com.satline.expr
Class UnaryTerm

java.lang.Object
  com.satline.expr.UnaryTerm

All Implemented Interfaces:

Expression, java.io.Serializable

Direct Known Subclasses:

AbsFunctionTerm, IsNotNullTerm, IsNullTerm, LengthFunctionTerm, LowerFunctionTerm, NegationTerm, SignChangeTerm, TrimFunctionTerm, UpperFunctionTerm

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

This class defines a binary term (having two operands) within an expression.

Author:

Teubner

See Also:

Serialized Form

Constructor Summary

protected	UnaryTerm() Default constructor.
protected	UnaryTerm(Expression operand) Constructor from attributes.

Method Summary

boolean	equals(java.lang.Object obj) Compares this object against the specified object.
Expression	getOperand() Get operand.
int	hashCode()
void	setOperand(Expression operand) Set operand.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.satline.expr.Expression

greet

Constructor Detail

UnaryTerm

protected UnaryTerm()

Default constructor.

UnaryTerm

protected UnaryTerm(Expression operand)

Constructor from attributes.

Parameters:

operand - - operand

Method Detail

getOperand

public Expression getOperand()

Get operand.

Returns:

operand.

setOperand

public void setOperand(Expression operand)

Set operand.

Parameters:

operand - - operand of term.

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 UnaryTerm object with equal operand and operator 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