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| * software distributed under the License is distributed on an * |
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| * specific language governing permissions and limitations * |
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| ****************************************************************/ |
| |
| package org.apache.james.modules.mailbox; |
| |
| import java.io.FileNotFoundException; |
| import java.util.concurrent.ExecutionException; |
| |
| import javax.inject.Singleton; |
| |
| import org.apache.commons.configuration.ConfigurationException; |
| import org.apache.commons.configuration.PropertiesConfiguration; |
| import org.apache.james.filesystem.api.FileSystem; |
| import org.apache.james.mailbox.elasticsearch.ClientProvider; |
| import org.apache.james.mailbox.elasticsearch.ClientProviderImpl; |
| import org.apache.james.mailbox.elasticsearch.IndexCreationFactory; |
| import org.apache.james.mailbox.elasticsearch.NodeMappingFactory; |
| import org.apache.james.mailbox.elasticsearch.events.ElasticSearchListeningMessageSearchIndex; |
| import org.apache.james.mailbox.store.extractor.TextExtractor; |
| import org.apache.james.mailbox.store.search.ListeningMessageSearchIndex; |
| import org.apache.james.mailbox.store.search.MessageSearchIndex; |
| import org.apache.james.mailbox.tika.extractor.TikaTextExtractor; |
| import org.elasticsearch.client.Client; |
| import org.elasticsearch.client.transport.NoNodeAvailableException; |
| |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Provides; |
| import com.google.inject.Scopes; |
| import com.nurkiewicz.asyncretry.AsyncRetryExecutor; |
| |
| public class ElasticSearchMailboxModule extends AbstractModule { |
| |
| private static final int DEFAULT_CONNECTION_MAX_RETRIES = 7; |
| private static final int DEFAULT_CONNECTION_MIN_DELAY = 3000; |
| |
| @Override |
| protected void configure() { |
| bind(ElasticSearchListeningMessageSearchIndex.class).in(Scopes.SINGLETON); |
| bind(MessageSearchIndex.class).to(ElasticSearchListeningMessageSearchIndex.class); |
| bind(ListeningMessageSearchIndex.class).to(ElasticSearchListeningMessageSearchIndex.class); |
| |
| bind(TikaTextExtractor.class).in(Scopes.SINGLETON); |
| bind(TextExtractor.class).to(TikaTextExtractor.class); |
| } |
| |
| @Provides |
| @Singleton |
| protected Client provideClientProvider(FileSystem fileSystem, AsyncRetryExecutor executor) throws ConfigurationException, FileNotFoundException, ExecutionException, InterruptedException { |
| PropertiesConfiguration propertiesReader = new PropertiesConfiguration(fileSystem.getFile(FileSystem.FILE_PROTOCOL_AND_CONF + "elasticsearch.properties")); |
| |
| ClientProvider clientProvider = new ClientProviderImpl(propertiesReader.getString("elasticsearch.masterHost"), |
| propertiesReader.getInt("elasticsearch.port")); |
| Client client = getRetryer(executor, propertiesReader) |
| .getWithRetry(ctx -> clientProvider.get()).get(); |
| IndexCreationFactory.createIndex(client, |
| propertiesReader.getInt("elasticsearch.nb.shards"), |
| propertiesReader.getInt("elasticsearch.nb.replica")); |
| NodeMappingFactory.applyMapping(client); |
| return client; |
| } |
| |
| private static AsyncRetryExecutor getRetryer(AsyncRetryExecutor executor, PropertiesConfiguration configuration) { |
| return executor |
| .withProportionalJitter() |
| .retryOn(NoNodeAvailableException.class) |
| .withMaxRetries(configuration.getInt("elasticsearch.retryConnection.maxRetries", DEFAULT_CONNECTION_MAX_RETRIES)) |
| .withMinDelay(configuration.getInt("elasticsearch.retryConnection.minDelay", DEFAULT_CONNECTION_MIN_DELAY)); |
| } |
| |
| } |