Modifier and Type	Class and Description
pack-priv class	FilterExprWalker.filterExprOwner

Modifier and Type	Field and Description
private boolean	m_canDetachNodeset
private Expression	m_expr The contained expression.
private transient XNodeSet	m_exprObj The result of executing m_expr.
private boolean	m_mustHardReset
pack-priv static final long	serialVersionUID Hides com.sun.org.apache.xpath.internal.axes.AxesWalker.serialVersionUID.

Access	Constructor and Description
public	FilterExprWalker(WalkingIterator non-null reference to the parent iterator. locPathIterator) Construct a FilterExprWalker using a LocPathIterator.

Method Summary

Modifier and Type	Method and Description
public short	Returns: a constant to determine whether the node is accepted, rejected, or skipped, as defined above . acceptNode(int The node to check to see if it passes the filter or not. n) Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.acceptNode. This method needs to override AxesWalker.acceptNode because FilterExprWalkers don't need to, and shouldn't, do a node test.
public void	callPredicateVisitors(XPathVisitor The visitor whose appropriate method will be called. visitor) Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.callPredicateVisitors. This will traverse the heararchy, calling the visitor for each member.
public Object	Returns: A new FilterExprWalker that can be used without mutating this one. clone() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.clone. Get a cloned FilterExprWalker.
public boolean	deepEquals(Expression Another expression object. expr) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.deepEquals. Compare this object with another object and see if they are equal, include the sub heararchy.
public void	detach() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.detach. Detaches the walker from the set which it iterated over, releasing any computational resources and placing the iterator in the INVALID state.
public void	fixupVariables(List<QName> List of QNames that correspond to variables. This list should be searched backwards for the first qualified name that corresponds to the variable reference qname. The position of the QName in the vector from the start of the vector will be its position in the stack frame (but variables above the globalsTop value will need to be offset to the current stack frame). vars, int globalsSize) Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.fixupVariables. This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.
public int	Returns: One of WalkerFactory#BIT_DESCENDANT, etc. getAnalysisBits() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getAnalysisBits. Implements com.sun.org.apache.xpath.internal.axes.PathComponent.getAnalysisBits. Get the analysis bits for this walker, as defined in the WalkerFactory.
public int	Returns: Axis.CHILD, etc., or -1 if the axis is not known or is of multiple types. getAxis() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getAxis. Returns the axis being iterated, if it is known.
public Expression	getInnerExpression() Get the inner contained expression of this filter.
public int	Returns: the index of the last node that can be itterated to. getLastPos(XPathContext XPath runtime context. xctxt) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getLastPos. Implements com.sun.org.apache.xpath.internal.axes.SubContextList.getLastPos. Get the index of the last node that can be itterated to.
public int	Returns: The new node, or `null` if the current node has no next node in the TreeWalker's logical view. getNextNode() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getNextNode. Moves the `TreeWalker` to the next visible node in document order relative to the current node, and returns the new node.
public void	init(Compiler non-null reference to the Compiler that is constructing. compiler, int positive opcode position for this step. opPos, int The type of step. stepType) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.init. Init a FilterExprWalker.
public boolean	Returns: true as a default. isDocOrdered() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.isDocOrdered. Returns true if all the nodes in the iteration well be returned in document order.
public void	setInnerExpression(Expression expr) Set the inner contained expression of this filter.
public void	setRoot(int non-null reference to the root, or starting point of the query. root) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.setRoot. Set the root node of the TreeWalker.

Inherited from com.sun.org.apache.xpath.internal.axes.AxesWalker:: callVisitors cloneDeep findClone getCurrentNode getDTM getExpression getNextWalker getPrevWalker getRoot nextNode setDefaultDTM setExpression setNextWalker setPrevWalker wi

Field Detail

m_canDetachNodeset	back to summary
private boolean m_canDetachNodeset

m_expr	back to summary
private Expression m_expr The contained expression. Should be non-null.

m_exprObj	back to summary
private transient XNodeSet m_exprObj The result of executing m_expr. Needs to be deep cloned on clone op.

m_mustHardReset	back to summary
private boolean m_mustHardReset

serialVersionUID	back to summary
pack-priv static final long serialVersionUID Hides com.sun.org.apache.xpath.internal.axes.AxesWalker.serialVersionUID.

