/*
* Copyright 2016 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.
* 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.jbpm.kie.services.impl.query.mapper;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.dashbuilder.dataset.DataSet;
import org.jbpm.services.api.model.ProcessInstanceWithVarsDesc;
import org.jbpm.services.api.query.QueryResultMapper;
/**
* Dedicated mapper to transform data set into list of ProcessInstanceWithVarsDesc
*
*/
public class ProcessInstanceWithCustomVarsQueryMapper extends AbstractQueryMapper<ProcessInstanceWithVarsDesc> implements QueryResultMapper<List<ProcessInstanceWithVarsDesc>> {
private static final long serialVersionUID = 5935133069234696715L;
private Map<String, String> variablesMap = new HashMap<String, String>();
/**
* Dedicated for ServiceLoader to create instance, use <code>get()</code> method instead
*/
public ProcessInstanceWithCustomVarsQueryMapper() {
super();
}
public ProcessInstanceWithCustomVarsQueryMapper(Map<String, String> variablesMap) {
this.variablesMap = variablesMap;
}
public static ProcessInstanceWithCustomVarsQueryMapper get(Map<String, String> variablesMap) {
return new ProcessInstanceWithCustomVarsQueryMapper(variablesMap);
}
@Override
public List<ProcessInstanceWithVarsDesc> map(Object result) {
if (result instanceof DataSet) {
DataSet dataSetResult = (DataSet) result;
List<ProcessInstanceWithVarsDesc> mappedResult = new ArrayList<ProcessInstanceWithVarsDesc>();
Map<Long, ProcessInstanceWithVarsDesc> tmp = new HashMap<Long, ProcessInstanceWithVarsDesc>();
if (dataSetResult != null) {
for (int i = 0; i < dataSetResult.getRowCount(); i++) {
Long processInstanceId = getColumnLongValue(dataSetResult, COLUMN_PROCESSINSTANCEID, i);
ProcessInstanceWithVarsDesc pi = tmp.get(processInstanceId);
if (pi == null) {
pi = buildInstance(dataSetResult, i);
mappedResult.add(pi);
tmp.put(processInstanceId, pi);
}
Map<String, Object> variables = readVariables(variablesMap, dataSetResult, i);
((org.jbpm.kie.services.impl.model.ProcessInstanceWithVarsDesc)pi).setVariables(variables);
}
}
tmp = null;
return mappedResult;
}
throw new IllegalArgumentException("Unsupported result for mapping " + result);
}
protected ProcessInstanceWithVarsDesc buildInstance(DataSet dataSetResult, int index) {
ProcessInstanceWithVarsDesc pi = new org.jbpm.kie.services.impl.model.ProcessInstanceWithVarsDesc(
getColumnLongValue(dataSetResult, COLUMN_PROCESSINSTANCEID, index),
getColumnStringValue(dataSetResult, COLUMN_PROCESSID, index),
getColumnStringValue(dataSetResult, COLUMN_PROCESSNAME, index),
getColumnStringValue(dataSetResult, COLUMN_PROCESSVERSION, index),
getColumnIntValue(dataSetResult, COLUMN_STATUS, index),
getColumnStringValue(dataSetResult, COLUMN_EXTERNALID, index),
getColumnDateValue(dataSetResult, COLUMN_START, index),
getColumnStringValue(dataSetResult, COLUMN_IDENTITY, index),
getColumnStringValue(dataSetResult, COLUMN_PROCESSINSTANCEDESCRIPTION, index),
getColumnStringValue(dataSetResult, COLUMN_CORRELATIONKEY, index),
getColumnLongValue(dataSetResult, COLUMN_PARENTPROCESSINSTANCEID, index)
);
return pi;
}
@Override
public String getName() {
return "ProcessInstancesWithCustomVariables";
}
@Override
public Class<?> getType() {
return ProcessInstanceWithVarsDesc.class;
}
@Override
public QueryResultMapper<List<ProcessInstanceWithVarsDesc>> forColumnMapping(Map<String, String> columnMapping) {
return new ProcessInstanceWithCustomVarsQueryMapper(columnMapping);
}
}