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73 changes: 73 additions & 0 deletions
73
sylph-connectors/sylph-kafka/src/main/java/ideal/sylph/plugins/kafka/KafkaSourceConfig.java
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| /* | ||
| * Copyright (C) 2018 The Sylph Authors | ||
| * | ||
| * Licensed 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 ideal.sylph.plugins.kafka; | ||
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|
||
| import ideal.sylph.annotation.Description; | ||
| import ideal.sylph.annotation.Name; | ||
| import ideal.sylph.etl.PluginConfig; | ||
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| public class KafkaSourceConfig | ||
| extends PluginConfig | ||
| { | ||
| private static final long serialVersionUID = 2L; | ||
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| @Name("kafka_topic") | ||
| @Description("this is kafka topic list") | ||
| private String topics = "test1"; | ||
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| @Name("kafka_broker") | ||
| @Description("this is kafka broker list") | ||
| private String brokers = "localhost:9092"; | ||
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| @Name("kafka_group_id") | ||
| @Description("this is kafka_group_id") | ||
| private String groupid = "sylph_streamSql_test1"; | ||
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| @Name("auto.offset.reset") | ||
| @Description("this is auto.offset.reset mode") | ||
| private String offsetMode = "latest"; | ||
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| @Name("value_type") | ||
| @Description("this is kafka String value Type, use json") | ||
| private String valueType; | ||
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| public String getTopics() | ||
| { | ||
| return topics; | ||
| } | ||
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| public String getBrokers() | ||
| { | ||
| return brokers; | ||
| } | ||
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| public String getGroupid() | ||
| { | ||
| return groupid; | ||
| } | ||
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| public String getOffsetMode() | ||
| { | ||
| return offsetMode; | ||
| } | ||
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| public String getValueType() | ||
| { | ||
| return valueType; | ||
| } | ||
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| private KafkaSourceConfig() {} | ||
| } |
69 changes: 69 additions & 0 deletions
69
sylph-connectors/sylph-kafka/src/main/java/ideal/sylph/plugins/kafka/flink/JsonSchema.java
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| /* | ||
| * Copyright (C) 2018 The Sylph Authors | ||
| * | ||
| * Licensed 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 ideal.sylph.plugins.kafka.flink; | ||
|
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| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import ideal.sylph.etl.SourceContext; | ||
| import org.apache.flink.api.common.typeinfo.TypeInformation; | ||
| import org.apache.flink.api.java.typeutils.RowTypeInfo; | ||
| import org.apache.flink.api.java.typeutils.TypeExtractor; | ||
| import org.apache.flink.streaming.util.serialization.KeyedDeserializationSchema; | ||
| import org.apache.flink.types.Row; | ||
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| import java.io.IOException; | ||
| import java.util.Map; | ||
|
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| public class JsonSchema | ||
| implements KeyedDeserializationSchema<Row> | ||
| { | ||
| private static final ObjectMapper MAPPER = new ObjectMapper(); | ||
| private final RowTypeInfo rowTypeInfo; | ||
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| public JsonSchema(SourceContext context) | ||
| { | ||
| ideal.sylph.etl.Row.Schema schema = context.getSchema(); | ||
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| TypeInformation<?>[] types = schema.getFieldTypes().stream().map(TypeExtractor::createTypeInfo).toArray(TypeInformation<?>[]::new); | ||
| String[] names = schema.getFieldNames().toArray(new String[0]); | ||
| this.rowTypeInfo = new RowTypeInfo(types, names); | ||
| } | ||
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| @Override | ||
| public Row deserialize(byte[] messageKey, byte[] message, String topic, int partition, long offset) | ||
| throws IOException | ||
| { | ||
| @SuppressWarnings("unchecked") | ||
| Map<String, Object> map = MAPPER.readValue(message, Map.class); | ||
| String[] names = rowTypeInfo.getFieldNames(); | ||
| Row row = new Row(names.length); | ||
| for (int i = 0; i < names.length; i++) { | ||
| row.setField(i, map.get(names[i])); | ||
| } | ||
| return row; | ||
| } | ||
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| @Override | ||
| public boolean isEndOfStream(Row nextElement) | ||
| { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public TypeInformation<Row> getProducedType() | ||
| { | ||
| return rowTypeInfo; | ||
| } | ||
| } |
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26 changes: 26 additions & 0 deletions
26
sylph-etl-api/src/main/java/ideal/sylph/etl/SourceContext.java
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|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| * Copyright (C) 2018 The Sylph Authors | ||
| * | ||
| * Licensed 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 ideal.sylph.etl; | ||
|
|
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| import java.io.Serializable; | ||
|
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| public interface SourceContext | ||
| extends Serializable | ||
| { | ||
| public Row.Schema getSchema(); | ||
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| public String getSinkTable(); | ||
| } |
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