From d407d528d1f1e8916799f75d4548fa77286f569e Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew.branson@cern.ch>
Date: Mon, 6 Oct 2014 16:47:35 +0200
Subject: More documentation

---
 .../com/c2kernel/entity/agent/ActiveEntity.java    |  8 ++---
 .../c2kernel/entity/agent/AgentImplementation.java | 39 ++++++++++++++++++++--
 2 files changed, 40 insertions(+), 7 deletions(-)

(limited to 'src/main/java/com/c2kernel/entity/agent')

diff --git a/src/main/java/com/c2kernel/entity/agent/ActiveEntity.java b/src/main/java/com/c2kernel/entity/agent/ActiveEntity.java
index feb8880..e497c07 100644
--- a/src/main/java/com/c2kernel/entity/agent/ActiveEntity.java
+++ b/src/main/java/com/c2kernel/entity/agent/ActiveEntity.java
@@ -34,10 +34,10 @@ import com.c2kernel.lookup.AgentPath;
 import com.c2kernel.utils.Logger;
 
 /**************************************************************************
- * ActiveEntity
- *
- * @author $Author: abranson $ $Date: 2005/04/26 06:48:12 $
- * @version $Revision: 1.39 $
+ * ActiveEntity - the CORBA object representing the Agent. All functionality
+ * is delegated to the AgentImplementation, which extends ItemImplementation,
+ * as this cannot extend its equivalent TraceableEntity
+ * 
  **************************************************************************/
 public class ActiveEntity extends AgentPOA
 {
diff --git a/src/main/java/com/c2kernel/entity/agent/AgentImplementation.java b/src/main/java/com/c2kernel/entity/agent/AgentImplementation.java
index c9eee73..e59c731 100644
--- a/src/main/java/com/c2kernel/entity/agent/AgentImplementation.java
+++ b/src/main/java/com/c2kernel/entity/agent/AgentImplementation.java
@@ -34,6 +34,16 @@ import com.c2kernel.lookup.RolePath;
 import com.c2kernel.process.Gateway;
 import com.c2kernel.utils.Logger;
 
+/**
+ * Implementation of Agent, though called from the CORBA implementation ActiveEntity.
+ * 
+ * <p>The Agent is an extension of the Item that can execute Jobs, and in doing so
+ * change the state of Item workflows, submit data to them in the form of Outcomes
+ * and run any scripts associated with those activities. In this server object,
+ * none of this specific Agent work is performed - it all must be done using the
+ * client API. The server implementation only manages the Agent's data: its roles
+ * and persistent Jobs.
+ */
 public class AgentImplementation extends ItemImplementation implements
 		AgentOperations {
 
@@ -45,10 +55,12 @@ public class AgentImplementation extends ItemImplementation implements
 		mAgentPath = path;
 	}
 
-	   /**
-     * Called by an activity when it reckons we need to update our joblist for it
-     */
 
+	/**
+	 * Updates an Agent's list of Jobs relating to a particular activity. Only
+	 * Activities that are assigned to a Role that is flagged to push Jobs do this.
+	 * 
+	 */
     @Override
 	public synchronized void refreshJobList(SystemKey sysKey, String stepPath, String newJobs) {
         try {
@@ -76,6 +88,14 @@ public class AgentImplementation extends ItemImplementation implements
 
     }
 
+    /** Adds the given Role to this Agent. Called from the SetAgentRoles
+     * predefined step.
+     * 
+     * @param roleName - the new Role to add
+     * @throws CannotManageException When the process has no lookup manager
+     * @throws ObjectNotFoundException 
+     * 
+     */
     @Override
 	public void addRole(String roleName) throws CannotManageException, ObjectNotFoundException {
         RolePath newRole = Gateway.getLookup().getRolePath(roleName);
@@ -86,6 +106,12 @@ public class AgentImplementation extends ItemImplementation implements
         }
     }
 
+    /**
+     * Removes the given Role from this Agent. Called by the SetAgentRoles 
+     * predefined step.
+     * 
+     * @param roleName
+     */
     @Override
 	public void removeRole(String roleName) throws CannotManageException, ObjectNotFoundException {
         RolePath rolePath = Gateway.getLookup().getRolePath(roleName);
@@ -96,6 +122,13 @@ public class AgentImplementation extends ItemImplementation implements
         }
     }
 
+    /**
+     * Agents have their own predefined step containers. They contain the standard
+     * predefined steps, plus special Agent ones related to Agent management and 
+     * instantiation.
+     * 
+     * @see com.c2kernel.lifecycle.instance.predefined.agent.AgentPredefinedStepContainer
+     */
 	@Override
 	protected PredefinedStepContainer getNewPredefStepContainer() {
 		return new AgentPredefinedStepContainer();
-- 
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