Examples with CollectionRemoveOperation org.datanucleus.flush.CollectionRemoveOperation used on opensource projects

Example 36 with CollectionRemoveOperation

use of org.datanucleus.flush.CollectionRemoveOperation in project datanucleus-core by datanucleus.

the class TreeSet method remove.

/**
 * Method to remove an element from the collection, and observe the flag for whether to allow cascade delete.
 * @param element The element
 * @param allowCascadeDelete Whether to allow cascade delete
 */
public boolean remove(Object element, boolean allowCascadeDelete) {
    makeDirty();
    if (useCache) {
        loadFromStore();
    }
    int size = useCache ? delegate.size() : -1;
    boolean contained = delegate.contains(element);
    boolean delegateSuccess = delegate.remove(element);
    if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations() && !initialising) {
        ownerOP.getExecutionContext().getRelationshipManager(ownerOP).relationRemove(ownerMmd.getAbsoluteFieldNumber(), element);
    }
    boolean backingSuccess = true;
    if (backingStore != null) {
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            backingSuccess = contained;
            if (backingSuccess) {
                ownerOP.getExecutionContext().addOperationToQueue(new CollectionRemoveOperation(ownerOP, backingStore, element, allowCascadeDelete));
            }
        } else {
            try {
                backingSuccess = backingStore.remove(ownerOP, element, size, allowCascadeDelete);
            } catch (NucleusDataStoreException dse) {
                NucleusLogger.PERSISTENCE.warn(Localiser.msg("023013", "remove", ownerMmd.getName(), dse));
                backingSuccess = false;
            }
        }
    }
    if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
        ownerOP.getExecutionContext().processNontransactionalUpdate();
    }
    return backingStore != null ? backingSuccess : delegateSuccess;
}

Example 37 with CollectionRemoveOperation

use of org.datanucleus.flush.CollectionRemoveOperation in project datanucleus-core by datanucleus.

the class Vector method remove.

/**
 * Method to remove an element from the collection, and observe the flag for whether to allow cascade delete.
 * @param element The element
 * @param allowCascadeDelete Whether to allow cascade delete
 */
public synchronized boolean remove(Object element, boolean allowCascadeDelete) {
    makeDirty();
    if (useCache) {
        loadFromStore();
    }
    int size = useCache ? delegate.size() : -1;
    boolean contained = delegate.contains(element);
    boolean delegateSuccess = delegate.remove(element);
    boolean backingSuccess = true;
    if (backingStore != null) {
        if (SCOUtils.useQueuedUpdate(ownerOP)) {
            backingSuccess = contained;
            if (backingSuccess) {
                ownerOP.getExecutionContext().addOperationToQueue(new CollectionRemoveOperation(ownerOP, backingStore, element, allowCascadeDelete));
            }
        } else {
            try {
                backingSuccess = backingStore.remove(ownerOP, element, size, allowCascadeDelete);
            } catch (NucleusDataStoreException dse) {
                NucleusLogger.PERSISTENCE.warn(Localiser.msg("023013", "remove", ownerMmd.getName(), dse));
                backingSuccess = false;
            }
        }
    }
    if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
        ownerOP.getExecutionContext().processNontransactionalUpdate();
    }
    return backingStore != null ? backingSuccess : delegateSuccess;
}

Example 38 with CollectionRemoveOperation

use of org.datanucleus.flush.CollectionRemoveOperation in project datanucleus-core by datanucleus.

the class SortedSet method clear.

/**
 * Method to clear the SortedSet
 */
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 39 with CollectionRemoveOperation

use of org.datanucleus.flush.CollectionRemoveOperation in project datanucleus-core by datanucleus.

the class SortedSet method removeAll.

/**
 * Method to remove all elements from the collection from the SortedSet.
 * @param elements The collection of elements to remove
 * @return Whether it was removed ok.
 */
public boolean removeAll(java.util.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)) {
            // Queue the cascade delete
            Iterator iter = elements.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 = 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 40 with CollectionRemoveOperation

use of org.datanucleus.flush.CollectionRemoveOperation in project datanucleus-core by datanucleus.

the class TreeSet method clear.

/**
 * Method to clear the TreeSet
 */
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();
    }
}