nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/reporting/StandardReportingContext.java

/*
 * 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.controller.reporting;

import org.apache.nifi.cluster.protocol.NodeIdentifier;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.components.state.StateManager;
import org.apache.nifi.controller.FlowController;
import org.apache.nifi.controller.flow.FlowManager;
import org.apache.nifi.parameter.ParameterLookup;
import org.apache.nifi.registry.VariableRegistry;
import org.apache.nifi.reporting.BulletinRepository;
import org.apache.nifi.reporting.EventAccess;
import org.apache.nifi.reporting.ReportingContext;
import org.apache.nifi.reporting.ReportingTask;

import java.util.Map;

public class StandardReportingContext extends AbstractReportingContext implements ReportingContext {

    private final FlowController flowController;
    private final EventAccess eventAccess;
    private final boolean analyticsEnabled;

    public StandardReportingContext(final FlowController flowController, final BulletinRepository bulletinRepository,
                                    final Map<PropertyDescriptor, String> properties, final ReportingTask reportingTask,
                                    final VariableRegistry variableRegistry, final ParameterLookup parameterLookup) {
        super(reportingTask, bulletinRepository, properties, flowController.getControllerServiceProvider(), parameterLookup, variableRegistry);
        this.flowController = flowController;
        this.eventAccess = flowController.getEventAccess();
        this.analyticsEnabled = flowController.getStatusAnalyticsEngine() != null;
    }

    @Override
    public EventAccess getEventAccess() {
        return eventAccess;
    }

    @Override
    public StateManager getStateManager() {
        return flowController.getStateManagerProvider().getStateManager(getReportingTask().getIdentifier());
    }

    @Override
    protected FlowManager getFlowManager() {
        return flowController.getFlowManager();
    }

    @Override
    public boolean isClustered() {
        return flowController.isConfiguredForClustering();
    }

    @Override
    public String getClusterNodeIdentifier() {
        final NodeIdentifier nodeId = flowController.getNodeId();
        return nodeId == null ? null : nodeId.getId();
    }

    @Override
    public boolean isAnalyticsEnabled() {
        return this.analyticsEnabled;
    }
}