mondrian.olap4j
Class MondrianOlap4jMetadataElement

java.lang.Object
  mondrian.olap4j.MondrianOlap4jMetadataElement

All Implemented Interfaces:

OlapWrapper

Direct Known Subclasses:

MondrianOlap4jCatalog, MondrianOlap4jCube, MondrianOlap4jDatabase, MondrianOlap4jDimension, MondrianOlap4jHierarchy, MondrianOlap4jLevel, MondrianOlap4jMember, MondrianOlap4jNamedSet, MondrianOlap4jSchema

abstract class MondrianOlap4jMetadataElement
extends Object
implements OlapWrapper

Basic features of metadata elements in Mondrian's olap4j driver.

Author:

jhyde

Constructor Summary

MondrianOlap4jMetadataElement()

Method Summary

protected abstract OlapElement	getOlapElement() Returns the Mondrian metadata element inside this wrapper, or null if there is none.
boolean	isWrapperFor(Class<?> iface)
<T> T	unwrap(Class<T> iface)
protected <T> T	unwrapImpl(Class<T> iface) Helper for unwrap(Class) and isWrapperFor(Class).

Methods inherited from class java.lang.Object

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

Constructor Detail

MondrianOlap4jMetadataElement

MondrianOlap4jMetadataElement()

Method Detail

unwrapImpl

protected <T> T unwrapImpl(Class<T> iface)

Helper for unwrap(Class) and isWrapperFor(Class).

Type Parameters:

T - Type

Parameters:

iface - Desired interface

Returns:

This as desired interface, or null

getOlapElement

protected abstract OlapElement getOlapElement()

Returns the Mondrian metadata element inside this wrapper, or null if there is none.

Returns:

The Mondrian metadata element, if any

unwrap

public <T> T unwrap(Class<T> iface)
         throws SQLException

Specified by:

unwrap in interface OlapWrapper

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)

Specified by:

isWrapperFor in interface OlapWrapper