Class BlockEnumerator

java.lang.Object

org.aksw.commons.io.block.impl.BlockEnumerator

public class BlockEnumerator
extends Object

A helper that holds a reference to the current block and automatically closes it when advancing to the next one. * IterState.advance(); IterState.closeCurrent(); IterState.current();

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
Block	block
Ref<? extends Block>	blockRef
protected boolean	isFwd
Seekable	seekable
protected boolean	skipFirstClose
protected boolean	yieldSelf

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BlockEnumerator(boolean yieldSelf, Ref<? extends Block> blockRef, Seekable seekable, boolean isFwd, boolean skipFirstClose)

Method Summary

Modifier and Type	Method	Description
void	advance()	Move to the next or previous block based on the configured direction.
static BlockEnumerator	bwd(boolean yieldSelf, Ref<? extends Block> blockRef, Seekable seekable)
void	closeCurrent()
static BlockEnumerator	fwd(boolean yieldSelf, Ref<? extends Block> blockRef, boolean skipFirstClose)
static BlockEnumerator	fwd(boolean yieldSelf, Ref<? extends Block> blockRef, Seekable seekable)
static BlockEnumerator	fwd(boolean yieldSelf, Ref<? extends Block> blockRef, Seekable seekable, boolean skipFirstClose)
Block	getCurrentBlock()
Ref<? extends Block>	getCurrentBlockRef()
Seekable	getCurrentSeekable()
boolean	hasNext()

Methods inherited from class Object

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

Field Details

blockRef

public Ref<? extends Block> blockRef

block

public Block block

seekable

public Seekable seekable

yieldSelf

protected boolean yieldSelf

skipFirstClose

protected boolean skipFirstClose

isFwd

protected boolean isFwd

Constructor Details

BlockEnumerator

protected BlockEnumerator(boolean yieldSelf,
 Ref<? extends Block> blockRef,
 Seekable seekable,
 boolean isFwd,
 boolean skipFirstClose)

Method Details

getCurrentBlockRef

public Ref<? extends Block> getCurrentBlockRef()

getCurrentBlock

public Block getCurrentBlock()

getCurrentSeekable

public Seekable getCurrentSeekable()

hasNext

public boolean hasNext()

closeCurrent

public void closeCurrent()

advance

public void advance()

Move to the next or previous block based on the configured direction.

fwd

public static BlockEnumerator fwd(boolean yieldSelf,
 Ref<? extends Block> blockRef,
 Seekable seekable)

fwd

public static BlockEnumerator fwd(boolean yieldSelf,
 Ref<? extends Block> blockRef,
 Seekable seekable,
 boolean skipFirstClose)

fwd

public static BlockEnumerator fwd(boolean yieldSelf,
 Ref<? extends Block> blockRef,
 boolean skipFirstClose)

bwd

public static BlockEnumerator bwd(boolean yieldSelf,
 Ref<? extends Block> blockRef,
 Seekable seekable)