local.tomas.expr
Class UnaryTerm

java.lang.Object
  local.tomas.expr.UnaryTerm

All Implemented Interfaces:

Serializable, Expression

Direct Known Subclasses:

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

public abstract class UnaryTerm
extends 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(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 local.tomas.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(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 Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object