WARN TextSocketSourceProvider: The socket source should not be used for production applications! It does not support recovery and stores state indefinitely.
TextSocketSourceProvider is a DataSourceRegister, too.
The short name of the data source is
It requires two mandatory options (that you can set using
hostwhich is the host name.
portwhich is the port number. It must be an integer.
TextSocketSourceProvider also supports includeTimestamp option that is a boolean flag that you can use to include timestamps in the schema.
createSource grabs the two mandatory options —
port — and returns an TextSocketSource.
textSocket as the name of the source and the schema that can be one of the two available schemas:
SCHEMA_REGULAR(default) which is a schema with a single
valuefield of String type.
includeTimestampflag option is set. It is not, i.e.
false, by default. The schema are
timestampfield of TimestampType type of format
|Read about schema.|
Internally, it starts by printing out the following WARN message to the logs:
It then checks whether
port parameters are defined and if not it throws a
Set a host to read from with option("host", ...).