getParameters().put(key, value);
  }
 
  public List<Object> getData() {
    return data;
  }

  public void setData(List<Object> data) {
    this.data = data;
  }

  public ProcessInstance execute(Context context) {
    StatefulKnowledgeSession ksession = ((KnowledgeCommandContext) context).getStatefulKnowledgesession();

    if (data != null) {
      for (Object o: data) {
        ksession.insert(o);
      }
    }
    ProcessInstance processInstance = (ProcessInstance) ksession.startProcess(processId, parameters);
    return processInstance;
  }

  public String toString() {
    String result = "session.startProcess(" + processId + ", [";
    if (parameters != null) {
      int i = 0;
      for (Map.Entry<String, Object> entry: parameters.entrySet()) {
        if (i++ > 0) {
          result += ", ";
        }
        result += entry.getKey() + "=" + entry.getValue();
      }
    }
    result += "]);";
    return result;
  }
}
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