[ https://issues.apache.org/jira/browse/STORM-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008339#comment-15008339 ]
ASF GitHub Bot commented on STORM-1075: --------------------------------------- Github user satishd commented on a diff in the pull request: https://github.com/apache/storm/pull/827#discussion_r45036898 --- Diff: external/storm-cassandra/src/main/java/org/apache/storm/cassandra/client/ClusterFactory.java --- @@ -0,0 +1,71 @@ +/** + * 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.storm.cassandra.client; + +import com.datastax.driver.core.Cluster; +import com.datastax.driver.core.PlainTextAuthProvider; +import com.datastax.driver.core.QueryOptions; +import com.datastax.driver.core.policies.DowngradingConsistencyRetryPolicy; +import com.datastax.driver.core.policies.ExponentialReconnectionPolicy; +import com.datastax.driver.core.policies.RoundRobinPolicy; +import com.datastax.driver.core.policies.TokenAwarePolicy; +import org.apache.commons.lang3.StringUtils; +import org.apache.storm.cassandra.context.BaseBeanFactory; + +import java.util.Map; +import java.util.concurrent.TimeUnit; + +/** + * Default interface to build cassandra Cluster from the a Storm Topology configuration. + */ +public class ClusterFactory extends BaseBeanFactory<Cluster> { + + /** + * Creates a new Cluster based on the specified configuration. + * @param stormConf the storm configuration. + * @return a new a new {@link com.datastax.driver.core.Cluster} instance. + */ + @Override + protected Cluster make(Map<String, Object> stormConf) { + CassandraConf cassandraConf = new CassandraConf(stormConf); + + Cluster.Builder cluster = Cluster.builder() + .withoutJMXReporting() + .withoutMetrics() + .addContactPoints(cassandraConf.getNodes()) + .withPort(cassandraConf.getPort()) + .withRetryPolicy(DowngradingConsistencyRetryPolicy.INSTANCE) + .withReconnectionPolicy(new ExponentialReconnectionPolicy(100L, TimeUnit.MINUTES.toMillis(1))) --- End diff -- Better not to have hard coded timeout values. Create respective properties in config. > Storm Cassandra connector > ------------------------- > > Key: STORM-1075 > URL: https://issues.apache.org/jira/browse/STORM-1075 > Project: Apache Storm > Issue Type: Improvement > Components: storm-core > Reporter: Sriharsha Chintalapani > Assignee: Satish Duggana > -- This message was sent by Atlassian JIRA (v6.3.4#6332)