public final class SocketDynamicTableSource extends Object implements org.apache.flink.table.connector.source.ScanTableSource
SocketDynamicTableSource
is used during planning.
In our example, we don't implement any of the available ability interfaces such as SupportsFilterPushDown
or SupportsProjectionPushDown
. Therefore, the main logic can be found in ScanTableSource.getScanRuntimeProvider(ScanContext)
where we instantiate the required SourceFunction
and its DeserializationSchema
for
runtime. Both instances are parameterized to return internal data structures (i.e. RowData
).
构造器和说明 |
---|
SocketDynamicTableSource(String hostname,
int port,
byte byteDelimiter,
org.apache.flink.table.connector.format.DecodingFormat<org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>> decodingFormat,
org.apache.flink.table.types.DataType producedDataType) |
限定符和类型 | 方法和说明 |
---|---|
String |
asSummaryString() |
org.apache.flink.table.connector.source.DynamicTableSource |
copy() |
org.apache.flink.table.connector.ChangelogMode |
getChangelogMode() |
org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider |
getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext runtimeProviderContext) |
public SocketDynamicTableSource(String hostname, int port, byte byteDelimiter, org.apache.flink.table.connector.format.DecodingFormat<org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>> decodingFormat, org.apache.flink.table.types.DataType producedDataType)
public org.apache.flink.table.connector.ChangelogMode getChangelogMode()
getChangelogMode
在接口中 org.apache.flink.table.connector.source.ScanTableSource
public org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext runtimeProviderContext)
getScanRuntimeProvider
在接口中 org.apache.flink.table.connector.source.ScanTableSource
public org.apache.flink.table.connector.source.DynamicTableSource copy()
copy
在接口中 org.apache.flink.table.connector.source.DynamicTableSource
public String asSummaryString()
asSummaryString
在接口中 org.apache.flink.table.connector.source.DynamicTableSource
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