| /* |
| * 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.query; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.ignite.internal.processors.cache.CacheObjectUtils; |
| import org.apache.ignite.internal.processors.cache.CacheObjectValueContext; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| /** |
| * Deserializes binary objects if needed. |
| */ |
| public class GridQueryCacheObjectsIterator implements Iterator<List<?>>, AutoCloseable { |
| /** */ |
| private final Iterator<List<?>> iter; |
| |
| /** */ |
| private final CacheObjectValueContext cacheObjValCtx; |
| |
| /** */ |
| private final boolean keepBinary; |
| |
| /** |
| * @param iter Iterator. |
| * @param cacheObjValCtx Cache object context. |
| * @param keepBinary Keep binary. |
| */ |
| public GridQueryCacheObjectsIterator(Iterator<List<?>> iter, CacheObjectValueContext cacheObjValCtx, |
| boolean keepBinary) { |
| this.iter = iter; |
| this.cacheObjValCtx = cacheObjValCtx; |
| this.keepBinary = keepBinary; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void close() throws Exception { |
| if (iter instanceof AutoCloseable) |
| U.closeQuiet((AutoCloseable)iter); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasNext() { |
| return iter.hasNext(); |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override public List<?> next() { |
| return ((List<?>)CacheObjectUtils.unwrapBinariesIfNeeded( |
| cacheObjValCtx, (Collection<Object>)iter.next(), keepBinary)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void remove() { |
| iter.remove(); |
| } |
| } |