11:30 a.m.
Author: thomas.diesler(a)jboss.com
Date: 2008-09-24 12:30:08 -0400 (Wed, 24 Sep 2008)
New Revision: 2362
Added:
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/MicrocontainerEngineProvider.java
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/internal/
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/internal/EmbeddedBeansDeployer.java
Log:
Add MC engine provider
Added:
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/MicrocontainerEngineProvider.java
===================================================================
---
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/MicrocontainerEngineProvider.java
(rev 0)
+++
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/MicrocontainerEngineProvider.java 2008-09-24
16:30:08 UTC (rev 2362)
@@ -0,0 +1,88 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2005, JBoss Inc., and individual contributors as indicated
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jbpm.api.client;
+
+//$Id$
+
+import java.net.URL;
+
+import org.jboss.kernel.Kernel;
+import org.jboss.kernel.plugins.util.KernelLocator;
+import org.jboss.kernel.spi.registry.KernelRegistryEntry;
+import org.jboss.kernel.spi.registry.KernelRegistryEntryNotFoundException;
+import org.jbpm.api.client.internal.EmbeddedBeansDeployer;
+
+/**
+ * The ProcessEngineProvider provides a ProcessEngine through a given configuration
method
+ *
+ * @author thomas.diesler(a)jboss.com
+ * @since 18-Jun-2008
+ */
+public class MicrocontainerEngineProvider implements ProcessEngineProvider
+{
+ /** The process engine bean name - jBPMEngine */
+ public static final String BEAN_NAME = "jBPMProcessEngine";
+ /** The default bean config: jbpm-cfg-beans.xml */
+ public static final String JBPM_ENGINE_CONFIG = "jbpm-cfg-beans.xml";
+
+ /**
+ * Get the ProcessEngine from this provider
+ *
+ * @return The configured instance of a process engine
+ */
+ @SuppressWarnings("deprecation")
+ public ProcessEngine getProcessEngine()
+ {
+ KernelRegistryEntry entry = null;
+ Kernel kernel = KernelLocator.getKernel();
+ if (kernel == null)
+ {
+ deployEngineConfiguration();
+ kernel = KernelLocator.getKernel();
+ entry = kernel.getRegistry().getEntry(BEAN_NAME);
+ }
+ else
+ {
+ try
+ {
+ entry = kernel.getRegistry().getEntry(BEAN_NAME);
+ }
+ catch (KernelRegistryEntryNotFoundException ex)
+ {
+ deployEngineConfiguration();
+ entry = kernel.getRegistry().getEntry(BEAN_NAME);
+ }
+ }
+
+ ProcessEngine engine = (ProcessEngine)entry.getTarget();
+ return engine;
+ }
+
+ private void deployEngineConfiguration()
+ {
+ URL url =
Thread.currentThread().getContextClassLoader().getResource(JBPM_ENGINE_CONFIG);
+ if (url == null)
+ throw new IllegalStateException("Cannot find resource: " +
JBPM_ENGINE_CONFIG);
+
+ new EmbeddedBeansDeployer().deploy(url);
+ }
+}
\ No newline at end of file
Property changes on:
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/MicrocontainerEngineProvider.java
___________________________________________________________________
Name: svn:keywords
+ Id Revision
Name: svn:eol-style
+ LF
Added:
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/internal/EmbeddedBeansDeployer.java
===================================================================
---
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/internal/EmbeddedBeansDeployer.java
(rev 0)
+++
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/internal/EmbeddedBeansDeployer.java 2008-09-24
16:30:08 UTC (rev 2362)
@@ -0,0 +1,108 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2005, JBoss Inc., and individual contributors as indicated
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jbpm.api.client.internal;
+
+// $Id$
+
+import java.net.URL;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.jboss.kernel.Kernel;
+import org.jboss.kernel.plugins.bootstrap.basic.BasicBootstrap;
+import org.jboss.kernel.plugins.deployment.xml.BasicXMLDeployer;
+import org.jboss.kernel.plugins.util.KernelLocator;
+
+/**
+ * Boostrap the Microcontainer
+ *
+ * @author thomas.diesler(a)jboss.com
+ * @since 27-Jun-2008
+ */
+public class EmbeddedBeansDeployer extends BasicBootstrap
+{
+ // provide logging
+ private static final Log log = LogFactory.getLog(EmbeddedBeansDeployer.class);
+
+ private Kernel kernel;
+ private BasicXMLDeployer deployer;
+
+ public EmbeddedBeansDeployer()
+ {
+ // Get or bootstrap the kernel
+ kernel = KernelLocator.getKernel();
+ if (kernel == null)
+ {
+ try
+ {
+ super.bootstrap();
+ kernel = super.getKernel();
+ log.debug("bootstrap kernel: " + kernel);
+ }
+ catch (Throwable e)
+ {
+ throw new IllegalStateException("Cannot bootstrap kernel", e);
+ }
+ }
+ deployer = new BasicXMLDeployer(kernel);
+ }
+
+ /**
+ * Deploy MC beans from URL
+ */
+ public void deploy(URL url)
+ {
+ log.debug("deploy: " + url);
+
+ // Deploy the beans
+ try
+ {
+ deployer.deploy(url);
+ deployer.validate();
+
+ // The KernelLocator is expected to get deployed as a bean
+ if (KernelLocator.getKernel() == null)
+ throw new IllegalStateException("KernelLocator not deployed as MC
bean");
+
+ }
+ catch (Throwable e)
+ {
+ throw new IllegalStateException("Cannot deploy beans from: " + url, e);
+ }
+ }
+
+ /**
+ * Undeploy MC beans from URL
+ */
+ public void undeploy(URL url)
+ {
+ log.debug("undeploy: " + url);
+ try
+ {
+ deployer.undeploy(url);
+ }
+ catch (Throwable e)
+ {
+ throw new IllegalStateException("Cannot undeploy beans from: " + url,
e);
+ }
+ }
+}
\ No newline at end of file
Property changes on:
jbpm4/trunk/modules/api/src/main/java/org/jbpm/api/client/internal/EmbeddedBeansDeployer.java
___________________________________________________________________
Name: svn:keywords
+ Id Revision
Name: svn:eol-style
+ LF