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#ifndef __com_sun_star_container_XMap_idl__
#define __com_sun_star_container_XMap_idl__

#include <com/sun/star/beans/IllegalTypeException.idl>
#include <com/sun/star/lang/IllegalArgumentException.idl>
#include <com/sun/star/container/NoSuchElementException.idl>
#include <com/sun/star/lang/NoSupportException.idl>
#include <com/sun/star/container/XElementAccess.idl>

//=============================================================================

module com { module sun { module star { module container {

//=============================================================================

/** describes a map between keys and values.

    <p>Keys in the map are unique, and each key maps to exactly one value.</p>

    <p>Locating elements in the map, both values and keys, requires a notion of equality of two objects.
    In conformance with the <a href="http://udk.openoffice.org/common/man/typesystem.html">UNO type system</a>,
    two values are said to be equal if and only if they have the same type, and both denote the same element of this
    type's value set.</p>

    @see <type>Map</type> for a default implementation of this interface
*/
interface XMap
{
    interface XElementAccess;

    /** denotes the type of the keys in the map.

        <p>Implementations are free to accept any supertype of <code>KeyType</code> as keys.</p>
    */
    [attribute, readonly]   type    KeyType;

    /** denotes the type of the values in the map.

        <p>Implementations are free to accept any supertype of the <code>ValueType</code> as values.</p>
    */
    [attribute, readonly]   type    ValueType;

    /** clears the map, removing all key-value pairs from it.

        @throws ::com::sun::star::beans::NoSupportException
            if the map is not mutable.
    */
    void clear()
        raises( ::com::sun::star::lang::NoSupportException );

    /** determines whether a mapping for he given key exists in the map

        @param Key
            is the key whose presence in the map is to be tested.
        @return
            <TRUE/> if and only if the map contains a mapping for the given key.

        @throws ::com::sun::star::beans::IllegalTypeException
            if the given key is not of a type which is accepted by the map
        @throws ::com::sun::star::lang::IllegalArgumentException
            if the given key is not supported to be put into the map. It's up to the service
            implementing the <code>XMap</code> interface to specify which special values are not
            supported. For instances, implementations might decide to not allow <VOID/> keys, or
            to reject <code>Double.NaN</code> (<em>not a number</em>) to due its problematic
            behavior with respect to equality.
    */
    boolean containsKey( [in] any Key )
        raises( ::com::sun::star::beans::IllegalTypeException,
                ::com::sun::star::lang::IllegalArgumentException );

    /** determines whether the map contains a mapping to a given value.

        @param Value
            is the value whose presence in the map is to be tested.
        @return
            <TRUE/> if and only one or more keys map to the given value.

        @throws ::com::sun::star::beans::IllegalTypeException
            if the given value is not of a type which is accepted by the map. It's up to the service
            implementing the <code>XMap</code> interface to specify which special values are not
            supported. For instances, implementations might decide to not allow <code>Double.NaN</code>
            (<em>not a number</em>) to due its problematic behavior with respect to equality.
        @throws ::com::sun::star::lang::IllegalArgumentException
            if the given value is not supported to be put into the map.
    */
    boolean containsValue( [in] any Value )
        raises( ::com::sun::star::beans::IllegalTypeException,
                ::com::sun::star::lang::IllegalArgumentException );

    /** gets the value to which a given key maps.

        @param Key
            they key whose associated value is to be returned.
        @return
            the value which is associated with the given key.

        @throws ::com::sun::star::beans::IllegalTypeException
            if the given key is not of a type which is accepted by the map
        @throws ::com::sun::star::beans::IllegalArgumentException
            if the given key is not supported to be put into the map. It's up to the service
            implementing the <code>XMap</code> interface to specify which special values are not
            supported. For instances, implementations might decide to not allow <VOID/> keys, or
            to reject <code>Double.NaN</code> (<em>not a number</em>) to due its problematic
            behavior with respect to equality.
        @throws ::com::sun::star::container::NoSuchElementException
            if there is no value associated with the given key
    */
    any     get( [in] any Key )
        raises( ::com::sun::star::beans::IllegalTypeException,
                ::com::sun::star::lang::IllegalArgumentException,
                ::com::sun::star::container::NoSuchElementException );

    /** associates a given key with a given value

        <p>If the map already contains a mapping for the given key, then the old value is replaced by the
        given new value.</p>

        @param Key
            is the key which the given value should be associated with
        @param Value
            is the value which should be associated with the given key
        @return
            the value which was previously associated with the given key, or <VOID/>
            if there was no such previous association.

        @throws ::com::sun::star::beans::IllegalTypeException
            if the given key is not of a type which is accepted by the map
        @throws ::com::sun::star::lang::IllegalArgumentException
            if the given key, or the given value, is not supported to be put into the map. It's up to
            the service implementing the <code>XMap</code> interface to specify which special values
            are not supported.<br/>
            For instances, implementations might decide to not allow <VOID/> keys or values, or to
            reject <code>Double.NaN</code> (<em>not a number</em>) to due its problematic behavior
            with respect to equality.
        @throws ::com::sun::star::beans::NoSupportException
            if the map does not support putting new mappings into it
    */
    any     put( [in] any Key, [in] any Value )
        raises( ::com::sun::star::lang::NoSupportException,
                ::com::sun::star::beans::IllegalTypeException,
                ::com::sun::star::lang::IllegalArgumentException );

    /** removes a key-value mapping, given by key, from the map.

        @param Key
            is the key whose mapping should be removed from the map
        @return
            the value which was associated with the given key before the removal

        @throws ::com::sun::star::beans::IllegalTypeException
            if the given key is not of a type which is accepted by the map
        @throws ::com::sun::star::lang::IllegalArgumentException
            if the given key is not supported to be put into the map. It's up to the service
            implementing the <code>XMap</code> interface to specify which special values are not
            supported. For instances, implementations might decide to not allow <VOID/> keys, or
            to reject <code>Double.NaN</code> (<em>not a number</em>) to due its problematic
            behavior with respect to equality.
        @throws ::com::sun::star::beans::NoSupportException
            if the map does not support removing mappings
        @throws ::com::sun::star::container::NoSuchElementException
            if there is no value associated with the given key
    */
    any     remove( [in] any Key )
        raises( ::com::sun::star::lang::NoSupportException,
                ::com::sun::star::beans::IllegalTypeException,
                ::com::sun::star::lang::IllegalArgumentException,
                ::com::sun::star::container::NoSuchElementException );
};

//=============================================================================

}; }; }; };

//=============================================================================

#endif
