Examples with RelationshipManager org.datanucleus.state.RelationshipManager used on opensource projects

Example 41 with RelationshipManager

use of org.datanucleus.state.RelationshipManager in project datanucleus-core by datanucleus.

the class Set method clear.

/**
 * Method to clear the Collection.
 */
public void clear() {
    if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations()) {
        // Relationship management
        Iterator iter = delegate.iterator();
        RelationshipManager relMgr = ownerOP.getExecutionContext().getRelationshipManager(ownerOP);
        while (iter.hasNext()) {
            relMgr.relationRemove(ownerMmd.getAbsoluteFieldNumber(), iter.next());
        }
    }
    if (ownerOP != null && !delegate.isEmpty()) {
        // Cascade delete
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            // Queue the cascade delete
            Iterator iter = delegate.iterator();
            while (iter.hasNext()) {
                ownerOP.getExecutionContext().addOperationToQueue(new CollectionRemoveOperation(ownerOP, ownerMmd.getAbsoluteFieldNumber(), iter.next(), true));
            }
        } else if (SCOUtils.hasDependentElement(ownerMmd)) {
            // Perform the cascade delete
            Iterator iter = delegate.iterator();
            while (iter.hasNext()) {
                ownerOP.getExecutionContext().deleteObjectInternal(iter.next());
            }
        }
    }
    delegate.clear();
    makeDirty();
    if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
        ownerOP.getExecutionContext().processNontransactionalUpdate();
    }
}

Example 42 with RelationshipManager

use of org.datanucleus.state.RelationshipManager in project datanucleus-core by datanucleus.

the class ArrayList method addAll.

/**
 * Method to add a Collection to a position in the ArrayList.
 * @param index Position to insert the collection.
 * @param elements The collection
 * @return Whether it was added ok.
 */
public boolean addAll(int index, Collection elements) {
    boolean success = delegate.addAll(index, elements);
    if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations()) {
        // Relationship management
        Iterator iter = elements.iterator();
        RelationshipManager relMgr = ownerOP.getExecutionContext().getRelationshipManager(ownerOP);
        while (iter.hasNext()) {
            relMgr.relationAdd(ownerMmd.getAbsoluteFieldNumber(), iter.next());
        }
    }
    if (success) {
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            int pos = index;
            for (Object element : elements) {
                ownerOP.getExecutionContext().addOperationToQueue(new ListAddAtOperation(ownerOP, ownerMmd.getAbsoluteFieldNumber(), pos++, element));
            }
        }
        makeDirty();
        if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
            ownerOP.getExecutionContext().processNontransactionalUpdate();
        }
    }
    return success;
}

Example 43 with RelationshipManager

use of org.datanucleus.state.RelationshipManager in project datanucleus-core by datanucleus.

the class ArrayList method clear.

/**
 * Method to clear the ArrayList.
 */
public void clear() {
    if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations()) {
        // Relationship management
        Iterator iter = delegate.iterator();
        RelationshipManager relMgr = ownerOP.getExecutionContext().getRelationshipManager(ownerOP);
        while (iter.hasNext()) {
            relMgr.relationRemove(ownerMmd.getAbsoluteFieldNumber(), iter.next());
        }
    }
    if (ownerOP != null && !delegate.isEmpty()) {
        // Cascade delete
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            java.util.List copy = new java.util.ArrayList(delegate);
            Iterator iter = copy.iterator();
            while (iter.hasNext()) {
                ownerOP.getExecutionContext().addOperationToQueue(new CollectionRemoveOperation(ownerOP, ownerMmd.getAbsoluteFieldNumber(), iter.next(), true));
            }
        } else if (SCOUtils.hasDependentElement(ownerMmd)) {
            java.util.List copy = new java.util.ArrayList(delegate);
            Iterator iter = copy.iterator();
            while (iter.hasNext()) {
                ownerOP.getExecutionContext().deleteObjectInternal(iter.next());
            }
        }
    }
    delegate.clear();
    makeDirty();
    if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
        ownerOP.getExecutionContext().processNontransactionalUpdate();
    }
}

Example 44 with RelationshipManager

use of org.datanucleus.state.RelationshipManager in project datanucleus-core by datanucleus.

the class ArrayList method removeAll.

/**
 * Method to remove a collection of elements from the List.
 * @param elements Collection of elements to remove
 * @return Whether it was successful.
 */
public boolean removeAll(Collection elements) {
    if (elements == null) {
        throw new NullPointerException();
    } else if (elements.isEmpty()) {
        return true;
    }
    boolean success = delegate.removeAll(elements);
    if (ownerOP != null) {
        if (ownerOP.getExecutionContext().getManageRelations()) {
            // Relationship management
            Iterator iter = elements.iterator();
            RelationshipManager relMgr = ownerOP.getExecutionContext().getRelationshipManager(ownerOP);
            while (iter.hasNext()) {
                relMgr.relationRemove(ownerMmd.getAbsoluteFieldNumber(), iter.next());
            }
        }
        // Cascade delete
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            Iterator iter = elements.iterator();
            while (iter.hasNext()) {
                ownerOP.getExecutionContext().addOperationToQueue(new CollectionRemoveOperation(ownerOP, ownerMmd.getAbsoluteFieldNumber(), iter.next(), true));
            }
        } else if (SCOUtils.hasDependentElement(ownerMmd)) {
            Iterator iter = elements.iterator();
            while (iter.hasNext()) {
                ownerOP.getExecutionContext().deleteObjectInternal(iter.next());
            }
        }
    }
    if (success) {
        makeDirty();
        if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
            ownerOP.getExecutionContext().processNontransactionalUpdate();
        }
    }
    return success;
}

Example 45 with RelationshipManager

use of org.datanucleus.state.RelationshipManager in project datanucleus-core by datanucleus.

the class ArrayList method addAll.

/**
 * Method to add a Collection to the ArrayList.
 * @param elements The collection
 * @return Whether it was added ok.
 */
public boolean addAll(Collection elements) {
    boolean success = delegate.addAll(elements);
    if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations()) {
        // Relationship management
        Iterator iter = elements.iterator();
        RelationshipManager relMgr = ownerOP.getExecutionContext().getRelationshipManager(ownerOP);
        while (iter.hasNext()) {
            relMgr.relationAdd(ownerMmd.getAbsoluteFieldNumber(), iter.next());
        }
    }
    if (success) {
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            for (Object element : elements) {
                ownerOP.getExecutionContext().addOperationToQueue(new CollectionAddOperation(ownerOP, ownerMmd.getAbsoluteFieldNumber(), element));
            }
        }
        makeDirty();
        if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
            ownerOP.getExecutionContext().processNontransactionalUpdate();
        }
    }
    return success;
}