Examples of org.apache.xindice.core.data.Value

org.apache.xindice.core.data.Value
Value is the primary base class for all data storing objects. The content window of Value objects are immutable, but the underlying byte array is not.


      return new IndexMatch(key, pos, len, elemID, attrID);
   }


   public void remove(String value, Key key, int pos, int len, short elemID, short attrID) throws DBException {
      Value v = getTypedValue(value);
      if ( type != STRING && type != TRIMMED && v.getLength() == 0 )
         return;


      try {
         BTreeRootInfo root = findBTreeRoot(v);
         Value cv = getCombinedValue(key, pos, len, elemID, attrID);
         removeValue(root, cv);
      }
      catch ( DBException e ) {
         throw e;
      }

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         }
      }
   }


   public void add(String value, Key key, int pos, int len, short elemID, short attrID) throws DBException {
      Value v = getTypedValue(value);
      if ( type != STRING && type != TRIMMED && v.getLength() == 0 )
         return;


      try {
         BTreeRootInfo root;


         try {
            root = findBTreeRoot(v);
         }
         catch ( BTreeNotFoundException e ) {
            root = createBTreeRoot(v);
         }


         Value cv = getCombinedValue(key, pos, len, elemID, attrID);
         addValue(root, cv, MATCH_INFO);
      }
      catch ( DBException e ) {
         throw e;
      }

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         DBDocument dbDoc = (DBDocument)document;
         if ( dbDoc.getSource() == null )
            dbDoc.setSource(new NodeSource(this, key));
      }


      Value value =  null;
      if ( compressed ) {
         try {
            byte[] b = DOMCompressor.Compress(document, symbols);
            value = new Value(b);


            document = new DocumentImpl(b, symbols, new NodeSource(this, key));
         }
         catch ( Exception e ) {
            throw new DBException(FaultCodes.COL_CANNOT_STORE, "Error storing Document '"+key+"'", e);
         }
      } else {
         value = new Value( TextWriter.toString( document ) );
      }


      flushSymbolTable();


      // Temporary until insert and update are separate
      Document oldDoc = getDocument(key);
      if ( oldDoc != null )
         indexManager.removeDocument(key, oldDoc);
      indexManager.addDocument(key, document);


      filer.writeRecord(key, value);


      // Cache Stuff
      if ( documentCache != null ) {
         if ( compressed )
            documentCache.putDocument(this, key, value.getData());
         else
            documentCache.putDocument(this, key, document);
      }


      DBObserver.getInstance().putDocument(this, key, document,

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      if ( doc == null ) {
         Record record = filer.readRecord(key);
         if ( record == null )
            return null;


         Value value = record.getValue();


         if ( compressed ) {
            doc = new DocumentImpl(value.getData(), symbols, new NodeSource(this, key));


            if ( documentCache != null )
               documentCache.putDocument(this, key, value.getData());
         }
         else
            doc = parseDocument(key, value.toString());


         flushSymbolTable();


         DBObserver.getInstance().loadDocument(this, record, doc);
      }

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      public Container getNextContainer() throws DBException {
         if (set.hasMoreRecords()) {
            Record rec = set.getNextRecord();
            Key key = rec.getKey();
            Value val = rec.getValue();
            if ( val.getData() != null ) {
               try {
                  if ( compressed ) {
                     Document doc = new DocumentImpl(val.getData(), symbols, new NodeSource(Collection.this, key));
                     return new ColContainer(key, doc);
                  }
                  else
                     return new ColContainer(key, DOMParser.toDocument(val));
               }

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            final int threadID = i;
            threads[i] = new Thread() {
                public void run() {
                    for (int ii = 0; ii < ITERATIONS; ii++) {
                        Key key = new Key("T" + threadID + "I" + ii);
                        Value value = new Value("<test thread=\"" + threadID + "\" iteration=\"" + ii + "\"/>");
                        try {
                            filer.writeRecord(key, value);
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                    // System.out.println(getName() + " done.");
                }
            };
            threads[i].setName("FilerTest" + i);
        }


        // Start all the threads at once
        for (int i = 0; i < THREADS; i++) {
            threads[i].start();
        }
        Thread.sleep(1000);


        for (int i = 0; i < THREADS; i++) {
            threads[i].join();
        }


        filer.flush();


        // Check results
        assertEquals(filer.getRecordCount(), THREADS * ITERATIONS);
        for (int i = 0; i < THREADS; i++) {
            for (int ii = 0; ii < ITERATIONS; ii++) {
                Key key = new Key("T" + i + "I" + ii);
                Value value = new Value("<test thread=\"" + i + "\" iteration=\"" + ii + "\"/>");
                Record record = filer.readRecord(key);
                assertNotNull("Record with key '" + key + "' was not found",
                              record);
                assertEquals("Expected record with key '" + key + "', found record with key '" + record.getKey() + "'",
                             key, record.getKey());

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        sb.append("KEY");
        for (int k = 0; k < LARGE_KEY_SIZE - 3; k++) {
            sb.append('0');
        }
        final Key key = new Key(sb.toString());
        final Value value = new Value("<test/>");


        assertTrue(filer.writeRecord(key, value));


        assertEquals(filer.getRecordCount(), 1);
        Record record = filer.readRecord(key);

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        public Container getNextContainer() throws DBException {
            if (set.hasMoreRecords()) {
                Record rec = set.getNextRecord();
                Key key = rec.getKey();
                Value val = rec.getValue();
                if (val.getData() != null) {
                    try {
                        if (compressed) {
                            Document doc = new DocumentImpl(val.getData(), symbols, new NodeSource(Collection.this, key));
                            return new ColContainer(key, doc);
                        } else {
                            return new ColContainer(key, DOMParser.toDocument(val));
                        }
                    } catch (Exception e) {

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        private final Value name;
        private long page;


        public BTreeRootInfo(BTreeRootInfo parent, String name, long page) {
            this.parent = parent;
            this.name = new Value(name);
            this.page = page;
        }

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            this.page = page;
        }


        public BTreeRootInfo(String name, long page) {
            this.parent = rootInfo;
            this.name = new Value(name);
            this.page = page;
        }

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Related Classes of org.apache.xindice.core.data.Value

org.apache.xindice.core.Collection

org.apache.xindice.core.Collection$ColDocumentSet

org.apache.xindice.core.filer.BTree$BTreeNode

org.apache.xindice.core.filer.BTree$BTreeRootInfo

org.apache.xindice.core.filer.BTreeFiler

org.apache.xindice.core.filer.FilerTestBase

org.apache.xindice.core.filer.FSFiler

org.apache.xindice.core.filer.HashFiler

org.apache.xindice.core.filer.Paged

org.apache.xindice.core.indexer.IndexQuery

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