com.acsinet_solutions.util.expr
Class AbstractExpression

java.lang.Object
  com.acsinet_solutions.util.expr.AbstractExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

SimpleExpression

public abstract class AbstractExpression
extends java.lang.Object
implements Expression

Abstract expression implementation

Author:

Santiago Arriaga

Constructor Summary

AbstractExpression(java.lang.String type)
Public constructor

Method Summary

java.lang.Object	getExpression(int pos) Get the subexpression at the given position
java.lang.String	getType() Return the Condition type.
int	size() Return the expression list size

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.acsinet_solutions.util.expr.Expression

getExpressions

Constructor Detail

AbstractExpression

public AbstractExpression(java.lang.String type)

Public constructor

Parameters:

type - A not-null not-empty String instance, typically from com.acsinet_solutions.cetia4.expr.ExpressionTypes

Method Detail

getType

public final java.lang.String getType()

Description copied from interface: Expression

Return the Condition type. Common condition types are listed in com.acsinet_solutions.util.expr.ExpressionTypes interface.

Specified by:

getType in interface Expression

Returns:

A not-null not-empty String instance

size

public final int size()

Description copied from interface: Expression

Return the expression list size

Specified by:

size in interface Expression

Returns:

A nonnegative int value

getExpression

public final java.lang.Object getExpression(int pos)

Description copied from interface: Expression

Get the subexpression at the given position

Specified by:

getExpression in interface Expression

Parameters:

pos - A nonnegative int value < size()

Returns:

A maybe-null Object instance