Remove the initialize and dispose stages in the lifecycle of a task as they no longer are needed given task execution occurs in a single pass.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270459 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/components/executor/AspectAwareExecutor.java

@@ -29,15 +29,8 @@ public class AspectAwareExecutor
     private static final Resources REZ =
         ResourceManager.getPackageResources( AspectAwareExecutor.class );
 
-    private final static Parameters EMPTY_PARAMETERS;
     private final static Configuration[] EMPTY_ELEMENTS = new Configuration[ 0 ];
 
-    static
-    {
-        EMPTY_PARAMETERS = new Parameters();
-        EMPTY_PARAMETERS.makeReadOnly();
-    }
-
     private AspectManager m_aspectManager;
 
     /**
@@ -95,16 +88,10 @@ public class AspectAwareExecutor
         getAspectManager().preConfigure( taskModel );
         doConfigure( task, taskModel, frame.getContext() );
 
-        debug( "initializing.notice" );
-        doInitialize( task, taskModel );
-
         debug( "executing.notice" );
         getAspectManager().preExecute();
         doExecute( taskModel, task );
-
-        debug( "disposing.notice" );
         getAspectManager().preDestroy();
-        doDispose( task, taskModel );
     }
 
     protected void doExecute( final Configuration taskModel, final Task task )
@@ -152,7 +139,7 @@ public class AspectAwareExecutor
             final ArrayList elementList = (ArrayList)elementMap.remove( names[ i ] );
 
             Parameters parameters = (Parameters)parameterMap.remove( names[ i ] );
-            if( null == parameters ) parameters = EMPTY_PARAMETERS;
+            if( null == parameters ) parameters = Parameters.EMPTY_PARAMETERS;
 
             Configuration[] elements = null;
             if( null == elementList )
@@ -206,7 +193,7 @@ public class AspectAwareExecutor
                 final Configuration[] elements =
                     (Configuration[])elementList.toArray( EMPTY_ELEMENTS );
 
-                unusedSetting( namespace, EMPTY_PARAMETERS, elements );
+                unusedSetting( namespace, Parameters.EMPTY_PARAMETERS, elements );
             }
         }
     }

proposal/myrmidon/src/java/org/apache/myrmidon/components/executor/DefaultExecutor.java

@@ -67,14 +67,8 @@ public class DefaultExecutor
         debug( "configuring.notice" );
         doConfigure( task, taskModel, frame.getContext() );
 
-        debug( "initializing.notice" );
-        doInitialize( task, taskModel );
-
         debug( "executing.notice" );
         task.execute();
-
-        debug( "disposing.notice" );
-        doDispose( task, taskModel );
     }
 
     protected final void debug( final String key )
@@ -167,27 +161,6 @@ public class DefaultExecutor
         }
     }
 
-    protected final void doDispose( final Task task, final Configuration taskModel )
-        throws TaskException
-    {
-        if( task instanceof Disposable )
-        {
-            try
-            {
-                ( (Disposable)task ).dispose();
-            }
-            catch( final Throwable throwable )
-            {
-                final String message =
-                    REZ.getString( "dispose.error",
-                                   taskModel.getName(),
-                                   taskModel.getLocation(),
-                                   throwable.getMessage() );
-                throw new TaskException( message, throwable );
-            }
-        }
-    }
-
     protected final void doLogEnabled( final Task task,
                                        final Configuration taskModel,
                                        final Logger logger )
@@ -210,25 +183,4 @@ public class DefaultExecutor
             }
         }
     }
-
-    protected final void doInitialize( final Task task, final Configuration taskModel )
-        throws TaskException
-    {
-        if( task instanceof Initializable )
-        {
-            try
-            {
-                ( (Initializable)task ).initialize();
-            }
-            catch( final Throwable throwable )
-            {
-                final String message =
-                    REZ.getString( "init.error",
-                                   taskModel.getName(),
-                                   taskModel.getLocation(),
-                                   throwable.getMessage() );
-                throw new TaskException( message, throwable );
-            }
-        }
-    }
 }