1 files changed, 116 insertions, 0 deletions
diff --git a/source/com/c2kernel/lifecycle/instance/predefined/AssignItemToSlot.java b/source/com/c2kernel/lifecycle/instance/predefined/AssignItemToSlot.java
new file mode 100755
index 0000000..88f89c3
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+++ b/source/com/c2kernel/lifecycle/instance/predefined/AssignItemToSlot.java
@@ -0,0 +1,116 @@
+/**************************************************************************
+ * AssignItemToSlot
+ *
+ * $Workfile$
+ * $Revision: 1.8 $
+ * $Date: 2004/10/21 08:02:19 $
+ *
+ * Copyright (C) 2001 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+
+package com.c2kernel.lifecycle.instance.predefined;
+
+import java.util.Iterator;
+
+import com.c2kernel.collection.Collection;
+import com.c2kernel.collection.CollectionMember;
+import com.c2kernel.collection.MembershipException;
+import com.c2kernel.common.AccessRightsException;
+import com.c2kernel.common.InvalidDataException;
+import com.c2kernel.common.InvalidTransitionException;
+import com.c2kernel.lookup.AgentPath;
+import com.c2kernel.lookup.EntityPath;
+import com.c2kernel.persistency.ClusterStorage;
+import com.c2kernel.persistency.ClusterStorageException;
+import com.c2kernel.process.Gateway;
+import com.c2kernel.utils.Logger;
+
+/**************************************************************************
+ *
+ * @author $Author: abranson $ $Date: 2004/10/21 08:02:19 $
+ * @version $Revision: 1.8 $
+ **************************************************************************/
+public class AssignItemToSlot extends PredefinedStep
+{
+    /**************************************************************************
+    * Constructor for Castor
+    **************************************************************************/
+    public AssignItemToSlot()
+    {
+        super();
+    }
+
+	
+    /**
+     * Params:
+     * 0 - collection name
+     * 1 - slot number
+     * 2 - target entity key
+     */
+    public void request(AgentPath agent, int transitionID, String requestData)
+        throws AccessRightsException,
+               InvalidTransitionException,
+               InvalidDataException
+    {
+        EntityPath entityPath = getItemEntityPath();
+        String collName;
+        int slotNo;
+        int entityKey;
+        Collection coll;
+
+        Logger.msg(1, "AssignItemToSlot::request() - Starting.");
+
+        checkAccessRights(agent);
+        
+        // extract parameters
+        try {
+            entityPath = getItemEntityPath();
+            String[] params = getDataList(requestData);
+            collName = params[0];
+            slotNo = Integer.parseInt(params[1]);
+            entityKey = Integer.parseInt(params[2]);           
+        } catch (Exception e) {
+            throw new InvalidDataException("Invalid parameters", "");
+        }
+        
+        // load collection
+        try {
+            coll = (Collection)Gateway.getStorage().get(entityPath.getSysKey(), ClusterStorage.COLLECTION+"/"+collName, null);
+        } catch (Exception e) {
+            Logger.error(e);
+            throw new InvalidDataException("Error loading collection "+collName, "");
+        }
+        
+        // find member and assign entity
+        boolean stored = false;
+        for (Iterator iter = coll.getMembers().list.iterator(); iter.hasNext();) {
+            CollectionMember member = (CollectionMember)iter.next();
+            if (member.getID() == slotNo) {
+                if (member.getEntityKey() > -1)
+                    throw new InvalidDataException("Member slot not empty", "");
+                try {
+                    member.assignEntity(entityKey);
+                } catch (MembershipException e) {
+                    throw new InvalidDataException("Entity "+entityKey+" does not fit in this slot", "");
+                }
+                stored = true;
+                break;
+            }
+        }
+        if (!stored) {
+            throw new InvalidDataException("Member slot "+slotNo+" not found.", "");
+        }
+        
+        
+		try {
+            Gateway.getStorage().put(entityPath.getSysKey(), coll, null);
+        } catch (ClusterStorageException e) {
+            Logger.error(e);
+            throw new InvalidDataException("Error storing collection", "");
+        }
+		sendEventStoreOutcome(transitionID, requestData, agent);
+
+        Logger.msg(1, "AssignItemToSlot::request() - DONE.");
+    }
+}