| /** |
| * 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.apex.malhar.lib.state.spillable; |
| |
| import java.util.List; |
| |
| import javax.validation.constraints.NotNull; |
| |
| import org.apache.apex.malhar.lib.utils.serde.Serde; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.Lists; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.netlet.util.Slice; |
| |
| /** |
| * This is a factory that is used for Spillable datastructures. This component is used by nesting it inside of an |
| * operator and forwarding the appropriate operator callbacks are called on the {@link SpillableComplexComponentImpl}. |
| * Spillable datastructures are created by called the appropriate factory methods on the |
| * {@link SpillableComplexComponentImpl} in the setup method of an operator. |
| * |
| * @since 3.5.0 |
| */ |
| @InterfaceStability.Evolving |
| public class SpillableComplexComponentImpl implements SpillableComplexComponent |
| { |
| private List<SpillableComponent> componentList = Lists.newArrayList(); |
| |
| @NotNull |
| private SpillableStateStore store; |
| |
| @NotNull |
| private SpillableIdentifierGenerator identifierGenerator; |
| |
| private SpillableComplexComponentImpl() |
| { |
| // for kryo |
| } |
| |
| public SpillableComplexComponentImpl(SpillableStateStore store) |
| { |
| this(store, new SequentialSpillableIdentifierGenerator()); |
| } |
| |
| public SpillableComplexComponentImpl(SpillableStateStore store, SpillableIdentifierGenerator identifierGenerator) |
| { |
| this.store = Preconditions.checkNotNull(store); |
| this.identifierGenerator = Preconditions.checkNotNull(identifierGenerator); |
| } |
| |
| public <T> SpillableArrayList<T> newSpillableArrayList(long bucket, Serde<T, Slice> serde) |
| { |
| SpillableArrayListImpl<T> list = new SpillableArrayListImpl<T>(bucket, identifierGenerator.next(), store, serde); |
| componentList.add(list); |
| return list; |
| } |
| |
| public <T> SpillableArrayList<T> newSpillableArrayList(byte[] identifier, long bucket, Serde<T, Slice> serde) |
| { |
| identifierGenerator.register(identifier); |
| SpillableArrayListImpl<T> list = new SpillableArrayListImpl<T>(bucket, identifier, store, serde); |
| componentList.add(list); |
| return list; |
| } |
| |
| public <K, V> SpillableByteMap<K, V> newSpillableByteMap(long bucket, Serde<K, Slice> serdeKey, |
| Serde<V, Slice> serdeValue) |
| { |
| SpillableByteMapImpl<K, V> map = new SpillableByteMapImpl<K, V>(store, identifierGenerator.next(), |
| bucket, serdeKey, serdeValue); |
| componentList.add(map); |
| return map; |
| } |
| |
| public <K, V> SpillableByteMap<K, V> newSpillableByteMap(byte[] identifier, long bucket, Serde<K, Slice> serdeKey, |
| Serde<V, Slice> serdeValue) |
| { |
| identifierGenerator.register(identifier); |
| SpillableByteMapImpl<K, V> map = new SpillableByteMapImpl<K, V>(store, identifier, bucket, serdeKey, serdeValue); |
| componentList.add(map); |
| return map; |
| } |
| |
| public <K, V> SpillableByteArrayListMultimap<K, V> newSpillableByteArrayListMultimap(long bucket, Serde<K, |
| Slice> serdeKey, Serde<V, Slice> serdeValue) |
| { |
| SpillableByteArrayListMultimapImpl<K, V> map = new SpillableByteArrayListMultimapImpl<K, V>(store, |
| identifierGenerator.next(), bucket, serdeKey, serdeValue); |
| componentList.add(map); |
| return map; |
| } |
| |
| public <K, V> SpillableByteArrayListMultimap<K, V> newSpillableByteArrayListMultimap(byte[] identifier, long bucket, |
| Serde<K, Slice> serdeKey, |
| Serde<V, Slice> serdeValue) |
| { |
| identifierGenerator.register(identifier); |
| SpillableByteArrayListMultimapImpl<K, V> map = new SpillableByteArrayListMultimapImpl<K, V>(store, |
| identifier, bucket, serdeKey, serdeValue); |
| componentList.add(map); |
| return map; |
| } |
| |
| public <T> SpillableByteMultiset<T> newSpillableByteMultiset(long bucket, Serde<T, Slice> serde) |
| { |
| throw new UnsupportedOperationException("Unsupported Operation"); |
| } |
| |
| public <T> SpillableByteMultiset<T> newSpillableByteMultiset(byte[] identifier, long bucket, Serde<T, Slice> serde) |
| { |
| throw new UnsupportedOperationException("Unsupported Operation"); |
| } |
| |
| public <T> SpillableQueue<T> newSpillableQueue(long bucket, Serde<T, Slice> serde) |
| { |
| throw new UnsupportedOperationException("Unsupported Operation"); |
| } |
| |
| public <T> SpillableQueue<T> newSpillableQueue(byte[] identifier, long bucket, Serde<T, Slice> serde) |
| { |
| throw new UnsupportedOperationException("Unsupported Operation"); |
| } |
| |
| @Override |
| public void setup(Context.OperatorContext context) |
| { |
| store.setup(context); |
| for (SpillableComponent spillableComponent: componentList) { |
| spillableComponent.setup(context); |
| } |
| } |
| |
| @Override |
| public void beginWindow(long windowId) |
| { |
| store.beginWindow(windowId); |
| for (SpillableComponent spillableComponent: componentList) { |
| spillableComponent.beginWindow(windowId); |
| } |
| } |
| |
| @Override |
| public void endWindow() |
| { |
| for (SpillableComponent spillableComponent: componentList) { |
| spillableComponent.endWindow(); |
| } |
| store.endWindow(); |
| } |
| |
| @Override |
| public void teardown() |
| { |
| for (SpillableComponent spillableComponent: componentList) { |
| spillableComponent.teardown(); |
| } |
| store.teardown(); |
| } |
| |
| @Override |
| public void beforeCheckpoint(long l) |
| { |
| store.beforeCheckpoint(l); |
| } |
| |
| @Override |
| public void checkpointed(long l) |
| { |
| store.checkpointed(l); |
| } |
| |
| @Override |
| public void committed(long l) |
| { |
| store.committed(l); |
| } |
| } |