com.jivesoftware.sdk.api.entity.impl.memory.MemoryTileInstanceProvider.java Source code

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Here is the source code for com.jivesoftware.sdk.api.entity.impl.memory.MemoryTileInstanceProvider.java

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/*
 *
 *  * Copyright 2013 Jive Software
 *  *
 *  *    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 com.jivesoftware.sdk.api.entity.impl.memory;

import com.google.common.collect.Maps;
import com.jivesoftware.sdk.api.entity.TileInstance;
import com.jivesoftware.sdk.api.entity.TileInstanceProvider;
import com.jivesoftware.sdk.event.TileInstanceEvent;
import com.jivesoftware.sdk.event.TileInstanceEventListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import javax.inject.Singleton;
import java.util.Map;

/**
 * Created by rrutan on 2/3/14.
 */
@Singleton
public class MemoryTileInstanceProvider implements TileInstanceProvider, TileInstanceEventListener {
    private static final Logger log = LoggerFactory.getLogger(MemoryTileInstanceProvider.class);

    private Map<String, TileInstance> memoryTileInstanceStore;

    public MemoryTileInstanceProvider() {
        if (log.isTraceEnabled()) {
            log.trace("constructor called...");
        }
        memoryTileInstanceStore = Maps.newConcurrentMap();
    } // end constructor

    @Override
    public void init() throws TileInstanceProviderException {
        if (log.isTraceEnabled()) {
            log.trace("init called...");
        }
    } // end init

    @Override
    public boolean accepts(TileInstanceEvent event) {
        boolean accept = (TileInstanceEvent.Type.Unregister.equals(event.getType())
                || TileInstanceEvent.Type.RegisterSuccess.equals(event.getType()));
        if (log.isTraceEnabled()) {
            log.trace("accepts event[" + event.getType() + "] ...");
        }
        return accept;
    } // end accepts

    @Override
    public void process(TileInstanceEvent event) throws TileInstanceEventException {
        if (log.isDebugEnabled()) {
            log.debug("TileInstanceEvent[" + event.getType() + "] received ...");
        }

        try {
            if (TileInstanceEvent.Type.RegisterSuccess.equals(event.getType())) {
                update((TileInstance) event.getContext());
                if (log.isDebugEnabled()) {
                    log.debug("Successfully Saved tileInstance!");
                }
            } else if (TileInstanceEvent.Type.Unregister.equals(event.getType())) {
                remove((TileInstance) event.getContext());
                if (log.isDebugEnabled()) {
                    log.debug("Successfully Removed tileInstance!");
                }
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Unsupported Event, not Expected");
                }
            } // end if
        } catch (TileInstanceProviderException tipe) {
            log.error("Unable to update tileInstanceProvider", tipe);
        } // end try/catch
    } // end onJiveInstanceEvent

    @Override
    public TileInstance getTileInstanceByPushURL(String url) {
        if (log.isDebugEnabled()) {
            log.debug("getTileInstanceByPushURL [" + url + "] ...");
        }
        return memoryTileInstanceStore.get(url);
    } // end getTileByPushURL

    @Override
    public void remove(TileInstance tileInstance) throws TileInstanceProviderException {
        if (tileInstance == null) {
            if (log.isWarnEnabled()) {
                log.warn("Unable to Remove [null] Tile Instance, ignoring ...");
            }
            //TODO:  LOOP BACK FLOWS VALIDATION (simple return vs. Exception throw)
            return;
        } // end if

        if (log.isDebugEnabled()) {
            log.debug("remove [" + tileInstance.getJivePushUrl() + "] ...");
        }
        memoryTileInstanceStore.remove(tileInstance.getJivePushUrl());
    } // end remove

    @Override
    public void update(TileInstance tileInstance) throws TileInstanceProviderException {
        if (tileInstance == null) {
            if (log.isWarnEnabled()) {
                log.warn("Unable to Update [null] Tile Instance, ignoring ...");
            }
            //TODO:  LOOP BACK FLOWS VALIDATION (simple return vs. Exception throw)
            return;
        } // end if

        if (log.isDebugEnabled()) {
            log.debug("update [" + tileInstance.getJivePushUrl() + "] ...");
        }
        memoryTileInstanceStore.put(tileInstance.getJivePushUrl(), tileInstance);
    } // end update

    @Override
    public void dispose() {
        if (log.isTraceEnabled()) {
            log.trace("dispose called...");
        }
    } // end dispose

} // end class