Module org.apache.lucene.core

Package org.apache.lucene.index

Class ExitableDirectoryReader.ExitablePointTree

java.lang.Object

org.apache.lucene.index.ExitableDirectoryReader.ExitablePointTree

All Implemented Interfaces:

Cloneable, PointValues.PointTree

Enclosing class:

ExitableDirectoryReader

private static class ExitableDirectoryReader.ExitablePointTree
extends Object
implements PointValues.PointTree

Field Summary

Fields

Modifier and Type	Field	Description
private int	calls
private final ExitableDirectoryReader.ExitableIntersectVisitor	exitableIntersectVisitor
private final PointValues.PointTree	in
private static final int	MAX_CALLS_BEFORE_QUERY_TIMEOUT_CHECK
private final PointValues	pointValues
private final QueryTimeout	queryTimeout

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ExitablePointTree(PointValues pointValues, PointValues.PointTree in, QueryTimeout queryTimeout)

Method Summary

Modifier and Type	Method	Description
private void	checkAndThrow()
private void	checkAndThrowWithSampling()	Throws ExitableDirectoryReader.ExitingReaderException if QueryTimeout.shouldExit() returns true, or if Thread.interrupted() returns true.
PointValues.PointTree	clone()	Clone, the current node becomes the root of the new tree.
byte[]	getMaxPackedValue()	Return the maximum packed value of the current node.
byte[]	getMinPackedValue()	Return the minimum packed value of the current node.
boolean	moveToChild()	Move to the first child node and return true upon success.
boolean	moveToParent()	Move to the parent node and return true upon success.
boolean	moveToSibling()	Move to the next sibling node and return true upon success.
long	size()	Return the number of points below the current node.
void	visitDocIDs(PointValues.IntersectVisitor visitor)	Visit all the docs below the current node.
void	visitDocValues(PointValues.IntersectVisitor visitor)	Visit all the docs and values below the current node.

Methods inherited from class java.lang.Object

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

Field Details

MAX_CALLS_BEFORE_QUERY_TIMEOUT_CHECK

private static final int MAX_CALLS_BEFORE_QUERY_TIMEOUT_CHECK

See Also:

• Constant Field Values

pointValues

private final PointValues pointValues

in

private final PointValues.PointTree in

exitableIntersectVisitor

private final ExitableDirectoryReader.ExitableIntersectVisitor exitableIntersectVisitor

queryTimeout

private final QueryTimeout queryTimeout

calls

private int calls

Constructor Details

ExitablePointTree

private ExitablePointTree(PointValues pointValues,
 PointValues.PointTree in,
 QueryTimeout queryTimeout)

Method Details

checkAndThrowWithSampling

private void checkAndThrowWithSampling()

Throws ExitableDirectoryReader.ExitingReaderException if QueryTimeout.shouldExit() returns true, or if Thread.interrupted() returns true.

checkAndThrow

private void checkAndThrow()

clone

public PointValues.PointTree clone()

Description copied from interface: PointValues.PointTree

Clone, the current node becomes the root of the new tree.

Specified by:

clone in interface PointValues.PointTree

Overrides:

clone in class Object

moveToChild

public boolean moveToChild()
                    throws IOException

Description copied from interface: PointValues.PointTree

Move to the first child node and return true upon success. Returns false for leaf nodes and true otherwise.

Specified by:

moveToChild in interface PointValues.PointTree

Throws:

IOException

moveToSibling

public boolean moveToSibling()
                      throws IOException

Description copied from interface: PointValues.PointTree

Move to the next sibling node and return true upon success. Returns false if the current node has no more siblings.

Specified by:

moveToSibling in interface PointValues.PointTree

Throws:

IOException

moveToParent

public boolean moveToParent()
                     throws IOException

Description copied from interface: PointValues.PointTree

Move to the parent node and return true upon success. Returns false for the root node and true otherwise.

Specified by:

moveToParent in interface PointValues.PointTree

Throws:

IOException

getMinPackedValue

public byte[] getMinPackedValue()

Description copied from interface: PointValues.PointTree

Return the minimum packed value of the current node.

Specified by:

getMinPackedValue in interface PointValues.PointTree

getMaxPackedValue

public byte[] getMaxPackedValue()

Description copied from interface: PointValues.PointTree

Return the maximum packed value of the current node.

Specified by:

getMaxPackedValue in interface PointValues.PointTree

size

public long size()

Description copied from interface: PointValues.PointTree

Return the number of points below the current node.

Specified by:

size in interface PointValues.PointTree

visitDocIDs

public void visitDocIDs(PointValues.IntersectVisitor visitor)
                 throws IOException

Description copied from interface: PointValues.PointTree

Visit all the docs below the current node.

Specified by:

visitDocIDs in interface PointValues.PointTree

Throws:

IOException

visitDocValues

public void visitDocValues(PointValues.IntersectVisitor visitor)
                    throws IOException

Description copied from interface: PointValues.PointTree

Visit all the docs and values below the current node.

Specified by:

visitDocValues in interface PointValues.PointTree

Throws:

IOException