diff options
| author | Andrew Branson <andrew.branson@cern.ch> | 2012-07-30 22:09:32 +0200 |
|---|---|---|
| committer | Andrew Branson <andrew.branson@cern.ch> | 2012-07-30 22:09:32 +0200 |
| commit | fea9f5836c4a13e2024c2f678061268ab7421b8d (patch) | |
| tree | 209bcda30896ce3f90adf6cd6ca2ff14301c4e20 /src/main/java/com/c2kernel/lifecycle/instance/predefined/ClearSlot.java | |
| parent | 409741e181838b3712c17d858b3ea594976de623 (diff) | |
Predefined steps audit, including new steps for collection management
Fixes #19
Diffstat (limited to 'src/main/java/com/c2kernel/lifecycle/instance/predefined/ClearSlot.java')
| -rw-r--r-- | src/main/java/com/c2kernel/lifecycle/instance/predefined/ClearSlot.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/main/java/com/c2kernel/lifecycle/instance/predefined/ClearSlot.java b/src/main/java/com/c2kernel/lifecycle/instance/predefined/ClearSlot.java new file mode 100644 index 0000000..66df3b2 --- /dev/null +++ b/src/main/java/com/c2kernel/lifecycle/instance/predefined/ClearSlot.java @@ -0,0 +1,110 @@ +/**************************************************************************
+ * 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 com.c2kernel.collection.Aggregation;
+import com.c2kernel.collection.AggregationMember;
+import com.c2kernel.common.AccessRightsException;
+import com.c2kernel.common.InvalidDataException;
+import com.c2kernel.common.InvalidTransitionException;
+import com.c2kernel.common.ObjectNotFoundException;
+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 ClearSlot extends PredefinedStep
+{
+ /**************************************************************************
+ * Constructor for Castor
+ **************************************************************************/
+ public ClearSlot()
+ {
+ super();
+ }
+
+
+ /**
+ * Params:
+ * 0 - collection name
+ * 1 - slot number
+ */
+ @Override
+ public void request(AgentPath agent, int transitionID, String requestData)
+ throws AccessRightsException,
+ InvalidTransitionException,
+ InvalidDataException
+ {
+ EntityPath entityPath = getItemEntityPath();
+ String collName;
+ int slotNo;
+ Aggregation agg;
+
+ Logger.msg(1, "ClearSlot::request() - Starting.");
+
+ checkAccessRights(agent);
+
+ // extract parameters
+ try {
+ entityPath = getItemEntityPath();
+ String[] params = getDataList(requestData);
+ collName = params[0];
+ slotNo = Integer.parseInt(params[1]);
+ } catch (Exception e) {
+ throw new InvalidDataException("Invalid parameters", "");
+ }
+
+ // load collection
+ try {
+ agg = (Aggregation)Gateway.getStorage().get(entityPath.getSysKey(), ClusterStorage.COLLECTION+"/"+collName, null);
+ } catch (ObjectNotFoundException ex) {
+ throw new InvalidDataException("Collection '"+collName+"' not found in this Item", "");
+ } catch (ClusterStorageException ex) {
+ Logger.error(ex);
+ throw new InvalidDataException("Error loading collection '\"+collName+\"': "+ex.getMessage(), "");
+ }
+
+ // find member and clear
+ boolean stored = false;
+ for (AggregationMember member : agg.getMembers().list) {
+ if (member.getID() == slotNo) {
+ if (member.getEntityKey() > -1)
+ throw new InvalidDataException("Member slot already empty", "");
+ member.clearEntity();
+ stored = true;
+ break;
+ }
+ }
+ if (!stored) {
+ throw new InvalidDataException("Member slot "+slotNo+" not found.", "");
+ }
+
+
+ try {
+ Gateway.getStorage().put(entityPath.getSysKey(), agg, null);
+ } catch (ClusterStorageException e) {
+ Logger.error(e);
+ throw new InvalidDataException("Error storing collection", "");
+ }
+ sendEventStoreOutcome(transitionID, requestData, agent);
+
+ Logger.msg(1, "ClearSlot::request() - DONE.");
+ }
+}
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