com.satline.expr
Class StringConstant

java.lang.Object
  com.satline.expr.StringConstant

All Implemented Interfaces:

Constant, Expression, java.io.Serializable

public class StringConstant
extends java.lang.Object
implements Constant

Definition of string constant expression.

Author:

Teubner

See Also:

Serialized Form

Constructor Summary

StringConstant()
Default constructor.

StringConstant(java.lang.String value)
Constructor from value.

Method Summary

boolean	equals(java.lang.Object obj) Compares this object against the specified object.
java.lang.String	getValue() Get value.
<E,F> E	greet(ExpressionWalker<E,F> visitor, F arg) Handle visit of ExpressionWalker.
int	hashCode()
void	setValue(java.lang.String value) Set value.
java.lang.String	toString() Get string representation.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

StringConstant

public StringConstant()

Default constructor.

StringConstant

public StringConstant(java.lang.String value)

Constructor from value.

Parameters:

value - - string value

Method Detail

getValue

public java.lang.String getValue()

Get value.

Returns:

value.

setValue

public void setValue(java.lang.String value)

Set value.

Parameters:

value - - string value.

greet

public <E,F> E greet(ExpressionWalker<E,F> visitor,
                     F arg)
        throws ExpressionException

Handle visit of ExpressionWalker.

Specified by:

greet in interface Expression

Parameters:

visitor - - the ExpressionWalker visiting this object

arg - - implementation dependent argument

Returns:

implementation dependent result

Throws:

ExpressionException

toString

public java.lang.String toString()

Get string representation.

Overrides:

toString in class java.lang.Object

Returns:

string representation

equals

public boolean equals(java.lang.Object obj)

Compares this object against the specified object. The result is true if and only if the argument is not null and is a StringConstant object with equal value as this object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - - object to compare with

Returns:

true if the objects are the same, false otherwise

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object