public final class SocketSourceFunction
extends org.apache.flink.streaming.api.functions.source.RichSourceFunction<org.apache.flink.table.data.RowData>
implements org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>
SocketSourceFunction
opens a socket and consumes bytes.
It splits records by the given byte delimiter (`\n` by default) and delegates the decoding to
a pluggable DeserializationSchema
.
Note: This is only an example and should not be used in production. The source function is not fault-tolerant and can only work with a parallelism of 1.
构造器和说明 |
---|
SocketSourceFunction(String hostname,
int port,
byte byteDelimiter,
org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> deserializer) |
限定符和类型 | 方法和说明 |
---|---|
void |
cancel() |
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> |
getProducedType() |
void |
open(org.apache.flink.configuration.Configuration parameters) |
void |
run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<org.apache.flink.table.data.RowData> ctx) |
public SocketSourceFunction(String hostname, int port, byte byteDelimiter, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> deserializer)
public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> getProducedType()
getProducedType
在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>
public void open(org.apache.flink.configuration.Configuration parameters) throws Exception
open
在接口中 org.apache.flink.api.common.functions.RichFunction
open
在类中 org.apache.flink.api.common.functions.AbstractRichFunction
Exception
public void run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<org.apache.flink.table.data.RowData> ctx) throws Exception
run
在接口中 org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.table.data.RowData>
Exception
public void cancel()
cancel
在接口中 org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.table.data.RowData>
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