org.onosproject.mtuldp.api.storage.MtuldpDataStorage.java Source code

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Here is the source code for org.onosproject.mtuldp.api.storage.MtuldpDataStorage.java

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/*
 * Copyright (c) 2016,  Gercom. Lab.
 * Licensed 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.onosproject.mtuldp.api.storage;

import com.google.common.collect.ImmutableSet;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.onosproject.mtuldp.api.link.DefaultMtuldpLink;
import org.onosproject.mtuldp.api.link.MtuldpDirectLink;
import org.onosproject.mtuldp.api.link.MtuldpEdgeLink;
import org.onosproject.net.Link;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Created by fernando on 22/03/16.
 */
public class MtuldpDataStorage {

    protected final Logger log = LoggerFactory.getLogger(getClass());

    private Map<String, MtuldpDirectLink> directLinkStore;
    private Map<String, MtuldpEdgeLink> edgeLinkStore;

    public MtuldpDataStorage() {
        this.directLinkStore = new ConcurrentHashMap<>();
        this.edgeLinkStore = new ConcurrentHashMap<>();
    }

    public boolean createLink(DefaultMtuldpLink link) {

        checkNotNull(link, "The link cannot be null");

        if (link instanceof MtuldpDirectLink) {
            MtuldpDirectLink tmpLink = (MtuldpDirectLink) link;
            if (!directLinkStore.containsValue(tmpLink)) {
                directLinkStore.put(tmpLink.getUrnLinkId(), tmpLink);
                return true;
            } else {
                log.warn("the direct link is already exist");
                return false;
            }

        } else if (link instanceof MtuldpEdgeLink) {
            MtuldpEdgeLink tmpLink = (MtuldpEdgeLink) link;
            if (!edgeLinkStore.containsValue(tmpLink)) {
                edgeLinkStore.put(tmpLink.getUrnLinkId(), tmpLink);
                return true;
            } else {
                log.warn("the edge link is already exist");
                return false;
            }
        } else {
            log.error("the link unknown");
        }
        return false;
    }

    public boolean removeLink(String urn) {

        checkNotNull(urn, "The link cannot be null");

        DefaultMtuldpLink link = getLink(urn);

        if (link instanceof MtuldpDirectLink) {
            MtuldpDirectLink tmpLink = (MtuldpDirectLink) link;
            if (directLinkStore.containsValue(tmpLink)) {
                directLinkStore.remove(tmpLink.getUrnLinkId());
                log.debug("the direct link was deleted with id {}", tmpLink.getUrnLinkId());
                return true;
            } else {
                log.warn("the direct link is not exist");
                return false;
            }
        } else if (link instanceof MtuldpEdgeLink) {
            MtuldpEdgeLink tmpLink = (MtuldpEdgeLink) link;
            if (edgeLinkStore.containsValue(tmpLink)) {
                edgeLinkStore.remove(tmpLink.getUrnLinkId());
                log.debug("the direct link was deleted with id {}", tmpLink.getUrnLinkId());
                return true;
            } else {
                log.warn("the edge link is not exist");
                return false;
            }
        } else {
            log.error("the link unknown");
        }
        return false;
    }

    public boolean updateLink(String urn, DefaultMtuldpLink newlink) {
        checkNotNull(urn, "urn Cannot be null");
        checkNotNull(newlink, "mtudplink cannot be null");

        if (newlink instanceof MtuldpDirectLink) {
            if (!directLinkStore.get(urn).equals(newlink)) {
                directLinkStore.replace(urn, directLinkStore.get(urn), (MtuldpDirectLink) newlink);
                log.debug("New Direct link inserted");
                return true;

            } else {
                log.debug("The new link object is equal to old object");
                return false;
            }
        } else if (newlink instanceof MtuldpEdgeLink) {
            if (!edgeLinkStore.get(urn).equals(newlink)) {
                edgeLinkStore.replace(urn, edgeLinkStore.get(urn), (MtuldpEdgeLink) newlink);
                log.debug("New Edge link inserted");
                return true;
            } else {
                log.debug("The new link object is equal to old object");
                return false;
            }
        } else {
            log.error("the link unknown");
        }
        return false;
    }

    public MtuldpDirectLink getMtuldpDirectLink(String urn) {
        if (getLink(urn) instanceof MtuldpDirectLink) {
            return directLinkStore.get(urn);
        }
        return null;
    }

    public MtuldpEdgeLink getMtuldpEdgeLink(String urn) {
        if (getLink(urn) instanceof MtuldpEdgeLink) {
            return edgeLinkStore.get(urn);
        }
        return null;
    }

    public Set<MtuldpDirectLink> getMtuldpDirectLinks() {
        return ImmutableSet.copyOf(directLinkStore.values());
    }

    public Set<MtuldpEdgeLink> getMtuldpEdgeLinks() {
        return ImmutableSet.copyOf(edgeLinkStore.values());
    }

    public int getMtuLinkRate(String urn) {

        DefaultMtuldpLink link = checkNotNull(getLink(urn), "The link object unknown");

        if (link instanceof MtuldpDirectLink) {
            return directLinkStore.get(urn).getMtuRate();
        } else if (link instanceof MtuldpEdgeLink) {
            return edgeLinkStore.get(urn).getMtuRate();
        }
        return -1;
    }

    private DefaultMtuldpLink getLink(String urn) {
        if (StringUtils.containsIgnoreCase(urn, Link.Type.DIRECT.name())) {
            return directLinkStore.get(urn);
        } else if (StringUtils.containsIgnoreCase(urn, Link.Type.EDGE.name())) {
            return edgeLinkStore.get(urn);
        }
        return null;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;

        if (o == null || getClass() != o.getClass())
            return false;

        MtuldpDataStorage that = (MtuldpDataStorage) o;

        return new EqualsBuilder().append(directLinkStore, that.directLinkStore)
                .append(edgeLinkStore, that.edgeLinkStore).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder(17, 37).append(directLinkStore).append(edgeLinkStore).toHashCode();
    }
}