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Example 1 with LabelNotFoundKernelException

use of org.neo4j.kernel.api.exceptions.LabelNotFoundKernelException in project neo4j by neo4j.

the class TxStateTransactionDataSnapshot method takeSnapshot.

private void takeSnapshot() {
    try {
        for (long nodeId : state.addedAndRemovedNodes().getRemoved()) {
            try (Cursor<NodeItem> node = storeStatement.acquireSingleNodeCursor(nodeId)) {
                if (node.next()) {
                    Lock lock = node.get().lock();
                    try (Cursor<PropertyItem> properties = storeStatement.acquirePropertyCursor(node.get().nextPropertyId(), lock)) {
                        while (properties.next()) {
                            removedNodeProperties.add(new NodePropertyEntryView(nodeId, store.propertyKeyGetName(properties.get().propertyKeyId()), null, properties.get().value()));
                        }
                    }
                    node.get().labels().visitKeys(labelId -> {
                        removedLabels.add(new LabelEntryView(nodeId, store.labelGetName(labelId)));
                        return false;
                    });
                }
            }
        }
        for (long relId : state.addedAndRemovedRelationships().getRemoved()) {
            Relationship relationshipProxy = relationship(relId);
            try (Cursor<RelationshipItem> relationship = storeStatement.acquireSingleRelationshipCursor(relId)) {
                if (relationship.next()) {
                    Lock lock = relationship.get().lock();
                    try (Cursor<PropertyItem> properties = storeStatement.acquirePropertyCursor(relationship.get().nextPropertyId(), lock)) {
                        while (properties.next()) {
                            removedRelationshipProperties.add(new RelationshipPropertyEntryView(relationshipProxy, store.propertyKeyGetName(properties.get().propertyKeyId()), null, properties.get().value()));
                        }
                    }
                }
            }
        }
        for (NodeState nodeState : state.modifiedNodes()) {
            Iterator<StorageProperty> added = nodeState.addedAndChangedProperties();
            while (added.hasNext()) {
                DefinedProperty property = (DefinedProperty) added.next();
                assignedNodeProperties.add(new NodePropertyEntryView(nodeState.getId(), store.propertyKeyGetName(property.propertyKeyId()), property.value(), committedValue(nodeState, property.propertyKeyId())));
            }
            Iterator<Integer> removed = nodeState.removedProperties();
            while (removed.hasNext()) {
                Integer property = removed.next();
                removedNodeProperties.add(new NodePropertyEntryView(nodeState.getId(), store.propertyKeyGetName(property), null, committedValue(nodeState, property)));
            }
            ReadableDiffSets<Integer> labels = nodeState.labelDiffSets();
            for (Integer label : labels.getAdded()) {
                assignedLabels.add(new LabelEntryView(nodeState.getId(), store.labelGetName(label)));
            }
            for (Integer label : labels.getRemoved()) {
                removedLabels.add(new LabelEntryView(nodeState.getId(), store.labelGetName(label)));
            }
        }
        for (RelationshipState relState : state.modifiedRelationships()) {
            Relationship relationship = relationship(relState.getId());
            Iterator<StorageProperty> added = relState.addedAndChangedProperties();
            while (added.hasNext()) {
                DefinedProperty property = (DefinedProperty) added.next();
                assignedRelationshipProperties.add(new RelationshipPropertyEntryView(relationship, store.propertyKeyGetName(property.propertyKeyId()), property.value(), committedValue(relState, property.propertyKeyId())));
            }
            Iterator<Integer> removed = relState.removedProperties();
            while (removed.hasNext()) {
                Integer property = removed.next();
                removedRelationshipProperties.add(new RelationshipPropertyEntryView(relationship, store.propertyKeyGetName(property), null, committedValue(relState, property)));
            }
        }
    } catch (PropertyKeyIdNotFoundKernelException | LabelNotFoundKernelException e) {
        throw new IllegalStateException("An entity that does not exist was modified.", e);
    }
}
Also used : DefinedProperty(org.neo4j.kernel.api.properties.DefinedProperty) NodeState(org.neo4j.storageengine.api.txstate.NodeState) LabelNotFoundKernelException(org.neo4j.kernel.api.exceptions.LabelNotFoundKernelException) RelationshipState(org.neo4j.storageengine.api.txstate.RelationshipState) Lock(org.neo4j.kernel.impl.locking.Lock) PropertyKeyIdNotFoundKernelException(org.neo4j.kernel.api.exceptions.PropertyKeyIdNotFoundKernelException) NodeItem(org.neo4j.storageengine.api.NodeItem) PropertyItem(org.neo4j.storageengine.api.PropertyItem) Relationship(org.neo4j.graphdb.Relationship) StorageProperty(org.neo4j.storageengine.api.StorageProperty) RelationshipItem(org.neo4j.storageengine.api.RelationshipItem)

Aggregations

Relationship (org.neo4j.graphdb.Relationship)1 LabelNotFoundKernelException (org.neo4j.kernel.api.exceptions.LabelNotFoundKernelException)1 PropertyKeyIdNotFoundKernelException (org.neo4j.kernel.api.exceptions.PropertyKeyIdNotFoundKernelException)1 DefinedProperty (org.neo4j.kernel.api.properties.DefinedProperty)1 Lock (org.neo4j.kernel.impl.locking.Lock)1 NodeItem (org.neo4j.storageengine.api.NodeItem)1 PropertyItem (org.neo4j.storageengine.api.PropertyItem)1 RelationshipItem (org.neo4j.storageengine.api.RelationshipItem)1 StorageProperty (org.neo4j.storageengine.api.StorageProperty)1 NodeState (org.neo4j.storageengine.api.txstate.NodeState)1 RelationshipState (org.neo4j.storageengine.api.txstate.RelationshipState)1