javax.wbem.query
Class QualifiedAttributeExp

java.lang.Object
  |
  +--javax.wbem.query.ValueExp
        |
        +--javax.wbem.query.AttributeExp
              |
              +--javax.wbem.query.QualifiedAttributeExp

All Implemented Interfaces:

java.io.Serializable

public class QualifiedAttributeExp

extends AttributeExp

This class represents represents an attribute qualified by a classname and/or alias. If the attribute name is not set, this QualifiedAttributeExp merely represents a 'table'. WQL maps tables to classes. A QualifiedAttributeExp may be used anywhere a ValueExp is required.

Since:

WBEM 1.0

See Also:

ValueExp, Query, Serialized Form

Constructor Summary

QualifiedAttributeExp()

QualifiedAttributeExp(java.lang.String className, java.lang.String attr)
Creates a new QualifiedAttributeExp representing the object attribute for class named by .

QualifiedAttributeExp(java.lang.String className, java.lang.String alias, java.lang.String attr)
Creates a new QualifiedAttributeExp representing the object attribute for class named by .

Method Summary

ValueExp	apply(CIMElement obj) Method which returns the actual value associated with the attribute in the input 'row'.
java.lang.String	getAlias() Accessor for alias name.
java.lang.String	getAttrClassName() Accessor for className.
java.lang.String	getAttributeName() Accessor for attribute name.
java.lang.String	toString() Returns the SQL syntax string representing its value.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

QualifiedAttributeExp

public QualifiedAttributeExp(java.lang.String className,
                             java.lang.String attr)

Creates a new QualifiedAttributeExp representing the object attribute for class named by .

Parameters:

className - The class name of the qualified attribute.

attr - The attribute name which is qualified by the className.

QualifiedAttributeExp

public QualifiedAttributeExp(java.lang.String className,
                             java.lang.String alias,
                             java.lang.String attr)

Creates a new QualifiedAttributeExp representing the object attribute for class named by .

Parameters:

className - The class name of the qualified attribute.

alias - An alias for className. Currently aliases are not supported, but this constructor is retained for future enhancement.

attr - The attribute name which is qualified by the className.

QualifiedAttributeExp

public QualifiedAttributeExp()

Method Detail

apply

public ValueExp apply(CIMElement obj)
               throws CIMException

Method which returns the actual value associated with the attribute in the input 'row'. Currently this method is not supported.

Overrides:

apply in class AttributeExp

Throws:

CIMException - CIM_ERR_NOT_SUPPORTED is thrown

toString

public java.lang.String toString()

Returns the SQL syntax string representing its value.

Overrides:

toString in class AttributeExp

Returns:

The expression's string value in SQL syntax.

getAttrClassName

public java.lang.String getAttrClassName()

Accessor for className.

getAttributeName

public java.lang.String getAttributeName()

Accessor for attribute name.

Overrides:

getAttributeName in class AttributeExp

getAlias

public java.lang.String getAlias()

Accessor for alias name.