Examples with Value org.gridgain.internal.h2.value.Value used on opensource projects

Example 6 with Value

use of org.gridgain.internal.h2.value.Value in project ignite by apache.

the class GridH2KeyValueRowOffheap method updateWeakValue.

/** {@inheritDoc} */
@SuppressWarnings("NonSynchronizedMethodOverridesSynchronizedMethod")
@Override
protected synchronized Value updateWeakValue(Object valObj) throws IgniteCheckedException {
    Value val = peekValue(VAL_COL);
    if (val != null)
        return val;
    Value upd = desc.wrap(valObj, desc.valueType());
    setValue(VAL_COL, upd);
    notifyAll();
    return upd;
}

Example 7 with Value

use of org.gridgain.internal.h2.value.Value in project ignite by apache.

the class GridH2KeyValueRowOffheap method incrementRefCount.

/** {@inheritDoc} */
@SuppressWarnings({ "NonPrivateFieldAccessedInSynchronizedContext" })
@Override
public void incrementRefCount() {
    long p = ptr;
    GridUnsafeMemory mem = desc.memory();
    if (p == 0) {
        // Serialize data to offheap memory.
        Value key = peekValue(KEY_COL);
        Value val = peekValue(VAL_COL);
        assert key != null;
        assert val != null;
        Data data = Data.create(null, new byte[SIZE_CALCULATOR.getValueLen(key)]);
        data.writeValue(key);
        int keySize = data.length();
        p = mem.allocate(keySize + OFFSET_KEY);
        // We don't need any synchronization or volatility here because we publish via
        // volatile write to tree node.
        mem.writeInt(p, 1);
        mem.writeLong(p + OFFSET_EXPIRATION, expirationTime);
        mem.writeInt(p + OFFSET_KEY_SIZE, keySize);
        mem.writeBytes(p + OFFSET_KEY, data.getBytes(), 0, keySize);
        data = Data.create(null, new byte[SIZE_CALCULATOR.getValueLen(val)]);
        data.writeValue(val);
        int valSize = data.length();
        long valPtr = mem.allocate(valSize + OFFSET_VALUE);
        mem.writeInt(valPtr, valSize);
        mem.writeBytes(valPtr + OFFSET_VALUE, data.getBytes(), 0, valSize);
        mem.writeLongVolatile(p + OFFSET_VALUE_REF, valPtr);
        ptr = p;
        desc.cache(this);
    } else {
        for (; ; ) {
            int cnt = mem.readIntVolatile(p);
            assert cnt > 0 : cnt;
            if (mem.casInt(p, cnt, cnt + 1))
                break;
        }
    }
}

Example 8 with Value

use of org.gridgain.internal.h2.value.Value in project ignite by apache.

the class MapQueryResult method fetchNextPage.

/**
 * @param rows Collection to fetch into.
 * @param pageSize Page size.
 * @return {@code true} If there are no more rows available.
 */
synchronized boolean fetchNextPage(List<Value[]> rows, int pageSize) {
    assert lazyWorker == null || lazyWorker == MapQueryLazyWorker.currentWorker();
    if (closed)
        return true;
    boolean readEvt = cctx != null && cctx.name() != null && cctx.events().isRecordable(EVT_CACHE_QUERY_OBJECT_READ);
    page++;
    for (int i = 0; i < pageSize; i++) {
        if (!res.next())
            return true;
        Value[] row = res.currentRow();
        if (cpNeeded) {
            boolean copied = false;
            for (int j = 0; j < row.length; j++) {
                Value val = row[j];
                if (val instanceof GridH2ValueCacheObject) {
                    GridH2ValueCacheObject valCacheObj = (GridH2ValueCacheObject) val;
                    row[j] = new GridH2ValueCacheObject(valCacheObj.getCacheObject(), h2.objectContext()) {

                        @Override
                        public Object getObject() {
                            return getObject(true);
                        }
                    };
                    copied = true;
                }
            }
            if (i == 0 && !copied)
                // No copy on read caches, skip next checks.
                cpNeeded = false;
        }
        assert row != null;
        if (readEvt) {
            GridKernalContext ctx = h2.kernalContext();
            ctx.event().record(new CacheQueryReadEvent<>(ctx.discovery().localNode(), "SQL fields query result set row read.", EVT_CACHE_QUERY_OBJECT_READ, CacheQueryType.SQL.name(), cctx.name(), null, qry.query(), null, null, params, qrySrcNodeId, null, null, null, null, row(row)));
        }
        rows.add(res.currentRow());
    }
    return false;
}

Example 9 with Value

use of org.gridgain.internal.h2.value.Value in project ignite by apache.

the class H2Tree method compareRows.

/**
 * Compares two H2 rows.
 *
 * @param r1 Row 1.
 * @param r2 Row 2.
 * @return Compare result: see {@link Comparator#compare(Object, Object)} for values.
 */
public int compareRows(SearchRow r1, SearchRow r2) {
    if (r1 == r2)
        return 0;
    for (int i = 0, len = cols.length; i < len; i++) {
        int idx = columnIds[i];
        Value v1 = r1.getValue(idx);
        Value v2 = r2.getValue(idx);
        if (v1 == null || v2 == null) {
            // Can't compare further.
            return 0;
        }
        int c = compareValues(v1, v2);
        if (c != 0)
            return InlineIndexHelper.fixSort(c, cols[i].sortType);
    }
    return 0;
}

Example 10 with Value

use of org.gridgain.internal.h2.value.Value in project ignite by apache.

the class H2Tree method compare.

/**
 * {@inheritDoc}
 */
@SuppressWarnings("ForLoopReplaceableByForEach")
@Override
protected int compare(BPlusIO<SearchRow> io, long pageAddr, int idx, SearchRow row) throws IgniteCheckedException {
    if (inlineSize() == 0)
        return compareRows(getRow(io, pageAddr, idx), row);
    else {
        int off = io.offset(idx);
        int fieldOff = 0;
        int lastIdxUsed = 0;
        for (int i = 0; i < inlineIdxs.size(); i++) {
            InlineIndexHelper inlineIdx = inlineIdxs.get(i);
            Value v2 = row.getValue(inlineIdx.columnIndex());
            if (v2 == null)
                return 0;
            int c = inlineIdx.compare(pageAddr, off + fieldOff, inlineSize() - fieldOff, v2, comp);
            if (c == -2)
                break;
            lastIdxUsed++;
            if (c != 0)
                return c;
            fieldOff += inlineIdx.fullSize(pageAddr, off + fieldOff);
            if (fieldOff > inlineSize())
                break;
        }
        if (lastIdxUsed == cols.length)
            return 0;
        SearchRow rowData = getRow(io, pageAddr, idx);
        for (int i = lastIdxUsed, len = cols.length; i < len; i++) {
            IndexColumn col = cols[i];
            int idx0 = col.column.getColumnId();
            Value v2 = row.getValue(idx0);
            if (v2 == null) {
                // Can't compare further.
                return 0;
            }
            Value v1 = rowData.getValue(idx0);
            int c = compareValues(v1, v2);
            if (c != 0)
                return InlineIndexHelper.fixSort(c, col.sortType);
        }
        return 0;
    }
}