Module io.xpipe.core

Package io.xpipe.core.impl

Class LimitTableReadConnection

java.lang.Object

io.xpipe.core.impl.LimitTableReadConnection

All Implemented Interfaces:

DataSourceConnection, DataSourceReadConnection, TableReadConnection, AutoCloseable

public class LimitTableReadConnection
extends Object
implements TableReadConnection

Constructor Summary

Constructors

Constructor	Description
LimitTableReadConnection(TableReadConnection connection, int maxCount)

Method Summary

Modifier and Type	Method	Description
boolean	canRead()
void	close()
TupleType	getDataType()	Returns the data type of the table data.
OptionalInt	getRowCount()	Returns the amount of rows to be read or -1 if the amount is unknown.
void	init()	Initializes this connection.
void	withRows(DataStructureNodeAcceptor<TupleNode> lineAcceptor)	Consumes the table rows until the acceptor returns false.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.xpipe.core.source.TableReadConnection

buffered, buffered, forward, forwardAndCount, forwardRows, limit, readRows

Constructor Details

LimitTableReadConnection

public LimitTableReadConnection(TableReadConnection connection,
 int maxCount)

Method Details

init

public void init()
          throws Exception

Description copied from interface: DataSourceConnection

Initializes this connection. Required to be called exactly once prior to attempting to use this connection.

Specified by:

init in interface DataSourceConnection

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Specified by:

close in interface DataSourceConnection

Throws:

Exception

getDataType

public TupleType getDataType()

Description copied from interface: TableReadConnection

Returns the data type of the table data.

Specified by:

getDataType in interface TableReadConnection

getRowCount

public OptionalInt getRowCount()
                        throws Exception

Description copied from interface: TableReadConnection

Returns the amount of rows to be read or -1 if the amount is unknown.

Specified by:

getRowCount in interface TableReadConnection

Throws:

Exception

withRows

public void withRows(DataStructureNodeAcceptor<TupleNode> lineAcceptor)
              throws Exception

Description copied from interface: TableReadConnection

Consumes the table rows until the acceptor returns false.

Specified by:

withRows in interface TableReadConnection

Throws:

Exception

canRead

public boolean canRead()
                throws Exception

Specified by:

canRead in interface DataSourceReadConnection

Throws:

Exception