[dna-commits] DNA SVN: r322 - in trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands: impl and 1 other directory.

[dna-commits at lists.jboss.org]

Author: rhauch
Date: 2008-07-01 16:14:16 -0400 (Tue, 01 Jul 2008)
New Revision: 322

Modified:
   trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/GraphCommand.java
   trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/impl/BasicGraphCommand.java
Log:
DNA-115 - Create federation service 
http://jira.jboss.com/jira/browse/DNA-115

Added an error field to the GraphCommand, allowing connector implementations to set errors on individual commands (especially useful when multiple commands are submitted via a single "execute" call).

Modified: trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/GraphCommand.java
===================================================================
--- trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/GraphCommand.java	2008-06-30 21:45:21 UTC (rev 321)
+++ trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/GraphCommand.java	2008-07-01 20:14:16 UTC (rev 322)
@@ -23,14 +23,23 @@
 
 /**
  * The base interface for all repository commands
+ * 
  * @author Randall Hauch
  */
 public interface GraphCommand {
 
     /**
      * Return whether this command has been cancelled.
+     * 
      * @return true if this command has been cancelled, or false otherwise.
      */
     boolean isCancelled();
 
+    /**
+     * Set the error for this command.
+     * 
+     * @param error the exception
+     */
+    void setError( Throwable error );
+
 }

Modified: trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/impl/BasicGraphCommand.java
===================================================================
--- trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/impl/BasicGraphCommand.java	2008-06-30 21:45:21 UTC (rev 321)
+++ trunk/dna-spi/src/main/java/org/jboss/dna/spi/graph/commands/impl/BasicGraphCommand.java	2008-07-01 20:14:16 UTC (rev 322)
@@ -40,6 +40,7 @@
 public abstract class BasicGraphCommand implements GraphCommand {
 
     private boolean cancelled = false;
+    private Throwable error;
 
     /**
      * 
@@ -61,6 +62,30 @@
         this.cancelled = cancelled;
     }
 
+    /**
+     * {@inheritDoc}
+     * 
+     * @see org.jboss.dna.spi.graph.commands.GraphCommand#setError(java.lang.Throwable)
+     */
+    public void setError( Throwable t ) {
+        error = t;
+    }
+
+    /**
+     * @return error
+     */
+    public Throwable getError() {
+        return error;
+    }
+
+    public boolean hasError() {
+        return error != null;
+    }
+
+    public boolean hasNoError() {
+        return error == null;
+    }
+
     // ----------------------------------------------------------------------------------------------------------------
     // Utility methods used by concrete command implementations
     // ----------------------------------------------------------------------------------------------------------------
@@ -105,7 +130,9 @@
         return children;
     }
 
-    protected static void setProperty( Map<Name, List<Object>> propertyValues, Name propertyName, Object... values ) {
+    protected static void setProperty( Map<Name, List<Object>> propertyValues,
+                                       Name propertyName,
+                                       Object... values ) {
         if (values == null || values.length == 0) {
             propertyValues.remove(propertyName);
         } else {
@@ -135,7 +162,9 @@
         }
     }
 
-    protected static void setProperty( Map<Name, List<Object>> propertyValues, Name propertyName, Iterable<?> values ) {
+    protected static void setProperty( Map<Name, List<Object>> propertyValues,
+                                       Name propertyName,
+                                       Iterable<?> values ) {
         if (values == null) {
             propertyValues.remove(propertyName);
         } else {
@@ -147,7 +176,9 @@
         }
     }
 
-    protected static void setProperty( Map<Name, List<Object>> propertyValues, Name propertyName, Iterator<?> values ) {
+    protected static void setProperty( Map<Name, List<Object>> propertyValues,
+                                       Name propertyName,
+                                       Iterator<?> values ) {
         if (values == null) {
             propertyValues.remove(propertyName);
         } else {