jnidzwetzki/bitfinex-v2-wss-api-java

/*******************************************************************************
 *
 *    Copyright (C) 2015-2018 Jan Kristof Nidzwetzki
 *  
 *    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.github.jnidzwetzki.bitfinex.v2.manager;

import java.util.Set;
import java.util.concurrent.ExecutorService;

import com.google.common.collect.Sets;

import com.github.jnidzwetzki.bitfinex.v2.BitfinexConnectionFeature;
import com.github.jnidzwetzki.bitfinex.v2.BitfinexWebsocketClient;
import com.github.jnidzwetzki.bitfinex.v2.command.SetConnectionFeaturesCommand;

public class ConnectionFeatureManager extends AbstractManager {
    
    /**
     * The connection features
     */
    private final Set<BitfinexConnectionFeature> connectionFeatures;
    
    /**
     * The active connection features 
     * (we got a status update for our requested features)
     */
    private int activeConnectionFeatures;
    
    
    public ConnectionFeatureManager(final BitfinexWebsocketClient client,
            final ExecutorService executorService) {
        super(client, executorService);
        
        this.connectionFeatures = Sets.newConcurrentHashSet();
        this.activeConnectionFeatures = 0;
    }

    /**
     * Enable a connection feature
     * @param feature
     */
    public void enableConnectionFeature(final BitfinexConnectionFeature feature) {
        connectionFeatures.add(feature);
        applyConnectionFeatures();
    }
    
    /**
     * Disable a connection feature
     * @param feature
     */
    public void disableConnectionFeature(final BitfinexConnectionFeature feature) {
        connectionFeatures.remove(feature);
        applyConnectionFeatures();
    }

    /**
     * Is the given connection feature enabled?
     * @param feature
     * @return
     */
    public boolean isConnectionFeatureEnabled(final BitfinexConnectionFeature feature) {
        return connectionFeatures.contains(feature);
    }
    
    /**
     * Get the active connection features
     * @return
     */
    public int getActiveConnectionFeatures() {
        return activeConnectionFeatures;
    }
    
    /**
     * Is the given connection feature active?
     * @param feature
     * @return
     */
    public boolean isConnectionFeatureActive(final BitfinexConnectionFeature feature) {
        return (activeConnectionFeatures | feature.getFeatureFlag()) == activeConnectionFeatures;
    }
    
    /**
     * Set the active connection features
     * @param activeConnectionFeatures
     */
    public void setActiveConnectionFeatures(final int activeConnectionFeatures) {
        this.activeConnectionFeatures = activeConnectionFeatures;
    }
    
    /**
     * Apply the set connection features to connection
     */
    public void applyConnectionFeatures() {
        final SetConnectionFeaturesCommand apiCommand = new SetConnectionFeaturesCommand(connectionFeatures);
        client.sendCommand(apiCommand);
    }
}