svn commit: r773835 - /jackrabbit/trunk/jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/operation/Checkpoint.java

[an...@apache.org]

Author: angela
Date: Tue May 12 09:51:09 2009
New Revision: 773835

URL: http://svn.apache.org/viewvc?rev=773835&view=rev
Log:
JCR-2104: JSR 283 Versioning
   - VersionManager (work in progress): checkpoint
      -> extend SPI interfaces accordingl

Added:
    jackrabbit/trunk/jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/operation/Checkpoint.java

Added: jackrabbit/trunk/jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/operation/Checkpoint.java
URL: http://svn.apache.org/viewvc/jackrabbit/trunk/jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/operation/Checkpoint.java?rev=773835&view=auto
==============================================================================
--- jackrabbit/trunk/jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/operation/Checkpoint.java (added)
+++ jackrabbit/trunk/jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/operation/Checkpoint.java Tue May 12 09:51:09 2009
@@ -0,0 +1,107 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.jcr2spi.operation;
+
+import org.apache.jackrabbit.jcr2spi.hierarchy.NodeEntry;
+import org.apache.jackrabbit.jcr2spi.hierarchy.PropertyEntry;
+import org.apache.jackrabbit.jcr2spi.state.NodeState;
+import org.apache.jackrabbit.jcr2spi.version.VersionManager;
+import org.apache.jackrabbit.spi.NodeId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.jcr.AccessDeniedException;
+import javax.jcr.ItemExistsException;
+import javax.jcr.RepositoryException;
+import javax.jcr.UnsupportedRepositoryOperationException;
+import javax.jcr.nodetype.ConstraintViolationException;
+import javax.jcr.nodetype.NoSuchNodeTypeException;
+import javax.jcr.version.VersionException;
+import java.util.Iterator;
+
+/**
+ * <code>Checkout</code>...
+ */
+public class Checkpoint extends AbstractOperation {
+
+    private static Logger log = LoggerFactory.getLogger(Checkpoint.class);
+
+    private final NodeState nodeState;
+    private final VersionManager mgr;
+    
+    private NodeId newVersionId;
+
+    private Checkpoint(NodeState nodeState, VersionManager mgr) {
+        this.nodeState = nodeState;
+        this.mgr = mgr;
+        // NOTE: affected-states only needed for transient modifications
+    }
+
+    //----------------------------------------------------------< Operation >---
+    public void accept(OperationVisitor visitor) throws RepositoryException, ConstraintViolationException, AccessDeniedException, ItemExistsException, NoSuchNodeTypeException, UnsupportedRepositoryOperationException, VersionException {
+        assert status == STATUS_PENDING;
+        visitor.visit(this);
+    }
+
+    /**
+     * Invalidate the target <code>NodeState</code>.
+     *
+     * @see org.apache.jackrabbit.jcr2spi.operation.Operation#persisted()
+     */
+    public void persisted() {
+        assert status == STATUS_PENDING;
+        status = STATUS_PERSISTED;
+        try {
+            NodeEntry vhe = mgr.getVersionHistoryEntry(nodeState);
+            if (vhe != null) {
+                vhe.invalidate(true);
+            }
+        } catch (RepositoryException e) {
+            log.warn("Failed to access Version history entry -> skip invalidation.", e);
+        }
+        // non-recursive invalidation (but including all properties)
+        NodeEntry nodeEntry = (NodeEntry) nodeState.getHierarchyEntry();
+        Iterator entries = nodeEntry.getPropertyEntries();
+        while (entries.hasNext()) {
+            PropertyEntry pe = (PropertyEntry) entries.next();
+            pe.invalidate(false);
+        }
+        nodeEntry.invalidate(false);
+    }
+
+    //----------------------------------------< Access Operation Parameters >---
+    /**
+     *
+     * @return
+     */
+    public NodeId getNodeId() throws RepositoryException {
+        return nodeState.getNodeEntry().getWorkspaceId();
+    }
+
+    public void setNewVersionId(NodeId newVersionId) {
+        this.newVersionId = newVersionId;
+    }
+
+    public NodeId getNewVersionId() {
+        return this.newVersionId;
+    }
+
+    //------------------------------------------------------------< Factory >---
+    public static Checkpoint create(NodeState nodeState, VersionManager mgr) {
+        return new Checkpoint(nodeState, mgr);
+    }
+}
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