org.basex.query.xpath.locpath
Class Test

java.lang.Object
  org.basex.query.xpath.locpath.Test

Direct Known Subclasses:

TestName, TestNode, TestPI

public abstract class Test
extends java.lang.Object

Abstract NodeTest. Can be a node name test, node type test, ...

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Tim Petrowsky

Constructor Summary

Test()

Method Summary

void	compile(Data data) Optimizes the expression.
abstract boolean	eval(Data data, int pre, int kind) Evaluates a node test.
void	eval(Data data, int pre, int kind, NodeBuilder result) Evaluates a node test.
abstract boolean	sameAs(Test test) Checks current and specified class for equivalence.
abstract java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Test

public Test()

Method Detail

eval

public abstract boolean eval(Data data,
                             int pre,
                             int kind)

Evaluates a node test.

Parameters:

data - data reference

pre - pre value

kind - node kind

Returns:

result of evaluation

eval

public final void eval(Data data,
                       int pre,
                       int kind,
                       NodeBuilder result)

Evaluates a node test.

Parameters:

data - data reference

pre - pre value

kind - node kind

result - result nodes

compile

public void compile(Data data)

Optimizes the expression.

Parameters:

data - data reference

sameAs

public abstract boolean sameAs(Test test)

Checks current and specified class for equivalence.

Parameters:

test - node test to be compared

Returns:

result of check

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object