com.espertech.esper.rowregex

Class RowRegexExprNode

java.lang.Object

com.espertech.esper.rowregex.RowRegexExprNode

All Implemented Interfaces:

MetaDefItem, Serializable

Direct Known Subclasses:

RowRegexExprNodeAlteration, RowRegexExprNodeAtom, RowRegexExprNodeConcatenation, RowRegexExprNodeNested, RowRegexExprNodePermute

public abstract class RowRegexExprNode
extends Object
implements MetaDefItem, Serializable

Base node for

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RowRegexExprNode() Constructor creates a list of child nodes.

Method Summary

Modifier and Type	Method and Description
void	accept(RowRegexExprNodeVisitor visitor)
void	acceptChildnodes(RowRegexExprNodeVisitor visitor, RowRegexExprNode parent, int level)
void	addChildNode(RowRegexExprNode childNode) Adds a child node.
void	dumpDebug(String prefix) Recursively print out all nodes.
List<RowRegexExprNode>	getChildNodes() Returns list of child nodes.
abstract RowRegexExprNodePrecedenceEnum	getPrecedence()
void	replaceChildNode(RowRegexExprNode nodeToReplace, List<RowRegexExprNode> replacementNodes)
void	toEPL(StringWriter writer, RowRegexExprNodePrecedenceEnum parentPrecedence)
abstract void	toPrecedenceFreeEPL(StringWriter writer)

Methods inherited from class java.lang.Object

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

Constructor Detail

RowRegexExprNode

public RowRegexExprNode()

Constructor creates a list of child nodes.

Method Detail

getPrecedence

public abstract RowRegexExprNodePrecedenceEnum getPrecedence()

toPrecedenceFreeEPL

public abstract void toPrecedenceFreeEPL(StringWriter writer)

toEPL

public final void toEPL(StringWriter writer,
                        RowRegexExprNodePrecedenceEnum parentPrecedence)

addChildNode

public final void addChildNode(RowRegexExprNode childNode)

Adds a child node.

Parameters:

childNode - is the child evaluation tree node to add

getChildNodes

public final List<RowRegexExprNode> getChildNodes()

Returns list of child nodes.

Returns:

list of child nodes

dumpDebug

public final void dumpDebug(String prefix)

Recursively print out all nodes.

Parameters:

prefix - is printed out for naming the printed info

accept

public void accept(RowRegexExprNodeVisitor visitor)

acceptChildnodes

public void acceptChildnodes(RowRegexExprNodeVisitor visitor,
                             RowRegexExprNode parent,
                             int level)

replaceChildNode

public void replaceChildNode(RowRegexExprNode nodeToReplace,
                             List<RowRegexExprNode> replacementNodes)