/*
* 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.data;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.dashbuilder.dataset.DataColumn;
import org.dashbuilder.dataset.DataSet;
import org.jbpm.services.api.model.ProcessInstanceDesc;
import org.jbpm.services.api.query.QueryResultMapper;
public class CustomProcessInstanceQueryMapper implements QueryResultMapper<List<ProcessInstanceDesc>> {
public CustomProcessInstanceQueryMapper() {
}
public static CustomProcessInstanceQueryMapper get() {
return new CustomProcessInstanceQueryMapper();
}
@Override
public List<ProcessInstanceDesc> map(Object result) {
if (result instanceof DataSet) {
DataSet dataSetResult = (DataSet) result;
List<ProcessInstanceDesc> mappedResult = new ArrayList<ProcessInstanceDesc>();
if (dataSetResult != null) {
for (int i = 0; i < dataSetResult.getRowCount(); i++) {
ProcessInstanceDesc pi = buildInstance(dataSetResult, i);
mappedResult.add(pi);
}
}
return mappedResult;
}
throw new IllegalArgumentException("Unsupported result for mapping " + result);
}
protected ProcessInstanceDesc buildInstance(DataSet dataSetResult, int index) {
ProcessInstanceDesc pi = new org.jbpm.kie.services.impl.model.ProcessInstanceDesc(
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 "CustomMapper";
}
@Override
public Class<?> getType() {
return ProcessInstanceDesc.class;
}
protected Long getColumnLongValue(DataSet currentDataSet, String columnId, int index){
DataColumn column = currentDataSet.getColumnById(columnId);
if (column == null) {
return null;
}
Object value = column.getValues().get(index);
return value != null ? ((Number) value).longValue() : null;
}
protected String getColumnStringValue(DataSet currentDataSet, String columnId, int index){
DataColumn column = currentDataSet.getColumnById(columnId);
if (column == null) {
return null;
}
Object value = column.getValues().get(index);
return value != null ? value.toString() : null;
}
protected Date getColumnDateValue(DataSet currentDataSet,String columnId, int index){
DataColumn column = currentDataSet.getColumnById(columnId);
if (column == null) {
return null;
}
try{
return (Date) column.getValues().get( index );
} catch ( Exception e ){
}
return null;
}
protected int getColumnIntValue(DataSet currentDataSet,String columnId, int index){
DataColumn column = currentDataSet.getColumnById( columnId );
if (column == null) {
return -1;
}
Object value = column.getValues().get(index);
return value != null ? ((Number) value).intValue() : -1;
}
@Override
public QueryResultMapper<List<ProcessInstanceDesc>> forColumnMapping(Map<String, String> columnMapping) {
return new CustomProcessInstanceQueryMapper();
}
}