Constructor Detail

FilterExprWalker	back to summary
public FilterExprWalker(WalkingIterator locPathIterator) Construct a FilterExprWalker using a LocPathIterator. Parameters locPathIterator:WalkingIterator non-null reference to the parent iterator.

FilterExprWalker

back to summary

public FilterExprWalker(WalkingIterator locPathIterator)

Construct a FilterExprWalker using a LocPathIterator.

Parameters

locPathIterator:WalkingIterator: non-null reference to the parent iterator.

Method Detail

acceptNode	back to summary
public short acceptNode(int n) Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.acceptNode. This method needs to override AxesWalker.acceptNode because FilterExprWalkers don't need to, and shouldn't, do a node test. Parameters n:int The node to check to see if it passes the filter or not. Returns:short a constant to determine whether the node is accepted, rejected, or skipped, as defined above .

acceptNode

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public short acceptNode(int n)

Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.acceptNode.

This method needs to override AxesWalker.acceptNode because FilterExprWalkers don't need to, and shouldn't, do a node test.

Parameters

n:int: The node to check to see if it passes the filter or not.

Returns:short

a constant to determine whether the node is accepted, rejected, or skipped, as defined above .

callPredicateVisitors	back to summary
public void callPredicateVisitors(XPathVisitor visitor) Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.callPredicateVisitors. This will traverse the heararchy, calling the visitor for each member. If the called visitor method returns false, the subtree should not be called. Parameters visitor:XPathVisitor The visitor whose appropriate method will be called.

callPredicateVisitors

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public void callPredicateVisitors(XPathVisitor visitor)

Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.callPredicateVisitors.

This will traverse the heararchy, calling the visitor for each member. If the called visitor method returns false, the subtree should not be called.

Parameters

visitor:XPathVisitor: The visitor whose appropriate method will be called.

clone back to summary

clone	back to summary
public Object clone() throws CloneNotSupportedException Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.clone. Get a cloned FilterExprWalker. Returns:Object A new FilterExprWalker that can be used without mutating this one. Exceptions CloneNotSupportedException: Doc from java.lang.Object.clone. if the object's class does not support the `Cloneable` interface. Subclasses that override the `clone` method can also throw this exception to indicate that an instance cannot be cloned.

public Object clone() throws CloneNotSupportedException

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.clone.

Get a cloned FilterExprWalker.

Returns:Object

A new FilterExprWalker that can be used without mutating this one.

Exceptions

CloneNotSupportedException:

Doc from java.lang.Object.clone.

if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.

deepEquals back to summary

deepEquals	back to summary
public boolean deepEquals(Expression expr) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.deepEquals. Doc from com.sun.org.apache.xpath.internal.Expression.deepEquals. Compare this object with another object and see if they are equal, include the sub heararchy. Parameters expr:Expression Another expression object. Returns:boolean true if this objects class and the expr object's class are the same, and the data contained within both objects are considered equal. See Also `Expression#deepEquals(Expression)`

public boolean deepEquals(Expression expr)

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.deepEquals.

Doc from com.sun.org.apache.xpath.internal.Expression.deepEquals.

Compare this object with another object and see if they are equal, include the sub heararchy.

Parameters

expr:Expression: Another expression object.

Returns:boolean

true if this objects class and the expr object's class are the same, and the data contained within both objects are considered equal.

See Also

Expression#deepEquals(Expression)

detach	back to summary
public void detach() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.detach. Detaches the walker from the set which it iterated over, releasing any computational resources and placing the iterator in the INVALID state.

detach

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public void detach()

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.detach.

