Examples of org.exolab.castor.mapping.AccessMode

org.exolab.castor.mapping.AccessMode
The access mode for a class. This object is used by class descriptors to specify the access mode for a class.
In persistent storage each class is defined as having one of three access modes:
- Read only
- Shared (aka optimistic locking)
- Exclusive (aka pessimistic locking)
- DbLocked (database lock)
Transactions typically access objects based on the specified access mode. A transaction may be requested to access any object as read only or exclusive, but may not access exclusive objects as shared. @author Assaf Arkin @author Ralf Joachim @version $Revision: 6907 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

        typeInfo = (TypeInfo) _typeInfo.get( oid.getName() );
        if ( typeInfo == null )
            throw new ClassNotPersistenceCapableException( Messages.format("persist.classNotPersistenceCapable", oid.getName() ) );


        ClassMolder molder = oid.getMolder();
        AccessMode accessMode = molder.getAccessMode( suggestedAccessMode );


        succeed = false;


        lock = null;

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    }


    public Object load( Class type, Object identity, short accessMode) throws ObjectNotFoundException, LockNotGrantedException, TransactionNotInProgressException, PersistenceException {
        TransactionContext tx;
        PersistenceInfo    info;
        AccessMode         mode;


        switch ( accessMode ) {
        case ReadOnly:
            mode = AccessMode.ReadOnly;
            break;

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        Object[] fields;
        Object ids;
        Object stamp = null;
        Object temp;
        int fieldType;
        AccessMode accessMode = getAccessMode( suggestedAccessMode );


        if ( oid.getIdentity() == null )
            throw new PersistenceException("The identities of the object to be loaded is null");


        // load the fields from the persistent storage if the cache is empty

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        LockEngine fieldEngine;
        Object[] fields;
        Object stamp;
        int fieldType;
        Object o;
        AccessMode accessMode = getAccessMode( suggestedAccessMode );


        fields = (Object[]) locker.getObject( tx );


        if ((!isDependent()) && (!_timeStampable)) {
            throw new IllegalArgumentException("A master object that involves in a long transaction must be a TimeStampable!");

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    }


    public Object load( Class type, Object identity, short accessMode) throws ObjectNotFoundException, LockNotGrantedException, TransactionNotInProgressException, PersistenceException {
        TransactionContext tx;
        PersistenceInfo    info;
        AccessMode         mode;


        switch ( accessMode ) {
        case ReadOnly:
            mode = AccessMode.ReadOnly;
            break;

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        typeInfo = (TypeInfo) _typeInfo.get( oid.getName() );
        if ( typeInfo == null )
            throw new ClassNotPersistenceCapableException( Messages.format("persist.classNotPersistenceCapable", oid.getName() ) );


        ClassMolder molder = oid.getMolder();
        AccessMode accessMode = molder.getAccessMode( suggestedAccessMode );


        succeed = false;


        lock = null;

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            Object identity, AccessMode suggestedAccessMode )
            throws ObjectNotFoundException, LockNotGrantedException, PersistenceException {


        ObjectEntry entry = null;
        OID         oid;
        AccessMode  accessMode;


        if ( identity == null )
            throw new PersistenceException("Identities can't be null!");


        oid = new OID( engine, molder, identity );

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        oid = new OID( engine, molder, identity );


        if ( objectToBeLoaded != null
            && !molder.getJavaClass( _db.getClassLoader() ).isAssignableFrom( objectToBeLoaded.getClass() ) )
            throw new PersistenceException( Messages.format("persist.typeMismatch", molder.getName(), objectToBeLoaded.getClass() ) );
        AccessMode accessMode = molder.getAccessMode( suggestedAccessMode );
        if ( accessMode == AccessMode.ReadOnly )
            entry = getReadOnlyObjectEntry( oid );
        if ( entry == null )
            entry = getObjectEntry( engine, oid );
        if ( entry != null ) {

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        Object[] fields;
        Object ids;
        Object stamp = null;
        Object temp;
        int fieldType;
        AccessMode accessMode = getAccessMode( suggestedAccessMode );


        if ( oid.getIdentity() == null )
            throw new PersistenceException("The identities of the object to be loaded is null");


        // load the fields from the persistent storage if the cache is empty

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        ClassMolder fieldClassMolder;
        LockEngine fieldEngine;
        Object[] fields;
        Object ids;
        AccessMode am;
        Object value;
        Object stamp;
        Object[] temp;
        int fieldType;
        Object o;
        AccessMode accessMode = getAccessMode( suggestedAccessMode );


        fields = (Object[]) locker.getObject( tx );


        if ( !isDependent() && !_timeStampable )
            throw new IllegalArgumentException("A master object that involves in a long transaction must be a TimeStampable!");

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Related Classes of org.exolab.castor.mapping.AccessMode

org.castor.persist.AbstractTransactionContext

org.exolab.castor.jdo.engine.DatabaseImpl

org.exolab.castor.jdo.engine.SQLEngine

org.exolab.castor.persist.ClassMolder

org.exolab.castor.persist.LockEngine

org.exolab.castor.persist.TransactionContext

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