Examples with Persistent org.apache.cayenne.Persistent used on opensource projects

Example 86 with Persistent

use of org.apache.cayenne.Persistent in project cayenne by apache.

the class ObjectStoreGraphDiff method validateAndCheckNoop.

/**
 * Requires external synchronization on ObjectStore.
 */
boolean validateAndCheckNoop() {
    if (getChangesByObjectId().isEmpty()) {
        return true;
    }
    boolean noop = true;
    // build a new collection for validation as validation methods may
    // result in
    // ObjectStore modifications
    Collection<Validating> objectsToValidate = null;
    for (final ObjectDiff diff : getChangesByObjectId().values()) {
        if (!diff.isNoop()) {
            noop = false;
            if (diff.getObject() instanceof Validating) {
                if (objectsToValidate == null) {
                    objectsToValidate = new ArrayList<>();
                }
                objectsToValidate.add((Validating) diff.getObject());
            }
        }
    }
    if (objectsToValidate != null) {
        ValidationResult result = new ValidationResult();
        for (Validating object : objectsToValidate) {
            switch(((Persistent) object).getPersistenceState()) {
                case PersistenceState.NEW:
                    object.validateForInsert(result);
                    break;
                case PersistenceState.MODIFIED:
                    object.validateForUpdate(result);
                    break;
                case PersistenceState.DELETED:
                    object.validateForDelete(result);
                    break;
            }
        }
        if (result.hasFailures()) {
            throw new ValidationException(result);
        }
    }
    return noop;
}

Example 87 with Persistent

use of org.apache.cayenne.Persistent in project cayenne by apache.

the class PrefetchObjectResolver method objectFromDataRow.

@Override
Persistent objectFromDataRow(DataRow row, ObjectId anId, ClassDescriptor classDescriptor) {
    // skip processing of objects that were already processed in this
    // transaction, either by this node or by some other node...
    // added per CAY-1695 ..
    Persistent object = seen.get(anId);
    if (object == null) {
        object = super.objectFromDataRow(row, anId, classDescriptor);
        seen.put(anId, object);
    }
    return object;
}

Example 88 with Persistent

use of org.apache.cayenne.Persistent in project cayenne by apache.

the class ResultScanParentAttachmentStrategy method linkToParent.

public void linkToParent(DataRow row, Persistent object) {
    if (partitionByChild == null) {
        indexParents();
    }
    Object key;
    if (joins.length > 1) {
        List<Object> values = new ArrayList<>(joins.length);
        for (int j = 0; j < joins.length; j++) {
            values.add(row.get(joins[j].getTargetName()));
        }
        key = values;
    } else {
        key = row.get(joins[0].getTargetName());
    }
    List<Persistent> parents = (List<Persistent>) partitionByChild.get(key);
    if (parents != null) {
        for (Persistent parent : parents) {
            node.linkToParent(object, parent);
        }
    }
}