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#ifndef Pegasus_AssocClassTable_h
#define Pegasus_AssocClassTable_h

#include <fstream>
#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/CIMObjectPath.h>
#include <Pegasus/Common/ArrayInternal.h>
#include <Pegasus/Repository/Linkage.h>
#include <Pegasus/Common/ReadWriteSem.h>
#include "AssocClassCache.h"

PEGASUS_NAMESPACE_BEGIN

/** Maintains all associations for a given namesspace.
*/
class PEGASUS_REPOSITORY_LINKAGE AssocClassTable
{
public:

    /** Appends a row into the association class table. There is no checking
        for duplicate entries (the caller ensures this). The case of
        the arguments doesn't matter. They are ignored during comparison.
    */
    static void append(
        PEGASUS_STD(ofstream)& os,
        const String& path,
        const CIMName& assocClassName,
        const CIMName& fromClassName,
        const CIMName& fromPropertyName,
        const CIMName& toClassName,
        const CIMName& toPropertyName);

    /** Appends a row into the association class table. There is no checking
        for duplicate entries (the caller ensures this). The case of the
        arguments doesn't matter. Case is ignored during comparison.
    */
    static void append(
        const String& path,
        const CIMName& assocClassName,
        const CIMName& fromClassName,
        const CIMName& fromPropertyName,
        const CIMName& toClassName,
        const CIMName& toPropertyName);

    /** Deletes the given association from the table by removing every entry
        with the given assocClassName.
        @returns true if such an association was found.
    */
    static Boolean deleteAssociation(
        const String& path,
        const CIMName& assocClassName);

    /** Finds all associators of the given class. See
        CIMOperations::associators() for a full description.
    */
    static Boolean getAssociatorNames(
        const String& path,
        const Array<CIMName>& classList,
        const Array<CIMName>& assocClassList,
        const Array<CIMName>& resultClassList,
        const String& role,
        const String& resultRole,
        Array<String>& associatorNames);

    /** Get all references (association class names) in which the
        given class involved. See CIMOperations::referenceNames() for a
        full description.
    */
    static Boolean getReferenceNames(
        const String& path,
        const Array<CIMName>& classList,
        const Array<CIMName>& resultClassList,
        const String& role,
        Array<String>& referenceNames);


    static void removeCaches();

private:

    static Boolean _InitializeCache(
        AssocClassCache* cache,
        const String& path);

    AssocClassTable() { /* private */ }
    static ReadWriteSem _classCacheLock;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_AssocClassTable_h */