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.

      public synchronized void setLoaded(boolean loaded) {
         this.loaded = loaded;
      }


      public synchronized void read() throws IOException {
         Value v = readValue(page);
         DataInputStream is = new DataInputStream(v.getInputStream());


         // Read in the Values
         values = new Value[ph.getValueCount()];
         for ( int i = 0; i < values.length; i++ ) {
            short valSize = is.readShort();
            byte[] b = new byte[valSize];


            is.read(b);
            values[i] = new Value(b);
         }


         // Read in the pointers
         ptrs = new long[ph.getPointerCount()];
         for ( int i = 0; i < ptrs.length; i++ )

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         // Write out the pointers
         for ( int i = 0; i < ptrs.length; i++ )
            os.writeLong(ptrs[i]);


         writeValue(page, new Value(bos.toByteArray()));


         cache.put(new Long(page.getPageNum()), this);
      }

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            return null;
      }


      public synchronized void getChildStream(int idx, Streamable stream) throws IOException {
         if ( ph.getStatus() == LEAF && idx >= 0 && idx < ptrs.length ) {
            Value v = readValue(ptrs[idx]);
            DataInputStream dis = new DataInputStream(v.getInputStream());
            stream.read(dis);
         }
      }

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      public Value getSeparator(Value value1, Value value2) {
         int idx = value1.compareTo(value2);
         byte[] b = new byte[Math.abs(idx)];
         System.arraycopy(value2.getData(), 0, b, 0, b.length);
         return new Value(b);
      }

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      public synchronized void split() throws IOException, BTreeException {
         Value[] leftVals;
         Value[] rightVals;
         long[] leftPtrs;
         long[] rightPtrs;
         Value separator;


         short vc = ph.getValueCount();
         int pivot = vc / 2;


         // Split the node into two nodes

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         HashMap meta = new HashMap(1);
         meta.put(Record.MODIFIED, new Long(file.lastModified()));


         byte[] valueData = cache.getFile(file);
         if ( valueData != null )
            return new Record(key, new Value(valueData), meta);
      }
      catch ( Exception e ) {
         if (log.isDebugEnabled()) {
            log.debug("No message", e);
         }

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                  ps = nk.name;


               IndexPattern pattern = new IndexPattern(symbols, ps, nsMap);


               XObject obj = (XObject)s;
               Value val1 = new Value(obj.str());


               IndexQuery iq = new IndexQuerySW(pattern, val1);
               return queryIndexes(nk, iq, ps, obj.getType());
            }
         }

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         else
            break;
      }


      // Return a Value with the collected contents of all pages.
      return new Value(bos.toByteArray());
   }

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                     b[0] = 0;
                  else
                     return EmptyValue;
                  break;
            }
            return new Value(b);
         }
         catch ( Exception e ) {
            return EmptyValue;
         }
      }


      if ( type == TRIMMED )
         value = QueryEngine.normalizeString(value);


      return new Value(value);
   }

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      return new Value(value);
   }


   private Value getCombinedValue(Key key, int pos, int len, short elemID, short attrID) {
      Value result;
      try {
         int l = key.getLength();
         byte[] b = new byte[l+13];


         // Write the key
         System.arraycopy(key.getData(), 0, b, 0, l);
         b[l] = 0;


         // Write the pos
         b[l+1] = (byte)((pos >>> 24) & 0xFF);
         b[l+2] = (byte)((pos >>> 16) & 0xFF);
         b[l+3] = (byte)((pos >>> 8)  & 0xFF);
         b[l+4] = (byte)((pos >>> 0)  & 0xFF);


         // Write the len
         b[l+5] = (byte)((len >>> 24) & 0xFF);
         b[l+6] = (byte)((len >>> 16) & 0xFF);
         b[l+7] = (byte)((len >>> 8)  & 0xFF);
         b[l+8] = (byte)((len >>> 0)  & 0xFF);


         // Write the elemID
         b[l+9] = (byte)((elemID >>> 8)  & 0xFF);
         b[l+10] = (byte)((elemID >>> 0) & 0xFF);


         // Write the attrID
         b[l+11] = (byte)((attrID >>> 8) & 0xFF);
         b[l+12] = (byte)((attrID >>> 0) & 0xFF);


         result = new Value(b);
      }
      catch ( Exception e ) {
         result = null; // This will never happen
      }
      return result;

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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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