| /* |
| * 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.cdc.thin; |
| |
| import org.apache.ignite.Ignition; |
| import org.apache.ignite.cdc.AbstractIgniteCdcStreamer; |
| import org.apache.ignite.cdc.conflictresolve.CacheVersionConflictResolverImpl; |
| import org.apache.ignite.cdc.kafka.KafkaToIgniteCdcStreamer; |
| import org.apache.ignite.client.IgniteClient; |
| import org.apache.ignite.configuration.ClientConfiguration; |
| import org.apache.ignite.internal.binary.BinaryContext; |
| import org.apache.ignite.internal.cdc.CdcMain; |
| import org.apache.ignite.internal.client.thin.ClientBinary; |
| import org.apache.ignite.internal.processors.metric.MetricRegistry; |
| import org.apache.ignite.internal.util.typedef.internal.A; |
| |
| /** |
| * Change Data Consumer that streams all data changes to destination cluster through Ignite thin client. |
| * <p/> |
| * Consumer will just fail in case of any error during write. Fail of consumer will lead to the fail of {@code ignite-cdc} application. |
| * It expected that {@code ignite-cdc} will be configured for automatic restarts with the OS tool to failover temporary errors |
| * such as destination cluster unavailability or other issues. |
| * <p/> |
| * If you have plans to apply written messages to the other Ignite cluster in active-active manner, |
| * e.g. concurrent updates of the same entry in other cluster is possible, |
| * please, be aware of {@link CacheVersionConflictResolverImpl} conflict resolved. |
| * Configuration of {@link CacheVersionConflictResolverImpl} can be found in {@link KafkaToIgniteCdcStreamer} documentation. |
| * |
| * @see IgniteClient |
| * @see CdcMain |
| * @see CacheVersionConflictResolverImpl |
| */ |
| public class IgniteToIgniteClientCdcStreamer extends AbstractIgniteCdcStreamer { |
| /** Ignite thin client configuration. */ |
| private ClientConfiguration destClientCfg; |
| |
| /** Ignite thin client. */ |
| private IgniteClient dest; |
| |
| /** {@inheritDoc} */ |
| @Override public void start(MetricRegistry mreg) { |
| super.start(mreg); |
| |
| if (log.isInfoEnabled()) |
| log.info("Ignite To Ignite Client Streamer [cacheIds=" + cachesIds + ']'); |
| |
| A.notNull(destClientCfg, "Destination thin client configuration"); |
| |
| dest = Ignition.startClient(destClientCfg); |
| |
| applier = new CdcEventsIgniteClientApplier(dest, maxBatchSize, log); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected BinaryContext binaryContext() { |
| return ((ClientBinary)dest.binary()).binaryContext(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void stop() { |
| dest.close(); |
| } |
| |
| /** |
| * Sets Ignite thin client configuration that will connect to destination cluster. |
| * |
| * @param destClientCfg Ignite thin client configuration that will connect to destination cluster. |
| * @return {@code this} for chaining. |
| */ |
| public IgniteToIgniteClientCdcStreamer setDestinationClientConfiguration(ClientConfiguration destClientCfg) { |
| this.destClientCfg = destClientCfg; |
| |
| return this; |
| } |
| } |