From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../tuscany/sca/databinding/Transformer.java | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/Transformer.java (limited to 'sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/Transformer.java') diff --git a/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/Transformer.java b/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/Transformer.java new file mode 100644 index 0000000000..2aa0ad7c15 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/Transformer.java @@ -0,0 +1,51 @@ +/* + * 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.sca.databinding; + +/** + * A transformer provides the data transformation from source type to target type. The cost of the transformation is + * modelled as weight. + * + * @version $Rev$ $Date$ + */ +public interface Transformer { + /** + * Get the source type that this transformer transforms data from. The type is used as the key when the transformer + * is registered with TransformerRegistry. + * + * @return A key identifying the source type + */ + String getSourceDataBinding(); + + /** + * Get the target type that this transformer transforms data into. The type is used as the key when the transformer + * is registered with TransformerRegistry. + * + * @return A key identifying the target type + */ + String getTargetDataBinding(); + + /** + * Get the cost of the transformation. The weight can be used to choose the most efficient path if there are more + * than one available from the source to the target. + * + * @return An integer representing the cost of the transformation + */ + int getWeight(); +} -- cgit v1.2.3