| /* |
| * 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.Iterator; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.internal.util.lang.GridCloseableIterator; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** */ |
| public interface UpdateSourceIterator<T> extends GridCloseableIterator<T> { |
| /** |
| * @return Operation. |
| */ |
| public EnlistOperation operation(); |
| |
| /** |
| * Callback method which should be called before moving iteration into another thread. |
| */ |
| public default void beforeDetach() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override default void close() throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override default boolean isClosed() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override default void removeX() throws IgniteCheckedException { |
| throw new UnsupportedOperationException("remove"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override default boolean hasNext() { |
| try { |
| return hasNextX(); |
| } |
| catch (IgniteCheckedException e) { |
| throw new IgniteException(e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override default T next() { |
| try { |
| return nextX(); |
| } |
| catch (IgniteCheckedException e) { |
| throw new IgniteException(e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override default void remove() { |
| try { |
| removeX(); |
| } |
| catch (IgniteCheckedException e) { |
| throw new IgniteException(e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override @NotNull default Iterator<T> iterator() { |
| return this; |
| } |
| } |