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Diffstat (limited to 'das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/Command.java')
-rw-r--r-- | das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/Command.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/Command.java b/das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/Command.java new file mode 100644 index 0000000000..3c80c34b68 --- /dev/null +++ b/das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/Command.java @@ -0,0 +1,68 @@ +/* + * 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; + +import commonj.sdo.DataObject; + +/** + * A Command is used to execute a read or write to a database + */ +public interface Command { + + /** + * Performs the function defined by the command + */ + void execute(); + + /** + * Performs the function defined by the command and return the results in the root DataObject + * + * @return the root DataObject + */ + DataObject executeQuery(); + + /** + * Sets the value of the associated Parameter + * + * @param index + * the index of the Parameter + * @param value + * the value for the Parameter + */ + void setParameter(int index, Object value); + + /** + * Returns the value of the associated Parameter + * + * @param index + * the index of the Parameter + * @return the value of the Parameter + */ + Object getParameter(int index); + + /** + * Returns the value of the database-generated key. This method is specific + * to an "insert" command and will be valid only after the command has + * been executed. + * + * @return the generated key + */ + int getGeneratedKey(); + +} |