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Diffstat (limited to 'das-java/tags/1.0-incubating-beta2-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/DAS.java')
-rw-r--r-- | das-java/tags/1.0-incubating-beta2-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/DAS.java | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/das-java/tags/1.0-incubating-beta2-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/DAS.java b/das-java/tags/1.0-incubating-beta2-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/DAS.java new file mode 100644 index 0000000000..43f1e30d1a --- /dev/null +++ b/das-java/tags/1.0-incubating-beta2-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/DAS.java @@ -0,0 +1,67 @@ +/* + * 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 org.apache.tuscany.das.rdb.impl.DASFactoryImpl; + +import commonj.sdo.DataObject; + +/** + * A CommandGroup represents a set of {@link Command} and single {@link ApplyChangesCommand} + * that are created from a common config file. + * + */ +public interface DAS { + + DASFactory FACTORY = new DASFactoryImpl(); + + /** + * The change history is scanned and modifications to the graph of data objects are flushed to the database. + * + * @param root + * the topmost containing data object + */ + void applyChanges(DataObject root); + + /** + * Gets the named command from this factory's inventory + * + * @param name + * The identifying name of the requested command + * @return Returns the identified command + */ + Command getCommand(String name); + + /** + * If the CommandGroup is managing connections then this method must be called + * when the client is done with the instance. + * + */ + void releaseResources(); + + /** + * Creates a Command based on the provided SQL statement + * + * @param sql + * The SQL statement + * @return returns a Command instance + */ + Command createCommand(String sql); + +} |