Examples with ITree jetbrains.exodus.tree.ITree used on opensource projects

Example 6 with ITree

use of jetbrains.exodus.tree.ITree in project xodus by JetBrains.

the class BTreeStructureIdTest method assertContains.

private void assertContains(long expectedId, long address) {
    ITree firstImTree = new BTree(log, address, false, 3);
    LongIterator it = firstImTree.addressIterator();
    while (it.hasNext()) Assert.assertEquals(expectedId, log.read(it.next()).getStructureId());
}

Example 7 with ITree

use of jetbrains.exodus.tree.ITree in project xodus by JetBrains.

the class StoreImpl method get.

@Override
@Nullable
public ByteIterable get(@NotNull final Transaction txn, @NotNull final ByteIterable key) {
    final TransactionBase tx = (TransactionBase) txn;
    final ITree tree = tx.getTree(this);
    final long treeRootAddress = tree.getRootAddress();
    final StoreGetCache storeGetCache = environment.getStoreGetCache();
    final boolean useStoreGetCache = treeRootAddress != Loggable.NULL_ADDRESS && storeGetCache != null;
    // if neither tree is empty nor mutable and StoreGetCache is on
    if (useStoreGetCache) {
        ByteIterable result = storeGetCache.tryKey(treeRootAddress, key);
        if (result != null) {
            return result == NULL_CACHED_VALUE ? null : result;
        }
        result = tree.get(key);
        storeGetCache.cacheObject(treeRootAddress, key, result == null ? NULL_CACHED_VALUE : new ArrayByteIterable(result));
        return result;
    }
    return tree.get(key);
}