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

Example 1 with TreeMetaInfo

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

the class ReadWriteTransaction method doCommit.

Iterable<ExpiredLoggableInfo>[] doCommit(@NotNull final MetaTree.Proto[] out) {
    final Set<Map.Entry<Integer, ITreeMutable>> entries = mutableTrees.entrySet();
    final Set<Map.Entry<Long, Pair<String, ITree>>> removedEntries = removedStores.entrySet();
    final int size = entries.size() + removedEntries.size();
    // noinspection unchecked
    final Iterable<ExpiredLoggableInfo>[] expiredLoggables = new Iterable[size + 1];
    int i = 0;
    final ITreeMutable metaTreeMutable = getMetaTree().tree.getMutableCopy();
    for (final Map.Entry<Long, Pair<String, ITree>> entry : removedEntries) {
        final Pair<String, ITree> value = entry.getValue();
        MetaTree.removeStore(metaTreeMutable, value.getFirst(), entry.getKey());
        expiredLoggables[i++] = TreeMetaInfo.getTreeLoggables(value.getSecond());
    }
    removedStores.clear();
    for (final Map.Entry<String, TreeMetaInfo> entry : createdStores.entrySet()) {
        MetaTree.addStore(metaTreeMutable, entry.getKey(), entry.getValue());
    }
    createdStores.clear();
    final Collection<ExpiredLoggableInfo> last;
    for (final Map.Entry<Integer, ITreeMutable> entry : entries) {
        final ITreeMutable treeMutable = entry.getValue();
        expiredLoggables[i++] = treeMutable.getExpiredLoggables();
        MetaTree.saveTree(metaTreeMutable, treeMutable);
    }
    clearImmutableTrees();
    mutableTrees.clear();
    expiredLoggables[i] = last = metaTreeMutable.getExpiredLoggables();
    out[0] = MetaTree.saveMetaTree(metaTreeMutable, getEnvironment(), last);
    return expiredLoggables;
}

Example 2 with TreeMetaInfo

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

the class ReadWriteTransaction method getTreeMetaInfo.

@Nullable
@Override
TreeMetaInfo getTreeMetaInfo(@NotNull final String name) {
    checkIsFinished();
    final TreeMetaInfo result = createdStores.get(name);
    return result == null ? super.getTreeMetaInfo(name) : result;
}

Example 3 with TreeMetaInfo

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

the class EnvironmentImpl method openStore.

@Override
@Nullable
public StoreImpl openStore(@NotNull final String name, @NotNull final StoreConfig config, @NotNull final Transaction transaction, final boolean creationRequired) {
    final TransactionBase txn = (TransactionBase) transaction;
    final TreeMetaInfo metaInfo = txn.getTreeMetaInfo(name);
    if (metaInfo == null && !creationRequired) {
        return null;
    }
    return openStoreImpl(name, config, txn, metaInfo);
}

Example 4 with TreeMetaInfo

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

the class EnvironmentImpl method truncateStore.

@Override
public void truncateStore(@NotNull final String storeName, @NotNull final Transaction txn) {
    final ReadWriteTransaction t = throwIfReadonly(txn, "Can't truncate a store in read-only transaction");
    StoreImpl store = openStore(storeName, StoreConfig.USE_EXISTING, t, false);
    if (store == null) {
        throw new ExodusException("Attempt to truncate unknown store '" + storeName + '\'');
    }
    t.storeRemoved(store);
    final TreeMetaInfo metaInfoCloned = store.getMetaInfo().clone(allocateStructureId());
    store = new StoreImpl(this, storeName, metaInfoCloned);
    t.storeCreated(store);
}

Example 5 with TreeMetaInfo

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

the class ReadWriteTransaction method doCommit.

ExpiredLoggableCollection doCommit(@NotNull final MetaTreeImpl.Proto[] out) {
    final Set<Map.Entry<Integer, ITreeMutable>> entries = mutableTrees.entrySet();
    final Set<Map.Entry<Long, Pair<String, ITree>>> removedEntries = removedStores.entrySet();
    ExpiredLoggableCollection expiredLoggables = ExpiredLoggableCollection.getEMPTY();
    final ITreeMutable metaTreeMutable = getMetaTree().tree.getMutableCopy();
    for (final Map.Entry<Long, Pair<String, ITree>> entry : removedEntries) {
        final Pair<String, ITree> value = entry.getValue();
        MetaTreeImpl.removeStore(metaTreeMutable, value.getFirst(), entry.getKey());
        expiredLoggables = expiredLoggables.mergeWith(TreeMetaInfo.getTreeLoggables(value.getSecond()).trimToSize());
    }
    removedStores.clear();
    for (final Map.Entry<String, TreeMetaInfo> entry : createdStores.entrySet()) {
        MetaTreeImpl.addStore(metaTreeMutable, entry.getKey(), entry.getValue());
    }
    createdStores.clear();
    for (final Map.Entry<Integer, ITreeMutable> entry : entries) {
        final ITreeMutable treeMutable = entry.getValue();
        expiredLoggables = expiredLoggables.mergeWith(treeMutable.getExpiredLoggables().trimToSize());
        MetaTreeImpl.saveTree(metaTreeMutable, treeMutable);
    }
    clearImmutableTrees();
    mutableTrees.clear();
    expiredLoggables = expiredLoggables.mergeWith(metaTreeMutable.getExpiredLoggables().trimToSize());
    out[0] = MetaTreeImpl.saveMetaTree(metaTreeMutable, getEnvironment(), expiredLoggables);
    return expiredLoggables;
}