/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.nifi.web.dao.impl;
import org.apache.nifi.connectable.Funnel;
import org.apache.nifi.connectable.Position;
import org.apache.nifi.controller.FlowController;
import org.apache.nifi.groups.ProcessGroup;
import org.apache.nifi.web.ResourceNotFoundException;
import org.apache.nifi.web.api.dto.FunnelDTO;
import org.apache.nifi.web.dao.FunnelDAO;
import java.util.Set;
public class StandardFunnelDAO extends ComponentDAO implements FunnelDAO {
private FlowController flowController;
private Funnel locateFunnel(final String funnelId) {
final ProcessGroup rootGroup = flowController.getGroup(flowController.getRootGroupId());
final Funnel funnel = rootGroup.findFunnel(funnelId);
if (funnel == null) {
throw new ResourceNotFoundException(String.format("Unable to find funnel with id '%s'.", funnelId));
} else {
return funnel;
}
}
@Override
public boolean hasFunnel(String funnelId) {
final ProcessGroup rootGroup = flowController.getGroup(flowController.getRootGroupId());
return rootGroup.findFunnel(funnelId) != null;
}
@Override
public Funnel createFunnel(String groupId, FunnelDTO funnelDTO) {
if (funnelDTO.getParentGroupId() != null && !flowController.areGroupsSame(groupId, funnelDTO.getParentGroupId())) {
throw new IllegalArgumentException("Cannot specify a different Parent Group ID than the Group to which the Funnel is being added.");
}
// get the desired group
ProcessGroup group = locateProcessGroup(flowController, groupId);
// create the funnel
Funnel funnel = flowController.createFunnel(funnelDTO.getId());
if (funnelDTO.getPosition() != null) {
funnel.setPosition(new Position(funnelDTO.getPosition().getX(), funnelDTO.getPosition().getY()));
}
// add the funnel
group.addFunnel(funnel);
group.startFunnel(funnel);
return funnel;
}
@Override
public Funnel getFunnel(String funnelId) {
return locateFunnel(funnelId);
}
@Override
public Set<Funnel> getFunnels(String groupId) {
ProcessGroup group = locateProcessGroup(flowController, groupId);
return group.getFunnels();
}
@Override
public Funnel updateFunnel(FunnelDTO funnelDTO) {
// get the funnel being updated
Funnel funnel = locateFunnel(funnelDTO.getId());
// update the label state
if (isNotNull(funnelDTO.getPosition())) {
if (funnelDTO.getPosition() != null) {
funnel.setPosition(new Position(funnelDTO.getPosition().getX(), funnelDTO.getPosition().getY()));
}
}
return funnel;
}
@Override
public void verifyDelete(String funnelId) {
Funnel funnel = locateFunnel(funnelId);
funnel.verifyCanDelete();
}
@Override
public void deleteFunnel(String funnelId) {
// get the funnel
Funnel funnel = locateFunnel(funnelId);
// remove the funnel
funnel.getProcessGroup().removeFunnel(funnel);
}
/* setters */
public void setFlowController(FlowController flowController) {
this.flowController = flowController;
}
}