2 files changed, 29 insertions, 1 deletions
diff --git a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Wire.java b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Wire.java
index 8980365bfa..e1eb26f0c1 100644
--- a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Wire.java
+++ b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Wire.java
@@ -54,6 +54,25 @@ public interface Wire extends Base, Extensible, PolicySubject, Cloneable {
      * @param target the target of the wire
      */
     void setTarget(ComponentService target);
+    
+    /**
+     * A boolean value, with the default of "false". When a wire element has
+     * @replace="false", the wire is added to the set of wires which apply to 
+     * the reference identified by the @source attribute. When a wire element 
+     * has @replace="true", the wire is added to the set of wires which apply to 
+     * the reference identified by the @source attribute - but any wires for that 
+     * reference specified by means of the @target attribute of the reference 
+     * are removed from the set of wires which apply to the reference.
+     * 
+     * @return
+     */
+    boolean isReplace();
+    
+    /**
+     * Set the replace flag for the wire 
+     * @param replace
+     */
+    void setReplace(boolean replace);
 
     /**
      * Returns a clone of the wire.
diff --git a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/WireImpl.java b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/WireImpl.java
index 99ed9b6d10..9f8af0907d 100644
--- a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/WireImpl.java
+++ b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/WireImpl.java
@@ -24,8 +24,8 @@ import java.util.List;
 import org.apache.tuscany.sca.assembly.ComponentReference;
 import org.apache.tuscany.sca.assembly.ComponentService;
 import org.apache.tuscany.sca.assembly.Wire;
-import org.apache.tuscany.sca.policy.Intent;
 import org.apache.tuscany.sca.policy.ExtensionType;
+import org.apache.tuscany.sca.policy.Intent;
 import org.apache.tuscany.sca.policy.PolicySet;
 
 /**
@@ -36,6 +36,7 @@ import org.apache.tuscany.sca.policy.PolicySet;
 public class WireImpl extends ExtensibleImpl implements Wire, Cloneable {
     private ComponentReference source;
     private ComponentService target;
+    private boolean replace;
     private List<Intent> requiredIntents = new ArrayList<Intent>();
     private List<PolicySet> policySets = new ArrayList<PolicySet>();
     private List<PolicySet> applicablePolicySets = new ArrayList<PolicySet>();
@@ -93,4 +94,12 @@ public class WireImpl extends ExtensibleImpl implements Wire, Cloneable {
     public void setRequiredIntents(List<Intent> intents) {
         this.requiredIntents = intents;
     }
+
+    public boolean isReplace() {
+        return replace;
+    }
+
+    public void setReplace(boolean replace) {
+        this.replace = replace;
+    }
 }