com.oracle.coherence.spring.event.EventsHelper Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of coherence-spring-tests Show documentation
Integration Tests for Coherence Spring
The newest version!
/*
 * Copyright (c) 2013, 2023, Oracle and/or its affiliates.
 *
 * Licensed under the Universal Permissive License v 1.0 as shown at
 * https://oss.oracle.com/licenses/upl.
 */

package com.oracle.coherence.spring.event;

import java.util.Map;

import com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.partitionedService.PartitionedCache;
import com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.partitionedService.partitionedCache.Storage;
import com.tangosol.coherence.component.util.safeService.SafeCacheService;
import com.tangosol.net.CacheService;
import com.tangosol.net.NamedMap;

import org.springframework.util.Assert;

/**
 * A helper class for event tests.
 *
 * @author Gunnar Hillert
 * @since 3.0
 */
public final class EventsHelper {

	/**
	 * Private constructor for utility test.
	 */
	private EventsHelper() {
	}

	/**
	 * Returns the total number of listeners and key listeners on the provided {@link NamedMap}.
	 * @param map must not be null
	 * @return the total count of listeners
	 */
	public static int getTotalListenerCount(NamedMap map) {
		Storage storage = getStorage(map);
		return getKeyListenerCount(storage) + getListenerCount(storage);
	}

	/**
	 * Returns the number of listeners on the provided {@link NamedMap}.
	 * @param map must not be null
	 * @return the count of listeners
	 */
	public static int getListenerCount(NamedMap map) {
		Storage storage = getStorage(map);
		return getListenerCount(storage);
	}

	/**
	 * Returns the number of key listeners on the provided {@link NamedMap}.
	 * @param map must not be null
	 * @return the count of key listeners
	 */
	public static int getKeyListenerCount(NamedMap map) {
		Assert.notNull(map, "The NamedMap must not be null.");
		Storage storage = getStorage(map);
		return getKeyListenerCount(storage);
	}

	private static int getListenerCount(Storage storage) {
		if (storage == null) {
			return 0;
		}
		Map map = storage.getListenerMap();
		return (map != null) ? map.size() : 0;
	}

	private static int getKeyListenerCount(Storage storage) {
		if (storage == null) {
			return 0;
		}
		Map map = storage.getKeyListenerMap();
		return (map != null) ? map.size() : 0;
	}

	private static Storage getStorage(NamedMap map) {
		CacheService service = map.getService();
		if (service instanceof SafeCacheService) {
			service = ((SafeCacheService) service).getRunningCacheService();
		}

		return (service instanceof PartitionedCache) ? ((PartitionedCache) service).getStorage(map.getName()) : null;
	}
}