diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-02 22:23:23 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-02 22:23:23 +0000 |
commit | a87d1fe45862c35bdf9fc351d071f3c12f962f8e (patch) | |
tree | e710826e2aa84c56db33c676e1496c7343151ddb /das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java | |
parent | 26bcc2330e597ec39160691e938e4f49683f3eb1 (diff) |
moving das branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@832147 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java')
-rw-r--r-- | das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java b/das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java new file mode 100644 index 0000000000..0efabc4adb --- /dev/null +++ b/das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java @@ -0,0 +1,178 @@ +/* + * 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.Iterator; +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 ParametersExtendedImpl parameters = new ParametersExtendedImpl(); + + 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 CommandImpl(org.apache.tuscany.das.rdb.config.Command command) { + this(command.getSQL()); + + if(command.getParameter() != null && command.getParameter().size() > 0) { + Iterator itr = command.getParameter().iterator(); + int index = 1; + while(itr.hasNext()){ + org.apache.tuscany.das.rdb.config.impl.ParameterImpl param = (org.apache.tuscany.das.rdb.config.impl.ParameterImpl)itr.next(); + if(param.getIndex() <= 0){ + param.setIndex(index); + index++; + } + ParameterExtendedImpl paramExt = new ParameterExtendedImpl(param); + addToParameters(paramExt); + } + } + } + + private void addToParameters(ParameterExtendedImpl paramExt) { + this.parameters.getParameter().add(paramExt); + if(paramExt.getDirection().equals(ParameterExtendedImpl.IN)){ + parameters.getInParameters().add(paramExt); + } + else{ + parameters.getOutParameters().add(paramExt); + } + } + + public abstract void execute(); + + public abstract DataObject executeQuery(); + + public void setParameter(int index, Object value) { + ParameterExtendedImpl param = parameters.getParameter(index); + if(param != null){ + param.setValue(value); + return; + } + + param = new ParameterExtendedImpl(); + param.setIndex(index); + param.setValue(value); + param.setDirection(ParameterExtendedImpl.IN); + parameters.getParameter().add(param); + parameters.getInParameters().add(param); + } + + public void addParameter(ParameterExtendedImpl param) { + //eliminate/replace duplicate params, index is filled, so can check it for duplicate + ParameterExtendedImpl paramExt = parameters.getParameter(param.getIndex()); + if(paramExt != null) + paramExt = new ParameterExtendedImpl(param); + + paramExt = parameters.getParameter(param.getIndex(), param.getDirection()); + if(paramExt != null){ + paramExt = new ParameterExtendedImpl(param); + return; + } + + addToParameters(param); + } + + public List getParameters() { + return parameters.getParameter(); + } + + public Object getParameter(int index) { + return parameters.getParameter(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(); + } + + //default direction IN assumed + public void setParameter(String name, Object value) { + ParameterExtendedImpl param = parameters.getParameter(name); + if(param != null){ + param.setValue(value); + return; + } + + param = new ParameterExtendedImpl(); + param.setIndex(parameters.getParameter().size()+1); + param.setName(name); + param.setValue(value); + param.setDirection(ParameterExtendedImpl.IN); + parameters.getParameter().add(param); + parameters.getInParameters().add(param); + } + + //default direction IN assumed + public Object getParameter(String name) { + Iterator itr = this.parameters.getInParameters().iterator(); + while(itr.hasNext()){ + ParameterExtendedImpl param = ((ParameterExtendedImpl)itr.next()); + + if(param.getName() != null && param.getName().equalsIgnoreCase(name)){ + return param.value; + } + } + return null; + } + +} |