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From jstrac...@apache.org
Subject svn commit: r525204 - in /activemq/camel/trunk: camel-core/src/main/java/org/apache/camel/impl/PollingConsumer.java camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java
Date Tue, 03 Apr 2007 16:40:15 GMT
Author: jstrachan
Date: Tue Apr  3 09:40:13 2007
New Revision: 525204

URL: http://svn.apache.org/viewvc?view=rev&rev=525204
Log:
minor refactor of the exception handling being in the base class

Modified:
    activemq/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/PollingConsumer.java
    activemq/camel/trunk/camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java

Modified: activemq/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/PollingConsumer.java
URL: http://svn.apache.org/viewvc/activemq/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/PollingConsumer.java?view=diff&rev=525204&r1=525203&r2=525204
==============================================================================
--- activemq/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/PollingConsumer.java
(original)
+++ activemq/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/PollingConsumer.java
Tue Apr  3 09:40:13 2007
@@ -20,6 +20,8 @@
 import org.apache.camel.Endpoint;
 import org.apache.camel.Exchange;
 import org.apache.camel.Processor;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
@@ -31,6 +33,8 @@
  * @version $Revision$
  */
 public abstract class PollingConsumer<E extends Exchange> extends DefaultConsumer<E>
implements Runnable {
+    private static final transient Log log = LogFactory.getLog(PollingConsumer.class);
+
     private long initialDelay = 1000;
     private long delay = 500;
     private TimeUnit timeUnit = TimeUnit.MILLISECONDS;
@@ -41,6 +45,19 @@
         super(endpoint, processor);
     }
 
+    /**
+     * Invoked whenever we should be polled
+     */
+    public void run() {
+        log.debug("Starting to poll");
+        try {
+            poll();
+        }
+        catch (Exception e) {
+            log.warn("Caught: " + e, e);
+        }
+    }
+
     // Properties
     //-------------------------------------------------------------------------
     public long getInitialDelay() {
@@ -77,6 +94,13 @@
 
     // Implementation methods
     //-------------------------------------------------------------------------
+
+    /**
+     * The polling method which is invoked periodically to poll this consumer
+     * 
+     * @throws Exception
+     */
+    protected abstract void poll() throws Exception;
 
     @Override
     protected void doStart() throws Exception {

Modified: activemq/camel/trunk/camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java
URL: http://svn.apache.org/viewvc/activemq/camel/trunk/camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java?view=diff&rev=525204&r1=525203&r2=525204
==============================================================================
--- activemq/camel/trunk/camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java
(original)
+++ activemq/camel/trunk/camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java
Tue Apr  3 09:40:13 2007
@@ -47,36 +47,27 @@
         this.template = endpoint.createTransactionStrategy();
     }
 
-    /**
-     * Invoked whenever we should be polled
-     */
-    public synchronized void run() {
-        log.debug("Starting to poll for new database entities to process");
-        try {
-            template.execute(new JpaCallback() {
-                public Object doInJpa(EntityManager entityManager) throws PersistenceException
{
-                    Query query = getQueryFactory().createQuery(entityManager);
-                    configureParameters(query);
-                    List results = query.getResultList();
-                    for (Object result : results) {
-                        if (log.isDebugEnabled()) {
-                            log.debug("Processing new entity: " + result);
-                        }
+    protected void poll() throws Exception {
+        template.execute(new JpaCallback() {
+            public Object doInJpa(EntityManager entityManager) throws PersistenceException
{
+                Query query = getQueryFactory().createQuery(entityManager);
+                configureParameters(query);
+                List results = query.getResultList();
+                for (Object result : results) {
+                    if (log.isDebugEnabled()) {
+                        log.debug("Processing new entity: " + result);
+                    }
 
-                        if (lockEntity(result, entityManager)) {
-                            // lets turn the result into an exchange and fire it into the
processor
-                            Exchange exchange = createExchange(result);
-                            getProcessor().onExchange(exchange);
-                            getDeleteHandler().deleteObject(entityManager, result);
-                        }
+                    if (lockEntity(result, entityManager)) {
+                        // lets turn the result into an exchange and fire it into the processor
+                        Exchange exchange = createExchange(result);
+                        getProcessor().onExchange(exchange);
+                        getDeleteHandler().deleteObject(entityManager, result);
                     }
-                    return null;
                 }
-            });
-        }
-        catch (RuntimeException e) {
-            log.warn("Caught: " + e, e);
-        }
+                return null;
+            }
+        });
     }
 
     // Properties



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