Bug 161383 Support page-break-inside property on report item
Need support page-break-inside property on report items
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/ElementDefn.java
*            The name space ID.
	 */
	void setNameSpaceID( int ns )
	{
		assert !isBuilt;
		nameSpaceID = ns;
		if ( nameSpaceID == MetaDataConstants.NO_NAME_SPACE )
			nameOption = MetaDataConstants.NO_NAME;
	}
	/**
	 * Sets the name option for the element. One of the following constants
	 * defined in {@link MetaDataConstants MetaDataConstants}:
	 * {@link MetaDataConstants#NO_NAME},
	 * {@link MetaDataConstants#OPTIONAL_NAME}, or
	 * {@link MetaDataConstants#REQUIRED_NAME}.
	 * 
	 * @param choice
	 *            The name option.
	 */
	void setNameOption( int choice )
	{
		nameOption = choice;
	}
	/**
	 * Sets whether the user can extend elements of this type.
	 * 
	 * @param flag
	 *            True if the element can be extended (default), or false if the
	 *            element cannot be extended.
	 */