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From akaras...@apache.org
Subject svn commit: rev 6447 - in incubator/directory/eve/trunk/eve/frontend/event: impl merlin-impl merlin-impl/conf merlin-impl/src/java/org/apache/eve/event pojo-impl pojo-impl/src pojo-impl/src/docbook pojo-impl/src/images pojo-impl/src/java pojo-impl/src/java/org pojo-impl/src/java/org/apache pojo-impl/src/java/org/apache/eve pojo-impl/src/java/org/apache/eve/event
Date Tue, 03 Feb 2004 06:54:12 GMT
Author: akarasulu
Date: Mon Feb  2 22:54:11 2004
New Revision: 6447

Added:
   incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/   (props changed)
      - copied from rev 6407, incubator/directory/eve/trunk/eve/frontend/event/impl/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/project.properties
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/project.xml
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/docbook/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/images/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/apache/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/apache/eve/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/apache/eve/event/
   incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/apache/eve/event/DefaultEventRouter.java
Removed:
   incubator/directory/eve/trunk/eve/frontend/event/impl/
   incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/src/java/org/apache/eve/event/DefaultEventRouter.java
Modified:
   incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/conf/block.xml
   incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/project.xml
Log:
making things conform to proposed layout

Modified: incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/conf/block.xml
==============================================================================
--- incubator/directory/eve/trunk/eve/frontend/event/impl/conf/block.xml	(original)
+++ incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/conf/block.xml	Mon Feb  2
22:54:11 2004
@@ -7,6 +7,7 @@
       <repository>
         <resource id="avalon-framework:avalon-framework-api" version="4.1.5"/>
         <resource id="directory:eve-frontend-event-spi" version="SNAPSHOT"/>
+        <resource id="directory:eve-frontend-event-pojo-impl" version="SNAPSHOT"/>
       </repository>
     </classpath>
   </classloader>

Modified: incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/project.xml
==============================================================================
--- incubator/directory/eve/trunk/eve/frontend/event/impl/project.xml	(original)
+++ incubator/directory/eve/trunk/eve/frontend/event/merlin-impl/project.xml	Mon Feb  2 22:54:11
2004
@@ -2,7 +2,7 @@
 <project>
     <extend>${basedir}/../../../project.xml</extend>
     <groupId>directory</groupId>
-    <id>eve-frontend-event-impl</id>
+    <id>eve-frontend-event-merlin-impl</id>
   
     <name>Eve Frontend Event Implementation</name>
     <package>org.apache.eve.event</package>
@@ -35,6 +35,13 @@
         <dependency>
             <groupId>directory</groupId>
             <artifactId>eve-frontend-event-spi</artifactId>
+            <version>SNAPSHOT</version>
+            <url>http://directory.apache.org</url>
+        </dependency>
+
+        <dependency>
+            <groupId>directory</groupId>
+            <artifactId>eve-frontend-event-pojo-impl</artifactId>
             <version>SNAPSHOT</version>
             <url>http://directory.apache.org</url>
         </dependency>

Added: incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/project.properties
==============================================================================
--- (empty file)
+++ incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/project.properties	Mon Feb
 2 22:54:11 2004
@@ -0,0 +1,3 @@
+maven.xdoc.date=left
+maven.xdoc.version=${pom.currentVersion}
+merlin.debug=true

