Github user smarthi commented on a diff in the pull request:
https://github.com/apache/incubator-streams/pull/345#discussion_r94002347
--- Diff:
streams-contrib/streams-persist-cassandra/src/main/java/org/apache/streams/cassandra/CassandraPersistReader.java
---
@@ -0,0 +1,315 @@
+/*
+ * 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
+ *
+ * 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.streams.cassandra;
+
+import org.apache.streams.config.ComponentConfigurator;
+import org.apache.streams.config.StreamsConfigurator;
+import org.apache.streams.core.DatumStatusCounter;
+import org.apache.streams.core.StreamsDatum;
+import org.apache.streams.core.StreamsPersistReader;
+import org.apache.streams.core.StreamsResultSet;
+import org.apache.streams.jackson.StreamsJacksonMapper;
+
+import com.datastax.driver.core.Cluster;
+import com.datastax.driver.core.DataType;
+import com.datastax.driver.core.KeyspaceMetadata;
+import com.datastax.driver.core.Metadata;
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Row;
+import com.datastax.driver.core.Session;
+import com.datastax.driver.core.TableMetadata;
+import com.datastax.driver.core.querybuilder.QueryBuilder;
+import com.datastax.driver.core.schemabuilder.SchemaBuilder;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.base.Strings;
--- End diff --
We have moved to Java 8 since the 0.4.1 release, there's no need to use
Guava APIs. Replace with equivalent Java 8 or Apace Commns api
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