org.apache.nifi.serialization.record

Interface RecordSet

All Known Implementing Classes:

ListRecordSet, PushBackRecordSet, ResultSetRecordSet

public interface RecordSet

Method Summary

Modifier and Type	Method and Description
RecordSchema	getSchema()
default RecordSet	limit(int maxRecords) Returns a new Record Set that will return no more than maxRecords records from this RecordSet.
Record	next()
static RecordSet	of(RecordSchema schema, Record... records)

Method Detail

getSchema

RecordSchema getSchema()
                throws IOException

Returns:

the RecordSchema that applies to the records in this RecordSet

Throws:

IOException

next

Record next()
     throws IOException

Returns:

the next Record in the set or null if there are no more records

Throws:

IOException

limit

default RecordSet limit(int maxRecords)

Returns a new Record Set that will return no more than maxRecords records from this RecordSet. Any Records that are pulled from this newly created RecordSet will also advance the cursor in this Record Set and vice versa.

Parameters:

maxRecords - the maximum number of records to return from the new RecordSet

Returns:

a view of this RecordSet that limits the number of records returned

of

static RecordSet of(RecordSchema schema,
                    Record... records)