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oracle.adf.view.rich.model
Class AttributeDescriptor.Operator

java.lang.Object
oracle.adf.view.rich.model.AttributeDescriptor.Operator

Enclosing class:

AttributeDescriptor

public abstract class AttributeDescriptor.Operator

extends Object

Represents an operator supported by an attribute. Typically attributes support one or more operators based on its type. These operators are useful when performing queries.

Constructor Summary

AttributeDescriptor.Operator()

Method Summary

abstract String	getLabel() Gets the label for the operator.
abstract int	getOperandCount() Returns the number of operands required by an OperatorType instance.
abstract Object	getValue() Gets the value associated with the operator.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeDescriptor.Operator

public AttributeDescriptor.Operator()

Method Detail

getLabel

public abstract String getLabel()

Gets the label for the operator. This is used for display purposes.

Returns:

a String

getValue

public abstract Object getValue()

Gets the value associated with the operator. It is important that the Object representing the value, can be converted to String for use in a SelectItem.

Returns:

an Object.

getOperandCount

public abstract int getOperandCount()

Returns the number of operands required by an OperatorType instance. This may be useful in determining the number of input components to display for the operator and attribute.

Returns:

an int

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