org.apache.derbyTesting.functionTests.tests.jdbcapi

Class Derby2017LayerATest.FailingReader

java.lang.Object

java.io.Reader

org.apache.derbyTesting.functionTests.tests.jdbcapi.Derby2017LayerATest.FailingReader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable

Enclosing class:

Derby2017LayerATest

public static class Derby2017LayerATest.FailingReader
extends java.io.Reader

WARNING: This reader is not a general purpose reader!!!

Reader thrown an exception when a certain amount of characters has been returned (or is about to be returned).

Field Summary

Fields

Modifier and Type	Field and Description
private long	failAtPos
private LoopingAlphabetReader	in
private long	pos

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
FailingReader(long length, long failAtPos) Creates a new failing reader.

Method Summary

Modifier and Type	Method and Description
void	close()
int	read()
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.Reader

mark, markSupported, read, read, ready, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

in

private final LoopingAlphabetReader in

failAtPos

private final long failAtPos

pos

private long pos

Constructor Detail

FailingReader

public FailingReader(long length,
                     long failAtPos)

Creates a new failing reader.

Parameters:

length - the total length of the source

failAtPos - the position to fail at (specifying zero or a negative value causes an exception on the first read request)

Method Detail

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.Reader

Throws:

java.io.IOException

read

public int read(char[] cbuf,
                int off,
                int len)
         throws java.io.IOException

Specified by:

read in class java.io.Reader

Throws:

java.io.IOException

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class java.io.Reader