Added: incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/project.xml
==============================================================================
--- (empty file)
+++ incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/project.xml	Mon Feb  2 22:54:11
2004
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<project>
+    <extend>${basedir}/../../../project.xml</extend>
+    <groupId>directory</groupId>
+    <id>eve-frontend-event-pojo-impl</id>
+  
+    <name>Eve Frontend Event POJO Implementation</name>
+    <package>org.apache.eve.event</package>
+    <currentVersion>SNAPSHOT</currentVersion>
+    <inceptionYear>2003</inceptionYear>
+      
+    <shortDescription>
+    Event router implementation used by Eve's frontend
+    </shortDescription>
+
+    <description>
+    Event notification service implementation.
+    </description>
+      
+    <dependencies>
+
+        <dependency>
+            <groupId>directory</groupId>
+            <artifactId>eve-frontend-common-api</artifactId>
+            <version>SNAPSHOT</version>
+            <url>http://directory.apache.org</url>
+        </dependency>
+
+        <dependency>
+            <groupId>directory</groupId>
+            <artifactId>eve-frontend-event-spi</artifactId>
+            <version>SNAPSHOT</version>
+            <url>http://directory.apache.org</url>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>3.8.1</version>
+            <url>http://junit.org</url>
+        </dependency>
+    </dependencies>
+</project>
+

