VariableInstanceEntityHandler.java example

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Orienteer-master
package org.orienteer.bpm.camunda.handler;

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

import org.camunda.bpm.engine.impl.db.ListQueryParameterObject;
import org.camunda.bpm.engine.impl.persistence.entity.EventSubscriptionEntity;
import org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity;
import org.orienteer.bpm.camunda.OPersistenceSession;
import org.orienteer.core.util.OSchemaHelper;

import com.orientechnologies.orient.core.metadata.schema.OType;

/**
 * {@link IEntityHandler} for {@link VariableInstanceEntity} 
 */
public class VariableInstanceEntityHandler extends AbstractEntityHandler<VariableInstanceEntity> {

	public static final String OCLASS_NAME = "BPMVariable"; 
	
	public VariableInstanceEntityHandler() {
		super(OCLASS_NAME);
	}
	
	@Override
	public void applySchema(OSchemaHelper helper) {
		super.applySchema(helper);
		helper.oProperty("serializerName", OType.STRING, 30)
			  .oProperty("name", OType.STRING, 20)
			  .oProperty("execution", OType.LINK, 40).assignVisualization("listbox")
			  .oProperty("processInstanceId", OType.STRING, 50)
			  .oProperty("caseExecutionId", OType.STRING, 60)
			  .oProperty("caseInstanceId", OType.STRING, 70)
			  .oProperty("task", OType.LINK, 80).assignVisualization("listbox")
			  .oProperty("byteArrayValue", OType.LINK, 90)
			  .oProperty("doubleValue", OType.DOUBLE, 100)
			  .oProperty("longValue", OType.LONG, 110)
			  .oProperty("textValue", OType.STRING, 120)
			  .oProperty("textValue2", OType.STRING, 130)
			  .oProperty("sequenceCounter", OType.LONG, 140)
			  .oProperty("concurrentLocal", OType.BOOLEAN, 150);
	}

	@Override
	public void applyRelationships(OSchemaHelper helper) {
		super.applyRelationships(helper);
		helper.setupRelationship(VariableInstanceEntityHandler.OCLASS_NAME, "execution", ExecutionEntityHandler.OCLASS_NAME, "variables");
		helper.setupRelationship(VariableInstanceEntityHandler.OCLASS_NAME, "task", TaskEntityHandler.OCLASS_NAME, "variables");
		helper.setupRelationship(VariableInstanceEntityHandler.OCLASS_NAME, "byteArrayValue", ByteArrayEntityHandler.OCLASS_NAME);
	}

	@Statement
	public List<VariableInstanceEntity> selectVariablesByExecutionId(OPersistenceSession session, ListQueryParameterObject parameter) {
		return queryList(session, "select from "+getSchemaClass()+" where execution.id=?", parameter.getParameter());
	}
	
	@Statement
	public List<VariableInstanceEntity> selectVariablesByTaskId(OPersistenceSession session, ListQueryParameterObject parameter) {
		return queryList(session, "select from "+getSchemaClass()+" where task.id=?", parameter.getParameter());
	}

	@Statement
	public void deleteByteArrayNoRevisionCheck(OPersistenceSession session, String id) {
		Map<String, String> params = new HashMap<String, String>();
		params.put("id", id);

		delete(session, params);
	}
}