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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef __com_sun_star_util_XChainable_idl__
#define __com_sun_star_util_XChainable_idl__

#include <com/sun/star/uno/XInterface.idl>

#include <com/sun/star/lang/IllegalArgumentException.idl>



module com {  module sun {  module star {  module util {


/** enables the object to be a member of a chain.
 */
published interface XChainable: com::sun::star::uno::XInterface
{
    /** @returns
                the previous object in this chain or NULL, if this is the first
                object of this chain.
     */
    com::sun::star::util::XChainable getPredecessor();

    /** @returns
                the next object in this chain or NULL, if this is the last
                object in this chain.
     */
    com::sun::star::util::XChainable getSuccessor();

    /** connects the specified object to this object as the successor in a chain.

        <p>This implies that this object will become the predecessor of
        <var>xChainable</var>.  </p>
     */
    void setSuccessor( [in] com::sun::star::util::XChainable xChainable )
            raises( com::sun::star::lang::IllegalArgumentException );

    /** checks if the specified object can be linked to this.
     */
    boolean isChainable( [in] com::sun::star::util::XChainable xChainable );

};


}; }; }; };

#endif

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