diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java b/sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java new file mode 100644 index 0000000000..c5221dda5c --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java @@ -0,0 +1,79 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * 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.apache.tuscany.das.rdb.impl; + +import java.util.Iterator; + +import org.apache.tuscany.das.rdb.Parameter; +import org.apache.tuscany.das.rdb.util.DebugUtil; + +import commonj.sdo.DataObject; + +/** + */ +public abstract class ChangeOperation { + + private final WriteCommandImpl writeCommand; + + protected DatabaseObject dObject; + + private static final boolean debug = false; + + protected String propagatedID = null; + + private boolean isInsert = false; + + public ChangeOperation(DeleteCommandImpl command) { + writeCommand = command; + } + + public ChangeOperation(InsertCommandImpl command, DataObject changedObject) { + writeCommand = command; + dObject = new DatabaseObject(command.getMappingModel(), changedObject); + this.isInsert = true; + } + + public ChangeOperation(UpdateCommandImpl command, DataObject changedObject) { + writeCommand = command; + dObject = new DatabaseObject(command.getMappingModel(), changedObject); + } + + public void execute() { + DebugUtil.debugln(getClass(), debug, "Executing change operation"); + + Iterator i = writeCommand.getParameters().iterator(); + while (i.hasNext()) { + Parameter parm = (Parameter) i.next(); + DebugUtil.debugln(getClass(), debug, "setting " + parm.getName() + " to " + dObject.get(parm.getName())); + parm.setValue(dObject.get(parm.getName())); + } + + writeCommand.execute(); + + if ( isInsert && ( propagatedID != null )) { + DebugUtil.debugln(getClass(), debug, "Propagating key " + propagatedID); + int id = writeCommand.getGeneratedKey(); + dObject.setPropagatedID(propagatedID, id); + } + } + + public String getTableName() { + return dObject.getTableName(); + } + + +} |