Changeset 5793

Timestamp:

2003-11-07T10:39:53+13:00 (20 years ago)

Author:

kjdon

Message:

changed this slightly to allow a dummy load of the metadata files - ie we create new ones everywhere there should be one, and ignore the existing ones. This is done for opening a non-gatherer collection, where we dont want the old metadata except when we 'import' the files

File:

• trunk/gli/src/org/greenstone/gatherer/msm/GDMManager.java (modified) (5 diffs)

trunk/gli/src/org/greenstone/gatherer/msm/GDMManager.java

@@ -72 +72 @@
     Gatherer.c_man.getCollection().msm.addMSMListener(this);
     // Now create and start the synchronous GDM loader.
-    gdm_loader = new GDMLoader();
+    gdm_loader = new GDMLoader(false);
+    gdm_loader.start();
+    ///atherer.println("New GDMManager created.");
+    }
+
+    
+
+    
+    public GDMManager(boolean dummy_load) {
+    super();
+    this.metadata_cache = new HashMap3D(Gatherer.c_man.getCollection().msm.getSize());
+    // Connect
+    Gatherer.c_man.getCollection().msm.addMSMListener(this);
+    // Now create and start the synchronous GDM loader.
+    gdm_loader = new GDMLoader(dummy_load);
     gdm_loader.start();
     ///atherer.println("New GDMManager created.");
@@ -84 +98 @@
     }
     }
-    /** Destructor necessary for clean exit, subsequent to saving of metadata.xml files.
+
+   /** Destructor necessary for clean exit, subsequent to saving of metadata.xml files.
      * @see org.greenstone.gatherer.Gatherer
      * @see org.greenstone.gatherer.collection.CollectionManager
@@ -152 +167 @@
     }
 
+    // returns metadata file from cache or creates a new one
+    public GDMDocument getDummyDocument(File file) {
+    ///ystem.err.println("Get the GDMDocument for " + file.getAbsolutePath());
+    GDMDocument metadata_xml = null;
+    // Determine the name of the target files metadata.xml file.
+    File metadata_file = null;
+    if(file.isFile()) {
+        metadata_file = new File(file.getParentFile(), METADATA_XML);
+    }
+    else {
+        metadata_file = new File(file, METADATA_XML);
+    }
+    // Then try to retrieve it from cache. First we consider the case of a cache hit.
+    if(containsKey(metadata_file)) {
+        metadata_xml = (GDMDocument) get(metadata_file);
+    }
+    else {
+        metadata_xml = new GDMDocument();
+        put(metadata_file, metadata_xml);
+    }
+    return metadata_xml;
+    }
+
+    public synchronized void dummyGetMetadata(File file) {
+    String filename = null;
+    if(file.isFile()) {
+        filename = file.getName();
+        file = file.getParentFile();
+    }
+    GDMDocument document = getDummyDocument(file);
+
+    
+    }
     /** Recover the metadata associated with a particular file. Note that this call is synchronized, so that all of the data holders don't need to be. */
     public synchronized ArrayList getMetadata(File file) {
@@ -390 +438 @@
     extends Thread {
     private boolean complete = false;
+    private boolean dummy_load = false;
+
+    GDMLoader(boolean dummy_load) {
+        super("blarg");
+        this.dummy_load = dummy_load;
+    }
+
+    
     public void run() {
         // Can't open a collections metadata when the collection isn't open!
@@ -407 +463 @@
         if(!record.isLeaf()) {
             ///atherer.println("Retrieving metadata.xml for " + record);
-            getMetadata(record.getFile());
+            if (this.dummy_load) {
+            dummyGetMetadata(record.getFile());
+            } else {
+            getMetadata(record.getFile());
+            }
             for(int i = 0; i < record.getChildCount(); i++) {
             remaining.add(record.getChildAt(i));