Detaches the walker from the set which it iterated over, releasing any computational resources and placing the iterator in the INVALID state.

fixupVariables	back to summary
public void fixupVariables(List<QName> vars, int globalsSize) Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.fixupVariables. This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time. Parameters vars:List<QName> List of QNames that correspond to variables. This list should be searched backwards for the first qualified name that corresponds to the variable reference qname. The position of the QName in the vector from the start of the vector will be its position in the stack frame (but variables above the globalsTop value will need to be offset to the current stack frame).

fixupVariables

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public void fixupVariables(List<QName> vars, int globalsSize)

Overrides com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest.fixupVariables.

This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.

Parameters

vars:List<QName>: List of QNames that correspond to variables. This list should be searched backwards for the first qualified name that corresponds to the variable reference qname. The position of the QName in the vector from the start of the vector will be its position in the stack frame (but variables above the globalsTop value will need to be offset to the current stack frame).

getAnalysisBits	back to summary
public int getAnalysisBits() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getAnalysisBits. Implements com.sun.org.apache.xpath.internal.axes.PathComponent.getAnalysisBits. Get the analysis bits for this walker, as defined in the WalkerFactory. Returns:int One of WalkerFactory#BIT_DESCENDANT, etc.

getAnalysisBits

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public int getAnalysisBits()

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getAnalysisBits.

Implements com.sun.org.apache.xpath.internal.axes.PathComponent.getAnalysisBits.

Get the analysis bits for this walker, as defined in the WalkerFactory.

Returns:int: One of WalkerFactory#BIT_DESCENDANT, etc.

getAxis	back to summary
public int getAxis() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getAxis. Returns the axis being iterated, if it is known. Returns:int Axis.CHILD, etc., or -1 if the axis is not known or is of multiple types.

getAxis

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public int getAxis()

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getAxis.

Returns the axis being iterated, if it is known.

Returns:int: Axis.CHILD, etc., or -1 if the axis is not known or is of multiple types.

getInnerExpression	back to summary
public Expression getInnerExpression() Get the inner contained expression of this filter.

getLastPos	back to summary
public int getLastPos(XPathContext xctxt) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getLastPos. Implements com.sun.org.apache.xpath.internal.axes.SubContextList.getLastPos. Get the index of the last node that can be itterated to. Parameters xctxt:XPathContext XPath runtime context. Returns:int the index of the last node that can be itterated to.

getLastPos

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public int getLastPos(XPathContext xctxt)

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getLastPos.

Implements com.sun.org.apache.xpath.internal.axes.SubContextList.getLastPos.

Get the index of the last node that can be itterated to.

Parameters

xctxt:XPathContext: XPath runtime context.

Returns:int

the index of the last node that can be itterated to.

getNextNode back to summary

getNextNode	back to summary
public int getNextNode() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getNextNode. Moves the `TreeWalker` to the next visible node in document order relative to the current node, and returns the new node. If the current node has no next node, or if the search for nextNode attempts to step upward from the TreeWalker's root node, returns `null` , and retains the current node. Returns:int The new node, or `null` if the current node has no next node in the TreeWalker's logical view.

public int getNextNode()

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.getNextNode.

Moves the TreeWalker to the next visible node in document order relative to the current node, and returns the new node. If the current node has no next node, or if the search for nextNode attempts to step upward from the TreeWalker's root node, returns null , and retains the current node.

Returns:int: The new node, or null if the current node has no next node in the TreeWalker's logical view.

init	back to summary
public void init(Compiler compiler, int opPos, int stepType) throws TransformerException Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.init. Init a FilterExprWalker. Parameters compiler:Compiler non-null reference to the Compiler that is constructing. opPos:int positive opcode position for this step. stepType:int The type of step. Annotations @SuppressWarnings:fallthrough

init

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public void init(Compiler compiler, int opPos, int stepType) throws TransformerException

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.init.

