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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,180 @@ | ||
| package com.dmac.streams; | ||
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| import org.apache.kafka.streams.KeyValue; | ||
| import org.apache.kafka.streams.kstream.Transformer; | ||
| import org.apache.kafka.streams.processor.Processor; | ||
| import org.apache.kafka.streams.processor.ProcessorContext; | ||
| import org.apache.kafka.streams.processor.ProcessorSupplier; | ||
| import org.apache.kafka.streams.state.KeyValueStore; | ||
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| /** | ||
| * Created by dharshekthvel on 4/28/18. | ||
| */ | ||
| public class HDFSDataProcessSupplier implements ProcessorSupplier<String, String> { | ||
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| @Override | ||
| public Processor<String, String> get() { | ||
| return new HDFSDataProcessor(); | ||
| } | ||
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| } | ||
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| class HDFSDataProcessor implements Processor<String, String> { | ||
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| ProcessorContext processorContext = null; | ||
| private KeyValueStore<String, String> kvStore = null; | ||
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| @Override | ||
| public void init(ProcessorContext _processorContext) { | ||
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| this.processorContext = _processorContext; | ||
| //kvStore = (KeyValueStore) _processorContext.getStateStore("DATA_STORE"); | ||
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| // call the punctuate | ||
| this.processorContext.schedule(1000); | ||
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| } | ||
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| @Override | ||
| public void process(String key, String value) { | ||
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| // Do complex processing and forward it to next topic | ||
| processorContext.forward(key.concat("__HDFS_DATA__"), value.concat("__HDFS_DATA__")); | ||
| //kvStore.put(key.toUpperCase(),value.toUpperCase()); | ||
| } | ||
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| @Override | ||
| public void punctuate(long l) { | ||
| processorContext.commit(); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
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| //kvStore.close(); | ||
| } | ||
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| } | ||
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| class RuleEngineSupplier implements ProcessorSupplier<String, String> { | ||
| @Override | ||
| public Processor<String, String> get() { | ||
| return new RuleEngineProcessor(); | ||
| } | ||
| } | ||
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| class RuleEngineProcessor implements Processor<String, String> { | ||
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| ProcessorContext processorContext = null; | ||
| private KeyValueStore<String, String> kvStore = null; | ||
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| @Override | ||
| public void init(ProcessorContext _processorContext) { | ||
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| this.processorContext = _processorContext; | ||
| //kvStore = (KeyValueStore) _processorContext.getStateStore("LENGTH_STORE"); | ||
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| // call the punctuate | ||
| this.processorContext.schedule(1000); | ||
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| } | ||
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| @Override | ||
| public void process(String key, String value) { | ||
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| // Do complex processing and forward it to next topic | ||
| processorContext.forward(key.concat("__RULE_ENGINE_DATA__"), value.concat("__RULE_ENGINE_DATA__")); | ||
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| //kvStore.put(Integer.toString(key.length()), Integer.toString(value.length())); | ||
| } | ||
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| @Override | ||
| public void punctuate(long l) { | ||
| processorContext.commit(); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
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| //kvStore.close(); | ||
| } | ||
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| } | ||
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| class ElasticSearchSupplier implements ProcessorSupplier<String, String> { | ||
| @Override | ||
| public Processor<String, String> get() { | ||
| return new ElasticSearchProcessor(); | ||
| } | ||
| } | ||
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| class ElasticSearchProcessor implements Processor<String, String> { | ||
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| ProcessorContext processorContext = null; | ||
| private KeyValueStore<String, String> kvStore = null; | ||
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| @Override | ||
| public void init(ProcessorContext _processorContext) { | ||
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| this.processorContext = _processorContext; | ||
| //kvStore = (KeyValueStore) _processorContext.getStateStore("LENGTH_STORE"); | ||
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| // call the punctuate | ||
| this.processorContext.schedule(1000); | ||
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| } | ||
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| @Override | ||
| public void process(String key, String value) { | ||
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| // Do complex processing and forward it to next topic | ||
| processorContext.forward(key.concat("__ELASTIC_SEARCH__"), value.concat("__ELASTIC_SEARCH__")); | ||
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| //kvStore.put(Integer.toString(key.length()), Integer.toString(value.length())); | ||
| } | ||
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| @Override | ||
| public void punctuate(long l) { | ||
| processorContext.commit(); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
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| //kvStore.close(); | ||
| } | ||
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| } | ||
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| class RedisTransformer implements Transformer<String,String,KeyValue<String, String>> { | ||
| @Override | ||
| public void init(ProcessorContext context) { | ||
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| } | ||
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| @Override | ||
| public KeyValue<String, String> transform(String key, String value) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public KeyValue<String, String> punctuate(long timestamp) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public void close() { | ||
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| } | ||
| } |
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