/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.das.rdb.impl;
import java.io.IOException;
import java.io.OutputStream;
import java.sql.SQLException;
import java.util.List;
import java.util.TreeMap;
import org.apache.tuscany.das.rdb.config.Config;
import org.apache.tuscany.das.rdb.config.ResultDescriptor;
import org.apache.tuscany.das.rdb.config.impl.ParameterImpl;
import org.apache.tuscany.das.rdb.config.Parameters;
import commonj.sdo.DataObject;
public abstract class WriteCommandImpl extends CommandImpl {
public WriteCommandImpl(org.apache.tuscany.das.rdb.config.Command command) {
super(command);
}
public WriteCommandImpl(String sqlString) {
super(sqlString);
}
public void setResultDescriptors(List resultDescriptorList){
//ignore , applicable for ReadCommand only
}
public List getResultDescriptors(){
//ignore, applicable for ReadCommand only
return null;
}
public void addResultDescriptor(ResultDescriptor resultDescriptor){
//ignore
}
public ResultDescriptor removeResultDescriptor(int index){
return null;
}
public ResultDescriptor removeResultDescriptor(ResultDescriptor resultDescriptor){
return null;
}
public ResultDescriptor getResultDescriptor(int index){
return null;
}
public void printResultDescriptors(OutputStream ostrm) throws IOException{
//ignore
}
public void execute() {
boolean success = false;
try {
basicExecute();
success = true;
} finally {
if (success) {
statement.getConnection().cleanUp();
} else {
statement.getConnection().errorCleanUp();
}
}
}
public void basicExecute() {
try {
statement.executeUpdate(parameters);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
public DataObject executeQuery() {
throw new UnsupportedOperationException();
}
public Config getMappingModel() {
return configWrapper.getConfig();
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("\nSQL: " + statement.queryString);
return buffer.toString();
}
public int getGeneratedKey() {
throw new RuntimeException("No generated key is available");
}
//it is acceptable if params having index set by caller are listed in any order in Parameters
//but, if index is not set by caller, the order of parameters in Parameters should be in sync
//with the Command string parameters
protected void addParameters(Parameters parameters) {
List params = parameters.getParameter();
if(params == null)
return;
boolean paramsIndexed = true;
TreeMap sortedParams = null;
for(int i=0; i<params.size(); i++){
if(((ParameterImpl)params.get(i)).getIndex() <= 0){
paramsIndexed=false; //any index not set, ignore all externally set indexes and do auto indexing
break;
}
}
//auto-indexing
if(!paramsIndexed) {
for(int i=0; i<params.size(); i++){
ParameterExtendedImpl param = new ParameterExtendedImpl((ParameterImpl)params.get(i));
param.setIndex(i+1);
this.addParameter(param);
}
return;
}
else {//dont allow duplicates and check indexing with +1 increment from 1st to last param
sortedParams = new TreeMap();
for(int i=0; i<params.size(); i++){
ParameterImpl existingParam = (ParameterImpl)sortedParams.put( new Integer(((ParameterImpl)params.get(i)).getIndex()), ((ParameterImpl)params.get(i)));
if(existingParam != null) {
throw new RuntimeException("Parameters with duplicate indexes!");
}
}
if( ((Integer)sortedParams.firstKey()).intValue() + sortedParams.size() -1 !=
((Integer)sortedParams.lastKey()).intValue()) {
throw new RuntimeException("Parameters with improper indexes!");
}
}
for(int i=0; i<params.size(); i++) {
ParameterExtendedImpl param = new ParameterExtendedImpl((ParameterImpl)params.get(i));
param.setIndex(((ParameterImpl)params.get(i)).getIndex());
this.addParameter(param);
}
}
}