Examples with NodeInterface org.structr.core.graph.NodeInterface used on opensource projects

Example 66 with NodeInterface

use of org.structr.core.graph.NodeInterface in project structr by structr.

the class AbstractRelationship method setSourceNodeId.

@Override
public final void setSourceNodeId(final String sourceNodeId) throws FrameworkException {
    // Do nothing if new id equals old
    if (getSourceNodeId().equals(sourceNodeId)) {
        return;
    }
    final App app = StructrApp.getInstance(securityContext);
    final NodeInterface newStartNode = app.getNodeById(sourceNodeId);
    final NodeInterface endNode = getTargetNode();
    final Class relationType = getClass();
    final PropertyMap _props = getProperties();
    final String type = this.getClass().getSimpleName();
    if (newStartNode == null) {
        throw new FrameworkException(404, "Node with ID " + sourceNodeId + " not found", new IdNotFoundToken(type, sourceNodeId));
    }
    // delete this as the new rel will be the container afterwards
    app.delete(this);
    // create new relationship
    app.create(newStartNode, endNode, relationType, _props);
}

Example 67 with NodeInterface

use of org.structr.core.graph.NodeInterface in project structr by structr.

the class AbstractRelationship method setTargetNodeId.

@Override
public final void setTargetNodeId(final String targetNodeId) throws FrameworkException {
    // Do nothing if new id equals old
    if (getTargetNodeId().equals(targetNodeId)) {
        return;
    }
    final App app = StructrApp.getInstance(securityContext);
    final NodeInterface newTargetNode = app.getNodeById(targetNodeId);
    final NodeInterface startNode = getSourceNode();
    final Class relationType = getClass();
    final PropertyMap _props = getProperties();
    final String type = this.getClass().getSimpleName();
    if (newTargetNode == null) {
        throw new FrameworkException(404, "Node with ID " + targetNodeId + " not found", new IdNotFoundToken(type, targetNodeId));
    }
    // delete this as the new rel will be the container afterwards
    app.delete(this);
    // create new relationship and store here
    app.create(startNode, newTargetNode, relationType, _props);
}

Example 68 with NodeInterface

use of org.structr.core.graph.NodeInterface in project structr by structr.

the class OtherNodeTypeRelationFilter method accept.

@Override
public boolean accept(final Relation rel) {
    final NodeInterface otherNode = nodeFactory.instantiate(rel.getRelationship().getOtherNode(thisNode));
    final Class otherNodeType = otherNode.getClass();
    return desiredType.isAssignableFrom(otherNodeType) || otherNodeType.isAssignableFrom(desiredType);
}

Example 69 with NodeInterface

use of org.structr.core.graph.NodeInterface in project structr by structr.

the class ManyEndpoint method set.

@Override
public Object set(final SecurityContext securityContext, final NodeInterface sourceNode, final Iterable<T> collection) throws FrameworkException {
    final App app = StructrApp.getInstance(securityContext);
    final List<Relation> createdRelationships = new LinkedList<>();
    final PropertyMap properties = new PropertyMap();
    final T actualSourceNode = (T) unwrap(securityContext, relation.getClass(), sourceNode, properties);
    final Set<T> toBeDeleted = new LinkedHashSet<>(Iterables.toList(get(securityContext, actualSourceNode, null)));
    final Set<T> toBeCreated = new LinkedHashSet<>();
    if (collection != null) {
        Iterables.addAll(toBeCreated, collection);
    }
    // create intersection of both sets
    final Set<T> intersection = new HashSet<>(toBeCreated);
    intersection.retainAll(toBeDeleted);
    // intersection needs no change
    toBeCreated.removeAll(intersection);
    toBeDeleted.removeAll(intersection);
    if (actualSourceNode != null) {
        // remove existing relationships
        for (T targetNode : toBeDeleted) {
            for (Iterator<AbstractRelationship> it = actualSourceNode.getOutgoingRelationships(relation.getClass()).iterator(); it.hasNext(); ) {
                final AbstractRelationship rel = it.next();
                if (actualSourceNode.equals(targetNode)) {
                    logger.warn("Preventing deletion of self relationship {}-[{}]->{}. If you experience issue with this, please report to team@structr.com.", new Object[] { actualSourceNode, rel.getRelType(), targetNode });
                    // skip self relationships
                    continue;
                }
                if (rel.getTargetNode().equals(targetNode)) {
                    app.delete(rel);
                }
            }
        }
        // create new relationships
        for (T targetNode : toBeCreated) {
            if (targetNode != null) {
                properties.clear();
                final NodeInterface actualTargetNode = (NodeInterface) unwrap(securityContext, relation.getClass(), targetNode, properties);
                relation.ensureCardinality(securityContext, actualSourceNode, actualTargetNode);
                final PropertyMap notionProperties = getNotionProperties(securityContext, relation.getClass(), actualSourceNode.getName() + relation.name() + actualTargetNode.getName());
                if (notionProperties != null) {
                    properties.putAll(notionProperties);
                }
                createdRelationships.add(app.create(actualSourceNode, actualTargetNode, relation.getClass(), properties));
            }
        }
    }
    return createdRelationships;
}

Example 70 with NodeInterface

use of org.structr.core.graph.NodeInterface in project structr by structr.

the class OneEndpoint method set.

@Override
public Object set(final SecurityContext securityContext, final NodeInterface sourceNode, final T targetNode) throws FrameworkException {
    final PropertyMap properties = new PropertyMap();
    final NodeInterface actualTargetNode = (NodeInterface) unwrap(securityContext, relation.getClass(), targetNode, properties);
    final T actualSourceNode = (T) unwrap(securityContext, relation.getClass(), sourceNode, properties);
    // let relation check multiplicity
    relation.ensureCardinality(securityContext, actualSourceNode, actualTargetNode);
    if (actualSourceNode != null && actualTargetNode != null) {
        final String storageKey = actualSourceNode.getName() + relation.name() + actualTargetNode.getName();
        final PropertyMap notionProperties = getNotionProperties(securityContext, relation.getClass(), storageKey);
        if (notionProperties != null) {
            properties.putAll(notionProperties);
        }
        // create new relationship
        return StructrApp.getInstance(securityContext).create(actualSourceNode, actualTargetNode, relation.getClass(), properties);
    }
    return null;
}