org.opendaylight.netvirt.sfc.classifier.service.domain.impl.ClassifierUpdate.java Source code

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Here is the source code for org.opendaylight.netvirt.sfc.classifier.service.domain.impl.ClassifierUpdate.java

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/*
 * Copyright (c) 2017 Ericsson Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.netvirt.sfc.classifier.service.domain.impl;

import com.google.common.collect.Sets;
import java.util.List;
import java.util.Set;
import org.opendaylight.netvirt.sfc.classifier.service.domain.api.ClassifierEntryRenderer;
import org.opendaylight.netvirt.sfc.classifier.service.domain.api.ClassifierRenderableEntry;
import org.opendaylight.netvirt.sfc.classifier.service.domain.api.ClassifierState;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ClassifierUpdate implements Runnable {

    private final ClassifierState configurationClassifier;
    private final ClassifierState operationalClassifier;
    private final List<ClassifierEntryRenderer> classifierRenderers;
    private static final Logger LOG = LoggerFactory.getLogger(ConfigurationClassifierImpl.class);

    public ClassifierUpdate(ClassifierState configurationClassifier, ClassifierState operationalClassifier,
            List<ClassifierEntryRenderer> classifierRenderers) {
        this.configurationClassifier = configurationClassifier;
        this.operationalClassifier = operationalClassifier;
        this.classifierRenderers = classifierRenderers;
    }

    @Override
    public void run() {
        Set<ClassifierRenderableEntry> configurationEntries = configurationClassifier.getAllEntries();
        Set<ClassifierRenderableEntry> operationalEntries = operationalClassifier.getAllEntries();
        Set<ClassifierRenderableEntry> entriesToAdd = Sets.difference(configurationEntries, operationalEntries);
        Set<ClassifierRenderableEntry> entriesToRemove = Sets.difference(operationalEntries, configurationEntries);

        LOG.trace("Configuration entries: {}", configurationEntries);
        LOG.trace("Operational entries: {}", operationalEntries);
        LOG.trace("Entries to add: {}", entriesToAdd);
        LOG.trace("Entries to remove: {}", entriesToRemove);

        classifierRenderers.forEach(classifierRenderer -> {
            entriesToAdd.forEach(classifierRenderableEntry -> classifierRenderableEntry.render(classifierRenderer));
            entriesToRemove
                    .forEach(classifierRenderableEntry -> classifierRenderableEntry.suppress(classifierRenderer));
        });
    }
}