Added: incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/apache/eve/event/DefaultEventRouter.java
==============================================================================
--- (empty file)
+++ incubator/directory/eve/trunk/eve/frontend/event/pojo-impl/src/java/org/apache/eve/event/DefaultEventRouter.java
Mon Feb  2 22:54:11 2004
@@ -0,0 +1,227 @@
+/*
+
+ ============================================================================
+                   The Apache Software License, Version 1.1
+ ============================================================================
+
+ Copyright (C) 1999-2002 The Apache Software Foundation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of  source code must  retain the above copyright  notice,
+    this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+
+ 3. The end-user documentation included with the redistribution, if any, must
+    include  the following  acknowledgment:  "This product includes  software
+    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
+    Alternately, this  acknowledgment may  appear in the software itself,  if
+    and wherever such third-party acknowledgments normally appear.
+
+ 4. The names "Eve Directory Server", "Apache Directory Project", "Apache Eve" 
+    and "Apache Software Foundation"  must not be used to endorse or promote
+    products derived  from this  software without  prior written
+    permission. For written permission, please contact apache@apache.org.
+
+ 5. Products  derived from this software may not  be called "Apache", nor may
+    "Apache" appear  in their name,  without prior written permission  of the
+    Apache Software Foundation.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
+ APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
+ ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
+ (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This software  consists of voluntary contributions made  by many individuals
+ on  behalf of the Apache Software  Foundation. For more  information on the
+ Apache Software Foundation, please see <http://www.apache.org/>.
+
+*/
+package org.apache.eve.event ;
+
+
+import java.util.Set ;
+import java.util.HashSet ;
+import java.util.Iterator ;
+import java.util.EventObject ;
+
+
+/**
+ * An synchronous implementation of the event router / notification pattern.
+ *
+ * @author <a href="mailto:akarasulu@apache.org">Alex Karasulu</a>
+ * @author $Author: akarasulu $
+ * @version $Rev: 1452 $
+ */
+public class DefaultEventRouter implements EventRouter
+{
+    /** the set of subscriptions made with this router */
+    private Set m_subscriptions = new HashSet() ;
+    /** the monitor - initially set to the null monitor */
+    private EventRouterMonitor m_monitor = new EventRouterMonitorAdapter() ;
+    
+    
+    /**
+     * @see org.apache.eve.event.EventRouter#subscribe(java.lang.Class, 
+     * org.apache.eve.event.Filter, org.apache.eve.event.Subscriber)
+     */
+    public void subscribe( Class a_type, Filter a_filter,
+                           Subscriber a_subscriber )
+    {
+        if ( ! EventObject.class.isAssignableFrom( a_type ) ) 
+        {
+            throw new IllegalArgumentException( "Invalid event class: " 
+                    + a_type.getName() ) ;
+        }
+
+        Subscription l_subscription = 
+            new Subscription( a_type, a_filter, a_subscriber ) ;
+
+        if ( ! m_subscriptions.contains( l_subscription ) )
+        {
+            synchronized ( m_subscriptions )
+            {
+                m_subscriptions.add( l_subscription ) ;
+            }
+            
+            m_monitor.addedSubscription( l_subscription ) ;
+        }
+    }
+
+    
+    /**
+     * @see org.apache.eve.event.EventRouter#unsubscribe(
+     * org.apache.eve.event.Subscriber)
+     */
+    public void unsubscribe( Subscriber a_subscriber )
+    {
+        Iterator l_list = m_subscriptions.iterator() ;
+        
+        synchronized ( m_subscriptions )
+        {
+            while ( l_list.hasNext() )
+            {
+                Subscription l_subscription = ( Subscription ) l_list.next() ;
+                if ( a_subscriber == l_subscription.getSubscriber() )
+                {
+                    l_list.remove() ;
+                    m_monitor.removedSubscription( l_subscription ) ;
+                }
+            }
+        }
+    }
+
+
+    /**
+     * (non-Javadoc)
+     * @see org.apache.eve.event.EventRouter#unsubscribe(java.lang.Class, 
+     * org.apache.eve.event.Subscriber)
+     */
+    public void unsubscribe( Class a_type, Subscriber a_subscriber )
+    {
+        Iterator l_list = m_subscriptions.iterator() ;
+        
+        synchronized ( m_subscriptions )
+        {
+            while ( l_list.hasNext() )
+            {
+                Subscription l_subscription = ( Subscription ) l_list.next() ;
+                if ( a_subscriber == l_subscription.getSubscriber()
+                  && a_type.equals( l_subscription.getType() ) )
+                {
+                    l_list.remove() ;
+                    m_monitor.removedSubscription( l_subscription ) ;
+                }
+            }
+        }
+    }
+
+
+    /**
+     * (non-Javadoc)
+     * @see org.apache.eve.event.EventRouter#unsubscribe(java.lang.Class, 
+     * org.apache.eve.event.Subscriber)
+     */
+    public void unsubscribe( Class a_type, Filter a_filter, 
+                             Subscriber a_subscriber )
+    {
+        if ( ! EventObject.class.isAssignableFrom( a_type ) ) 
+        {
+            throw new IllegalArgumentException( "Invalid event class: " 
+                    + a_type.getName() ) ;
+        }
+        
+        final Subscription l_subscription = new Subscription( a_type, a_filter, 
+                a_subscriber ) ;
+        
+        synchronized ( m_subscriptions )
+        {
+            m_subscriptions.remove( l_subscription ) ;
+        }
+    }
+
+
+    /**
+     * (non-Javadoc)
+     * @see org.apache.eve.event.EventRouter#publish(org.apache.eve.event.Event)
+     */
+    public void publish( EventObject a_event ) 
+    {
+        final Subscription [] l_subscriptions ;
+        
+        synchronized ( m_subscriptions )
+        {
+            l_subscriptions = ( Subscription [] ) m_subscriptions
+                .toArray( new Subscription [ m_subscriptions.size() ] ) ;
+        }
+
+        for ( int ii = 0; ii < l_subscriptions.length; ii++ )
+        {
+            boolean isAssignable = l_subscriptions[ii].getType()
+                .isAssignableFrom( a_event.getClass() ) ;
+            
+            if ( ! isAssignable )
+            {
+                continue ;
+            }
+            
+            if ( l_subscriptions[ii].getFilter() != null && 
+                 l_subscriptions[ii].getFilter().apply( a_event ) )  
+            {
+                l_subscriptions[ii].getSubscriber().inform( a_event ) ;
+            }
+        }
+    }
+    
+    
+    /**
+     * Sets the event router's monitor.
+     * 
+     * @param a_monitor the monitor
+     */
+    void setMonitor( EventRouterMonitor a_monitor )
+    {
+        m_monitor = a_monitor ;
+    }
+    
+    
+    /**
+     * Gets the event router's monitor.
+     * 
+     * @return the monitor
+     */
+    EventRouterMonitor getMonitor()
+    {
+        return m_monitor ;
+    }
+}

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