Examples with DataPartitioningCallback org.eclipse.persistence.platform.database.partitioning.DataPartitioningCallback used on opensource projects

Example 1 with DataPartitioningCallback

use of org.eclipse.persistence.platform.database.partitioning.DataPartitioningCallback in project eclipselink by eclipse-ee4j.

the class EntityManagerSetupImpl method updatePartitioning.

/**
 * Checks for partitioning properties.
 */
protected void updatePartitioning(Map m, ClassLoader loader) {
    // Partitioning
    String partitioning = getConfigPropertyAsStringLogDebug(PersistenceUnitProperties.PARTITIONING, m, this.session);
    if (partitioning != null) {
        PartitioningPolicy partitioningPolicy = this.session.getProject().getPartitioningPolicy(partitioning);
        if (partitioningPolicy == null) {
            throw DescriptorException.missingPartitioningPolicy(partitioning, null, null);
        }
        this.session.setPartitioningPolicy(partitioningPolicy);
    }
    String callbackClassName = getConfigPropertyAsStringLogDebug(PersistenceUnitProperties.PARTITIONING_CALLBACK, m, this.session);
    if (callbackClassName != null) {
        DataPartitioningCallback callback = null;
        try {
            Class<? extends DataPartitioningCallback> cls = findClassForProperty(callbackClassName, PersistenceUnitProperties.PARTITIONING_CALLBACK, loader);
            Constructor<? extends DataPartitioningCallback> constructor = cls.getConstructor();
            callback = constructor.newInstance();
        } catch (Exception exception) {
            throw EntityManagerSetupException.failedToInstantiateProperty(callbackClassName, PersistenceUnitProperties.PARTITIONING_CALLBACK, exception);
        }
        this.session.getLogin().setPartitioningCallback(callback);
    }
}