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/*
* 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.InputStream;
import java.net.URL;
import java.util.List;
import org.apache.tuscany.das.rdb.Command;
import commonj.sdo.DataObject;
import commonj.sdo.helper.XSDHelper;
public abstract class CommandImpl extends BaseCommandImpl implements Command {
protected Statement statement;
protected Parameters parameters = new Parameters();
protected ResultSetShape resultSetShape;
public CommandImpl(String sqlString) {
statement = new Statement(sqlString);
try {
URL url = getClass().getResource("/xml/sdoJava.xsd");
if (url == null) {
throw new RuntimeException("Could not find resource: xml/sdoJava.xsd");
}
InputStream inputStream = url.openStream();
XSDHelper.INSTANCE.define(inputStream, url.toString());
inputStream.close();
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
public abstract void execute();
public abstract DataObject executeQuery();
public void setParameter(int index, Object value) {
parameters.setParameter(index, value);
}
public void addParameter(ParameterImpl param) {
parameters.add(param);
}
public List getParameters() {
return parameters.parameterList();
}
public Object getParameter(int index) {
return parameters.parameterWithIndex(index).getValue();
}
public void setConnection(ConnectionImpl connection) {
statement.setConnection(connection);
}
protected ConnectionImpl getConnection() {
return statement.getConnection();
}
/*
* The default impl is to throw an exception. This is overridden by InsertCommandImpl
*/
public int getGeneratedKey() {
throw new RuntimeException("This method is only valid for insert commands");
}
public void close() {
statement.close();
}
}
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