From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
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
---
 .../apache/tuscany/sca/interfacedef/DataType.java  | 120 +++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 sca-java-2.x/branches/2.0/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/DataType.java

(limited to 'sca-java-2.x/branches/2.0/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/DataType.java')

diff --git a/sca-java-2.x/branches/2.0/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/DataType.java b/sca-java-2.x/branches/2.0/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/DataType.java
new file mode 100644
index 0000000000..386275b41b
--- /dev/null
+++ b/sca-java-2.x/branches/2.0/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/DataType.java
@@ -0,0 +1,120 @@
+/*
+ * 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.interfacedef;
+
+import java.lang.reflect.Type;
+
+/**
+ * Representation of the type of data associated with an operation. Data is
+ * represented in two forms: the physical form used by the runtime and a logical
+ * form used by the assembly. The physical form is a Java Type because the
+ * runtime is written in Java. This may be the same form used by the application
+ * but it may not; for example, an application that is performing stream
+ * processing may want a physical form such as an
+ * {@link java.io.InputStream InputStream} to semantically operate on application
+ * data such as a purchase order. The logical description is that used by the
+ * assembly model and is an identifier into some well-known type space; examples
+ * may be a Java type represented by its Class or an XML type represented by its
+ * QName. Every data type may also contain metadata describing the expected
+ * data; for example, it could specify a preferred data binding technology or
+ * the size of a typical instance.
+ * 
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public interface DataType<L> extends Cloneable {
+    /**
+     * Set the java type for the data
+     * @param cls
+     */
+    void setPhysical(Class<?> cls);
+
+    /**
+     * Returns the physical type used by the runtime.
+     * 
+     * @return the physical type used by the runtime
+     */
+    Class<?> getPhysical();
+
+    /**
+     * Get the java generic type
+     * @return The java generic type
+     */
+    Type getGenericType();
+
+    /**
+     * Set the java generic type
+     * @param genericType
+     */
+    void setGenericType(Type genericType);
+
+    /**
+     * Returns the logical identifier used by the assembly. The type of this
+     * value identifies the logical type system in use. Known values are:
+     * <ul>
+     * <li>a Class identifies a Java type by name and
+     * ClassLoader; this includes Java Classes as they are specializations of
+     * Type</li>
+     * <li>a XMLType identifies an XML type by local name and
+     * namespace</li>
+     * </ul>
+     * 
+     * @return the logical type name
+     */
+    L getLogical();
+
+    /**
+     * Get the databinding for the given data type
+     * @return the databinding
+     */
+    String getDataBinding();
+
+    /**
+     * Set the databinding for the given data type
+     * @param dataBinding the dataBinding to set
+     */
+    void setDataBinding(String dataBinding);
+
+    /**
+     * Clone a data type
+     * @return The cloned data type
+     * @throws CloneNotSupportedException
+     */
+    Object clone() throws CloneNotSupportedException;
+
+    /**
+     * Set the logical type of the data type
+     * @param logical the logical to set
+     */
+    void setLogical(L logical);
+
+    /**
+     * Get the databinding-specific metadata
+     * @param type The java type of the metadata
+     * @return the databinding-specific metadata
+     */
+    <T> T getMetaData(Class<T> type);
+    /**
+     * Set the databinding-specific metadata
+     * @param type The java type of the metadata
+     * @param metaData the databinding-specific metadata, such as SDO's commonj.sdo.Type or 
+     * JAXB's javax.xml.bind.JAXBContext
+     */
+    <T> void setMetaData(Class<T> type, T metaData);
+}
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