Package org.eclipse.persistence.descriptors

Examples of org.eclipse.persistence.descriptors.ClassDescriptor.usesOptimisticLocking()

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     */
    public boolean usesOptimisticLocking() {
        Iterator descriptors = getDescriptors().values().iterator();
        while (descriptors.hasNext()) {
            ClassDescriptor descriptor = (ClassDescriptor)descriptors.next();
            if (descriptor.usesOptimisticLocking()) {
                return true;
            }
        }
        return false;
    }
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                if (session.hasEventManager()) {
                    session.getEventManager().noRowsModified(this, object);
                }
            }

            if (descriptor.usesOptimisticLocking()) {
                descriptor.getOptimisticLockingPolicy().validateDelete(rowCount, object, this);
            }

            commitManager.markPostModifyCommitInProgress(getObject());
            // Verify if deep shallow modify is turned on
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     * Return whether the reference objects must be deleted
     * one by one, as opposed to with a single DELETE statement.
     */
    protected boolean mustDeleteReferenceObjectsOneByOne() {
        ClassDescriptor referenceDescriptor = this.getReferenceDescriptor();
        return referenceDescriptor.hasDependencyOnParts() || referenceDescriptor.usesOptimisticLocking() || (referenceDescriptor.hasInheritance() && referenceDescriptor.getInheritancePolicy().shouldReadSubclasses()) || referenceDescriptor.hasMultipleTables();
    }

    /**
     * Return whether any process leading to object modification
     * should also affect its parts.
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            if ((writeQuery.isUserDefined() || writeQuery.isCallQuery()) && getSession().isUnitOfWork()) {
                writeQuery.setModifyRow(descriptor.getObjectBuilder().buildRow(object, getSession(), WriteType.UNDEFINED));
            }

            // Update the write lock field if required.
            if (descriptor.usesOptimisticLocking()) {
                OptimisticLockingPolicy policy = descriptor.getOptimisticLockingPolicy();
                policy.addLockValuesToTranslationRow(writeQuery);

                if (!getModifyRow().isEmpty() || shouldModifyVersionField.booleanValue()) {
                    // Update the row with newer lock value.
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            if (rowCount < 1) {
                if (session.hasEventManager()) {
                    session.getEventManager().noRowsModified(writeQuery, object);
                }
            }
            if (descriptor.usesOptimisticLocking()) {
                descriptor.getOptimisticLockingPolicy().validateUpdate(rowCount, object, writeQuery);
            }
        }

        commitManager.markPostModifyCommitInProgress(object);
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        // exists, and keep firing the notification up the chain.
        // Otherwise, do nothing.
        if (parentObj != null) {
            // Need to check if we are a non cascade locking node within a
            // cascade locking policy chain.
            if (realParentDescriptor.usesOptimisticLocking() && realParentDescriptor.getOptimisticLockingPolicy().isCascaded()) {
                ObjectChangeSet ocs = realParentDescriptor.getObjectBuilder().createObjectChangeSet(parentObj, changeSet, uow);

                if (!ocs.hasForcedChangesFromCascadeLocking()) {
                    ocs.setHasForcedChangesFromCascadeLocking(true);
                    changeSet.addObjectChangeSet(ocs, uow, true);
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            if ((writeQuery.isUserDefined() || writeQuery.isCallQuery()) && getSession().isUnitOfWork()) {
                writeQuery.setModifyRow(descriptor.getObjectBuilder().buildRow(object, getSession(), WriteType.UNDEFINED));
            }

            // Update the write lock field if required.
            if (descriptor.usesOptimisticLocking()) {
                OptimisticLockingPolicy policy = descriptor.getOptimisticLockingPolicy();
                policy.addLockValuesToTranslationRow(writeQuery);

                if (!getModifyRow().isEmpty() || shouldModifyVersionField.booleanValue()) {
                    // Update the row with newer lock value.
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            if (rowCount < 1) {
                if (session.hasEventManager()) {
                    session.getEventManager().noRowsModified(writeQuery, object);
                }
            }
            if (descriptor.usesOptimisticLocking()) {
                descriptor.getOptimisticLockingPolicy().validateUpdate(rowCount, object, writeQuery);
            }
        }

        commitManager.markPostModifyCommitInProgress(object);
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                Object key = cacheKey.getKey();
                if (object == null) {
                    writer.write(LoggingLocalization.buildMessage("key_object_null", new Object[] { cr, key, "\t" }));
                } else {
                    String hashCode = String.valueOf(System.identityHashCode(object));
                    if (descriptor.usesOptimisticLocking() && descriptor.usesVersionLocking()) {
                        // Obtain writeLockValue and convert the value to String
                        Object writeLockValue = descriptor.getOptimisticLockingPolicy().getWriteLockValue(object, key, session);
                        String version = (String) session.getPlatform().convertObject(writeLockValue, String.class);
                        writer.write(LoggingLocalization.buildMessage("key_version_identity_hash_code_object", new Object[] { cr, key, "\t", hashCode, object, version }));
                    } else {
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        // exists, and keep firing the notification up the chain.
        // Otherwise, do nothing.
        if (parentObj != null) {
            // Need to check if we are a non cascade locking node within a
            // cascade locking policy chain.
            if (realParentDescriptor.usesOptimisticLocking() && realParentDescriptor.getOptimisticLockingPolicy().isCascaded()) {
                ObjectChangeSet ocs = realParentDescriptor.getObjectBuilder().createObjectChangeSet(parentObj, changeSet, uow);

                if (!ocs.hasForcedChangesFromCascadeLocking()) {
                    ocs.setHasForcedChangesFromCascadeLocking(true);
                    changeSet.addObjectChangeSet(ocs, uow, true);
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