/*
* 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.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.dashbuilder.dataset.DataColumn;
import org.dashbuilder.dataset.DataSet;
public abstract class AbstractQueryMapper<T> {
protected abstract T buildInstance(DataSet dataSetResult, int index);
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;
}
protected Double getColumnDoubleValue(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).doubleValue() : null;
}
protected Map<String, Object> readVariables(Map<String, String> variablesMap, DataSet currentDataSet, int i) {
Map<String, Object> variables = new HashMap<String, Object>();
for (Entry<String, String> entry : variablesMap.entrySet()) {
// now add variable
String varName = entry.getKey();
Object varValue;
if (entry.getValue().equalsIgnoreCase(Long.class.getSimpleName())) {
varValue = getColumnLongValue(currentDataSet, varName, i);
} else if (entry.getValue().equalsIgnoreCase(Integer.class.getSimpleName())) {
varValue = getColumnIntValue(currentDataSet, varName, i);
} else if (entry.getValue().equalsIgnoreCase(Date.class.getSimpleName())) {
varValue = getColumnDateValue(currentDataSet, varName, i);
} else if (entry.getValue().equalsIgnoreCase(Double.class.getSimpleName())) {
varValue = getColumnDoubleValue(currentDataSet, varName, i);
} else {
varValue = getColumnStringValue(currentDataSet, varName, i);
}
variables.put(varName, varValue);
}
return variables;
}
}