Package org.openlca.expressions

Class AbstractExpression

java.lang.Object

org.openlca.expressions.AbstractExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

AbstractNumericOperator, And, If, OpExponentiation, Or

public abstract class AbstractExpression
extends Object
implements Expression

Field Summary

Fields

Modifier and Type	Field	Description
protected ArrayList<Expression>	arguments
protected int	column
protected int	line

Constructor Summary

Constructors

Constructor	Description
AbstractExpression()

Method Summary

Modifier and Type	Method	Description
void	addArgument(int index, Expression expression)
void	addArgument(Expression expression)
void	check()
protected void	checkArgument(int position, Class<?> clazz)
protected void	checkArguments(Class<?>[] types)
protected void	checkArgumentsOfSameType(Class<?> clazz)
protected void	checkNoArguments()
int	getColumn()
int	getLine()
void	setPosition(int line, int column)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openlca.expressions.Expression

evaluate, getName, getResultType

Field Details

arguments

protected ArrayList<Expression> arguments

line

protected int line

column

protected int column

Constructor Details

AbstractExpression

public AbstractExpression()

Method Details

addArgument

public void addArgument(Expression expression)

Specified by:

addArgument in interface Expression

addArgument

public void addArgument(int index,
 Expression expression)

Specified by:

addArgument in interface Expression

setPosition

public void setPosition(int line,
 int column)

Specified by:

setPosition in interface Expression

getLine

public int getLine()

Specified by:

getLine in interface Expression

getColumn

public int getColumn()

Specified by:

getColumn in interface Expression

check

public void check()
           throws ExpressionException

Specified by:

check in interface Expression

Throws:

ExpressionException

checkArguments

protected void checkArguments(Class<?>[] types)
                       throws ExpressionException

Throws:

ExpressionException

checkArgument

protected void checkArgument(int position,
 Class<?> clazz)
                      throws ExpressionException

Throws:

ExpressionException

checkNoArguments

protected void checkNoArguments()
                         throws ExpressionException

Throws:

ExpressionException

checkArgumentsOfSameType

protected void checkArgumentsOfSameType(Class<?> clazz)
                                 throws ExpressionException

Throws:

ExpressionException