From d7c15da034109074d717d3f9f0c3325a54b597dd Mon Sep 17 00:00:00 2001
From: rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68>
Date: Thu, 25 Feb 2010 23:00:57 +0000
Subject: Add the check for local-by-reference, local-by-value and remote
 invocations for binding.sca

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@916483 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/interfacedef/InterfaceContractMapper.java     | 10 ++++++++--
 .../impl/InterfaceContractMapperImpl.java             | 19 +++++++++++++++----
 2 files changed, 23 insertions(+), 6 deletions(-)

(limited to 'sca-java-2.x/trunk/modules/assembly/src')

diff --git a/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/InterfaceContractMapper.java b/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/InterfaceContractMapper.java
index 7a917e5560..5ce1baa54c 100644
--- a/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/InterfaceContractMapper.java
+++ b/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/InterfaceContractMapper.java
@@ -78,15 +78,21 @@ public interface InterfaceContractMapper {
      * Simply speaking, any request from the source operation can be processed by the target operation and
      * the normal response or fault/exception from the target operation can be handled by the source operation.
      * 
-     * Please note this compatibility check is NOT symmetric.  
+     * Please note this compatibility check is NOT symmetric. But the following should be guaranteed:
+     * <ul>
+     * <li>(source, target, SUB) == (target, source, SUPER)
+     * <li>(source, target, MUTUAL) == (source, target, SUB) && (target, source, SUB) == (source, target, SUPER) && (source, target, SUPER)
      * 
      * @param source The source operation
      * @param target The target operation
-     * @param compatibilityType TODO
+     * @param compatibilityType The type of compatibility
      * @return true if the source operation is compatible with the target
      *         operation
      */
     boolean isCompatible(Operation source, Operation target, Compatibility compatibilityType);
+    
+    boolean isCompatibleByReference(Operation source, Operation target, Compatibility compatibilityType);
+    boolean isCompatibleByValue(Operation source, Operation target, Compatibility compatibilityType);
 
     /**
      * An interface A is a Compatible Subset of a second interface B if and only if all of points 1 through 6 
diff --git a/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/impl/InterfaceContractMapperImpl.java b/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/impl/InterfaceContractMapperImpl.java
index dc1c0c0a4e..5c561b2ddf 100644
--- a/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/impl/InterfaceContractMapperImpl.java
+++ b/sca-java-2.x/trunk/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/impl/InterfaceContractMapperImpl.java
@@ -116,6 +116,10 @@ public class InterfaceContractMapperImpl implements InterfaceContractMapper {
     } // end method isEqual
 
     public boolean isCompatible(Operation source, Operation target, Compatibility compatibilityType) {
+        return isCompatible(source, target, compatibilityType, true);
+    }
+
+    public boolean isCompatible(Operation source, Operation target, Compatibility compatibilityType, boolean byValue) {
         if (source == target) {
             return true;
         }
@@ -133,7 +137,7 @@ public class InterfaceContractMapperImpl implements InterfaceContractMapper {
             return false;
         }
 
-        boolean remotable = source.getInterface().isRemotable();
+        boolean passByValue = (source.getInterface().isRemotable()) && byValue;
 
         //        if (source.getInterface().isRemotable()) {
         //            return true;
@@ -164,7 +168,7 @@ public class InterfaceContractMapperImpl implements InterfaceContractMapper {
             return true;
         }
 
-        if (!isCompatible(targetOutputType, sourceOutputType, remotable)) {
+        if (!isCompatible(targetOutputType, sourceOutputType, passByValue)) {
             return false;
         }
 
@@ -174,7 +178,7 @@ public class InterfaceContractMapperImpl implements InterfaceContractMapper {
 
         int size = sourceInputType.size();
         for (int i = 0; i < size; i++) {
-            if (!isCompatible(sourceInputType.get(i), targetInputType.get(i), remotable)) {
+            if (!isCompatible(sourceInputType.get(i), targetInputType.get(i), passByValue)) {
                 return false;
             }
         }
@@ -186,7 +190,7 @@ public class InterfaceContractMapperImpl implements InterfaceContractMapper {
             boolean found = true;
             for (DataType sourceFaultType : source.getFaultTypes()) {
                 found = false;
-                if (isCompatible(targetFaultType, sourceFaultType, remotable)) {
+                if (isCompatible(targetFaultType, sourceFaultType, passByValue)) {
                     // Target fault type can be covered by the source fault type
                     found = true;
                     break;
@@ -198,6 +202,13 @@ public class InterfaceContractMapperImpl implements InterfaceContractMapper {
         }
 
         return true;
+    }    
+    public boolean isCompatibleByReference(Operation source, Operation target, Compatibility compatibilityType) {
+        return isCompatible(source, target, compatibilityType, false);
+    }
+
+    public boolean isCompatibleByValue(Operation source, Operation target, Compatibility compatibilityType) {
+        return isCompatible(source, target, compatibilityType, true);
     }
 
     // FIXME: How to improve the performance for the lookup
-- 
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