Init a FilterExprWalker.

Parameters

compiler:Compiler: non-null reference to the Compiler that is constructing.
opPos:int: positive opcode position for this step.
stepType:int: The type of step.

Annotations

@SuppressWarnings:fallthrough

isDocOrdered	back to summary
public boolean isDocOrdered() Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.isDocOrdered. Returns true if all the nodes in the iteration well be returned in document order. Warning This can only be called after setRoot has been called! Returns:boolean true as a default.

isDocOrdered

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public boolean isDocOrdered()

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.isDocOrdered.

Returns true if all the nodes in the iteration well be returned in document order.

Warning

This can only be called after setRoot has been called!

Returns:boolean: true as a default.

setInnerExpression	back to summary
public void setInnerExpression(Expression expr) Set the inner contained expression of this filter.

setRoot	back to summary
public void setRoot(int root) Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.setRoot. Set the root node of the TreeWalker. Parameters root:int non-null reference to the root, or starting point of the query.

setRoot

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public void setRoot(int root)

Overrides com.sun.org.apache.xpath.internal.axes.AxesWalker.setRoot.

Set the root node of the TreeWalker.

Parameters

root:int: non-null reference to the root, or starting point of the query.

com.sun.org.apache.xpath.internal.axes back to summary

pack-priv Class FilterExprWalker.filterExprOwner

Class Inheritance

extends Object
implements ExpressionOwner

java.lang.Object
com.sun.org.apache.xpath.internal.axes.FilterExprWalker.filterExprOwner

All Implemented Interfaces

com.sun.org.apache.xpath.internal.ExpressionOwner

Constructor Summary

Access	Constructor and Description
pack-priv	filterExprOwner()

Method Summary

Modifier and Type	Method and Description
public Expression	getExpression() Implements com.sun.org.apache.xpath.internal.ExpressionOwner.getExpression. Get the raw Expression object that this class wraps.
public void	setExpression(Expression the raw Expression object, which should not normally be null. exp) Implements com.sun.org.apache.xpath.internal.ExpressionOwner.setExpression. Set the raw expression object for this object.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

filterExprOwner	back to summary
pack-priv filterExprOwner()

Method Detail

getExpression back to summary

getExpression	back to summary
public Expression getExpression() Implements com.sun.org.apache.xpath.internal.ExpressionOwner.getExpression. Doc from com.sun.org.apache.xpath.internal.ExpressionOwner.getExpression. Get the raw Expression object that this class wraps. Returns:Expression the raw Expression object, which should not normally be null. See Also `ExpressionOwner#getExpression()`

public Expression getExpression()

Implements com.sun.org.apache.xpath.internal.ExpressionOwner.getExpression.

Doc from com.sun.org.apache.xpath.internal.ExpressionOwner.getExpression.

Get the raw Expression object that this class wraps.

Returns:Expression: the raw Expression object, which should not normally be null.
See Also: ExpressionOwner#getExpression()

setExpression back to summary

setExpression	back to summary
public void setExpression(Expression exp) Implements com.sun.org.apache.xpath.internal.ExpressionOwner.setExpression. Doc from com.sun.org.apache.xpath.internal.ExpressionOwner.setExpression. Set the raw expression object for this object. Parameters exp:Expression the raw Expression object, which should not normally be null. See Also `ExpressionOwner#setExpression(Expression)`

public void setExpression(Expression exp)

Implements com.sun.org.apache.xpath.internal.ExpressionOwner.setExpression.

Doc from com.sun.org.apache.xpath.internal.ExpressionOwner.setExpression.

Set the raw expression object for this object.

Parameters

exp:Expression: the raw Expression object, which should not normally be null.

public Class FilterExprWalker

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

pack-priv Class FilterExprWalker.filterExprOwner

Constructor Summary

Method Summary

Constructor Detail

Method Detail