| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.processors.cache.query; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.internal.processors.query.GridQueryFieldMetadata; |
| import org.apache.ignite.internal.util.lang.GridCloseableIterator; |
| import org.jetbrains.annotations.Nullable; |
| |
| import static org.apache.ignite.cache.CacheMode.LOCAL; |
| |
| /** |
| * Local query manager (for cache in LOCAL cache mode). |
| */ |
| public class GridCacheLocalQueryManager<K, V> extends GridCacheQueryManager<K, V> { |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override protected boolean onPageReady( |
| boolean loc, |
| GridCacheQueryInfo qryInfo, |
| Collection<?> data, |
| boolean finished, Throwable e) { |
| GridCacheQueryFutureAdapter fut = qryInfo.localQueryFuture(); |
| |
| assert fut != null; |
| |
| if (e != null) |
| fut.onPage(null, null, e, true); |
| else |
| fut.onPage(null, data, null, finished); |
| |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected boolean onFieldsPageReady(boolean loc, |
| GridCacheQueryInfo qryInfo, |
| @Nullable List<GridQueryFieldMetadata> metaData, |
| @Nullable Collection<?> entities, |
| @Nullable Collection<?> data, |
| boolean finished, |
| @Nullable Throwable e) { |
| assert qryInfo != null; |
| |
| GridCacheLocalFieldsQueryFuture fut = (GridCacheLocalFieldsQueryFuture)qryInfo.localQueryFuture(); |
| |
| assert fut != null; |
| |
| if (e != null) |
| fut.onPage(null, null, null, e, true); |
| else |
| fut.onPage(null, metaData, data, null, finished); |
| |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void start0() throws IgniteCheckedException { |
| super.start0(); |
| |
| assert cctx.config().getCacheMode() == LOCAL; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CacheQueryFuture<?> queryDistributed(GridCacheQueryBean qry, Collection<ClusterNode> nodes) { |
| assert cctx.config().getCacheMode() == LOCAL; |
| |
| throw new IgniteException("Distributed queries are not available for local cache " + |
| "(use 'CacheQuery.execute(grid.forLocal())' instead) [cacheName=" + cctx.name() + ']'); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public GridCloseableIterator scanQueryDistributed(GridCacheQueryAdapter qry, |
| Collection<ClusterNode> nodes) throws IgniteCheckedException { |
| assert cctx.isLocal() : cctx.name(); |
| |
| throw new IgniteException("Distributed scan query are not available for local cache " + |
| "(use 'CacheQuery.executeScanQuery(grid.forLocal())' instead) [cacheName=" + cctx.name() + ']'); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void loadPage(long id, GridCacheQueryAdapter<?> qry, Collection<ClusterNode> nodes, boolean all) { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CacheQueryFuture<?> queryFieldsLocal(GridCacheQueryBean qry) { |
| assert cctx.config().getCacheMode() == LOCAL; |
| |
| if (log.isDebugEnabled()) |
| log.debug("Executing query on local node: " + qry); |
| |
| GridCacheLocalFieldsQueryFuture fut = new GridCacheLocalFieldsQueryFuture(cctx, qry); |
| |
| try { |
| qry.query().validate(); |
| |
| fut.execute(); |
| } |
| catch (IgniteCheckedException e) { |
| fut.onDone(e); |
| } |
| |
| return fut; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CacheQueryFuture<?> queryFieldsDistributed(GridCacheQueryBean qry, |
| Collection<ClusterNode> nodes) { |
| assert cctx.config().getCacheMode() == LOCAL; |
| |
| throw new IgniteException("Distributed queries are not available for local cache " + |
| "(use 'CacheQuery.execute(grid.forLocal())' instead) [cacheName=" + cctx.name() + ']'); |
| } |
| } |