turcsanyip commented on a change in pull request #3858: NIFI-6032 CDC for Oracle using xstream URL: https://github.com/apache/nifi/pull/3858#discussion_r342539235
########## File path: nifi-nar-bundles/nifi-oraclecdc-bundle/nifi-oraclecdc-processors/src/main/java/org/apache/nifi/processors/oraclecdc/OracleChangeCapture.java ########## @@ -0,0 +1,251 @@ +/* + * 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.nifi.processors.oraclecdc; + +import java.io.IOException; +import java.io.OutputStream; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +import org.apache.commons.codec.binary.Base32; +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.behavior.InputRequirement.Requirement; +import org.apache.nifi.annotation.behavior.ReadsAttribute; +import org.apache.nifi.annotation.behavior.ReadsAttributes; +import org.apache.nifi.annotation.behavior.Stateful; +import org.apache.nifi.annotation.behavior.TriggerSerially; +import org.apache.nifi.annotation.behavior.WritesAttribute; +import org.apache.nifi.annotation.behavior.WritesAttributes; +import org.apache.nifi.annotation.documentation.CapabilityDescription; +import org.apache.nifi.annotation.documentation.SeeAlso; +import org.apache.nifi.annotation.documentation.Tags; +import org.apache.nifi.annotation.lifecycle.OnScheduled; +import org.apache.nifi.annotation.lifecycle.OnShutdown; +import org.apache.nifi.annotation.lifecycle.OnStopped; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.state.Scope; +import org.apache.nifi.components.state.StateManager; +import org.apache.nifi.components.state.StateMap; +import org.apache.nifi.dbcp.DBCPService; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.processor.AbstractProcessor; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.ProcessorInitializationContext; +import org.apache.nifi.processor.Relationship; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.io.OutputStreamCallback; +import org.apache.nifi.processor.util.StandardValidators; +import org.nifi.oraclecdcservice.api.OracleCDCEventHandler; +import org.nifi.oraclecdcservice.api.OracleCDCService; + +@TriggerSerially +@Tags({ "Oracle", "CDC", "change capture" }) +@CapabilityDescription("capture oracle CDC changes using xstream api. " + + "Look at this link to see how to setup xstream outbound server on oracle db" + + " https://github.com/rkarthik29/oracle_cdc/blob/master/README.md";) +@SeeAlso({}) +@InputRequirement(Requirement.INPUT_FORBIDDEN) +@ReadsAttributes({ @ReadsAttribute(attribute = "", description = "") }) +@WritesAttributes({ @WritesAttribute(attribute = "cdc_type", description = "provides the type of cdc operation, " + + "ex.INSERT,UPDATE,DELETE,COMMIT") }) +@Stateful(scopes = Scope.CLUSTER, description = "After receiving cdc events from the xstream out server " + + "the processor will store the last position received in the state map. " + + "It will be used to set the low watermark for the next call") Review comment: Typp: missing period at the end of the sentence. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
