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.

                        if (log.isWarnEnabled()) {
                            log.warn("invalid type : " + type);
                        }
                }


                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
            key.copyTo(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         & 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         & 0xFF);


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


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


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

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        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;
        } catch (Exception e) {
            if (log.isWarnEnabled()) {

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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;
        } catch (IOException e) {
            throw new BTreeCorruptException("Corruption detected on add", 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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        /**
         * Reads node only if it is not loaded yet
         */
        public synchronized void read() throws IOException {
            if (!this.loaded) {
                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()));
        }

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

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        private 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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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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