Package net.sf.saxon.expr.sort

Class MergeInstr.MergeSource

java.lang.Object

net.sf.saxon.expr.sort.MergeInstr.MergeSource

Enclosing class:

MergeInstr

public static class MergeInstr.MergeSource
extends Object

Inner class representing one merge source

Field Summary

Fields

Modifier and Type	Field	Description
Set<Accumulator>	accumulators
String	baseURI
Operand	forEachItemOp
Operand	forEachStreamOp
Object	invertedAction
Location	location
SortKeyDefinitionList	mergeKeyDefinitions
Operand	rowSelectOp
SchemaType	schemaType
String	sourceName
boolean	streamable
int	validation

Constructor Summary

Constructors

Constructor	Description
MergeSource(MergeInstr mi)
MergeSource(MergeInstr instruction, Expression forEachItem, Expression forEachStream, Expression rSelect, String name, SortKeyDefinitionList sKeys, String baseURI)	Create a MergeSource object

Method Summary

Modifier and Type	Method	Description
MergeInstr.MergeSource	copyMergeSource(MergeInstr newInstr, RebindingMap rebindings)
Expression	getForEachItem()
Expression	getForEachSource()
SortKeyDefinitionList	getMergeKeyDefinitionSet()
Expression	getRowSelect()
void	initForEachItem(MergeInstr instruction, Expression forEachItem)
void	initForEachStream(MergeInstr instruction, Expression forEachStream)
void	initRowSelect(MergeInstr instruction, Expression rowSelect)
void	prepareForStreaming()
void	setForEachStream(Expression forEachStream)
void	setMergeKeyDefinitionSet(SortKeyDefinitionList keys)
void	setRowSelect(Expression rowSelect)
void	setStreamable(boolean streamable)

Methods inherited from class java.lang.Object

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

Field Details

location

public Location location

forEachItemOp

public Operand forEachItemOp

forEachStreamOp

public Operand forEachStreamOp

rowSelectOp

public Operand rowSelectOp

sourceName

public String sourceName

mergeKeyDefinitions

public SortKeyDefinitionList mergeKeyDefinitions

baseURI

public String baseURI

validation

public int validation

schemaType

public SchemaType schemaType

streamable

public boolean streamable

accumulators

public Set<Accumulator> accumulators

invertedAction

public Object invertedAction

Constructor Details

MergeSource

public MergeSource(MergeInstr mi)

MergeSource

public MergeSource(MergeInstr instruction,
 Expression forEachItem,
 Expression forEachStream,
 Expression rSelect,
 String name,
 SortKeyDefinitionList sKeys,
 String baseURI)

Create a MergeSource object

Parameters:

instruction - the xsl:merge-source instruction

forEachItem - the expression that selects anchor nodes, one per input sequence

forEachStream - the expression that selects URIs of anchor nodes, one per input sequence

rSelect - the select expression that selects items for the merge inputs, evaluated one per anchor node

name - the name of the xsl:merge-source, or null if none specified

sKeys - the merge key definitions

baseURI - the base URI of the xsl:merge-source instruction

Method Details

initForEachItem

public void initForEachItem(MergeInstr instruction,
 Expression forEachItem)

initForEachStream

public void initForEachStream(MergeInstr instruction,
 Expression forEachStream)

initRowSelect

public void initRowSelect(MergeInstr instruction,
 Expression rowSelect)

setStreamable

public void setStreamable(boolean streamable)

copyMergeSource

public MergeInstr.MergeSource copyMergeSource(MergeInstr newInstr,
 RebindingMap rebindings)

getForEachItem

public Expression getForEachItem()

getForEachSource

public Expression getForEachSource()

setForEachStream

public void setForEachStream(Expression forEachStream)

getRowSelect

public Expression getRowSelect()

setRowSelect

public void setRowSelect(Expression rowSelect)

getMergeKeyDefinitionSet

public SortKeyDefinitionList getMergeKeyDefinitionSet()

setMergeKeyDefinitionSet

public void setMergeKeyDefinitionSet(SortKeyDefinitionList keys)

prepareForStreaming

public void prepareForStreaming()
                         throws XPathException

Throws:

XPathException