org.basex.data

Class ExprInfo

java.lang.Object

org.basex.data.ExprInfo

Direct Known Subclasses:

Expr, FTOpt, UserFuncs, VarContext, VarStack

public abstract class ExprInfo
extends java.lang.Object

Expression information, used for debugging and logging.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Constructor Summary

Constructors

Constructor and Description
ExprInfo()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	description() Returns a string description of the expression.
java.lang.String	info() Returns the simplified class name.
abstract void	plan(Serializer ser) Serializes the expression tree.
abstract java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprInfo

public ExprInfo()

Method Detail

description

public java.lang.String description()

Returns a string description of the expression. This method is only called by error messages. Contrary to the toString() method, arguments are not included in the output.

Returns:

result of check

info

public java.lang.String info()

Returns the simplified class name.

Returns:

class name

plan

public abstract void plan(Serializer ser)
                   throws java.io.IOException

Serializes the expression tree.

Parameters:

ser - serializer

Throws:

java.io.IOException - I/O exception

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object