BlobStoreListenerList.java

package org.geowebcache.storage;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

public final class BlobStoreListenerList {

    private List<BlobStoreListener> listeners = new CopyOnWriteArrayList<BlobStoreListener>();

    public Iterable<BlobStoreListener> getListeners(){
        return new ArrayList<BlobStoreListener>(listeners);
    }
    
    public boolean isEmpty() {
        return listeners.isEmpty();
    }

    public synchronized void addListener(BlobStoreListener listener) {
        if (listener != null && !listeners.contains(listener)) {
            listeners.add(listener);
        }
    }

    public synchronized boolean removeListener(BlobStoreListener listener) {
        return listeners.remove(listener);
    }

    public void sendLayerDeleted(String layerName) {
        listeners.forEach(listener->{
            listener.layerDeleted(layerName);
        });
    }

    public void sendLayerRenamed(String oldLayerName, String newLayerName) {
        listeners.forEach(listener->{
            listener.layerRenamed(oldLayerName, newLayerName);
        });
    }

    public void sendGridSubsetDeleted(String layerName, String gridSetId) {
        listeners.forEach(listener->{
            listener.gridSubsetDeleted(layerName, gridSetId);
        });
    }
    public void sendParametersDeleted(String layerName, String parametersId) {
        listeners.forEach(listener->{
            listener.parametersDeleted(layerName, parametersId);
        });
    }

    public void sendTileDeleted(String layerName, String gridSetId, String blobFormat,
            String parametersId, long x, long y, int z, long length) {
        listeners.forEach(listener->{
            listener.tileDeleted(layerName, gridSetId, blobFormat, parametersId, x, y,
                    z, length);
        });
    }
    
    public void sendTileDeleted(final TileObject stObj) {
        
        final long[] xyz = stObj.getXYZ();
        final String layerName = stObj.getLayerName();
        final String gridSetId = stObj.getGridSetId();
        final String blobFormat = stObj.getBlobFormat();
        final String paramsId = stObj.getParametersId();
        final int blobSize = stObj.getBlobSize();
        
        sendTileDeleted(layerName, gridSetId, blobFormat, paramsId, xyz[0], xyz[1],
                (int) xyz[2], blobSize);
    }
    
    public void sendTileStored(String layerName, String gridSetId, String blobFormat,
            String parametersId, long x, long y, int z, long length) {
        listeners.forEach(listener->{
            listener.tileStored(layerName, gridSetId, blobFormat, parametersId, x, y,
                    z, length);
        });
    }
    
    public void sendTileStored(final TileObject stObj) {
        
        final long[] xyz = stObj.getXYZ();
        final String layerName = stObj.getLayerName();
        final String gridSetId = stObj.getGridSetId();
        final String blobFormat = stObj.getBlobFormat();
        final String paramsId = stObj.getParametersId();
        final int blobSize = stObj.getBlobSize();
        
        sendTileStored(layerName, gridSetId, blobFormat, paramsId, xyz[0], xyz[1],
                (int) xyz[2], blobSize);
    }
    
    public void sendTileUpdated(String layerName, String gridSetId, String blobFormat,
            String parametersId, long x, long y, int z, long blobSize, long oldSize) {
        listeners.forEach(listener->{
            listener.tileUpdated(layerName, gridSetId, blobFormat, parametersId, x, y,
                    z, blobSize, oldSize);
        });
    }
    
    public void sendTileUpdated(final TileObject stObj, final long oldSize) {
        
        final long[] xyz = stObj.getXYZ();
        final String layerName = stObj.getLayerName();
        final String gridSetId = stObj.getGridSetId();
        final String blobFormat = stObj.getBlobFormat();
        final String paramsId = stObj.getParametersId();
        final int blobSize = stObj.getBlobSize();
        
        sendTileUpdated(layerName, gridSetId, blobFormat, paramsId, xyz[0], xyz[1],
                (int) xyz[2], blobSize, oldSize);
    }
}