Method Details

• getInstance

  public static SimpleCacheResolver getInstance()

  Lazily constructs and gets an instance to the SimpleCacheResolver, as needed.

  Returns:

  an instance of the SimpleCacheResolver.

  See Also:

  • newSimpleCacheResolver()

• resolve

  public <T extends org.apache.geode.cache.GemFireCache> Optional<T> resolve()

  The resolution algorithm first tries to resolve an Optional ClientCache instance then a peer Cache instance if a ClientCache is not present. If neither a ClientCache or peer Cache is available, then Optional.empty() is returned. No Exception is thrown.

  Type Parameters:

  T - subclass of GemFireCache.

  Returns:

  a ClientCache or then a peer Cache instance if present.

  See Also:

  • ClientCache
  • Cache
  • Optional
  • resolveClientCache()
  • resolvePeerCache()

• resolveClientCache

  public Optional<org.apache.geode.cache.client.ClientCache> resolveClientCache()

  Attempts to resolve an Optional ClientCache instance.

  Returns:

  an Optional ClientCache instance.

  See Also:

  • CacheUtils.isClientCache(RegionService)
  • ClientCacheFactory.getAnyInstance()
  • ClientCache
  • Optional

• resolvePeerCache

  public Optional<org.apache.geode.cache.Cache> resolvePeerCache()

  Attempts to resolve an Optional Cache instance.

  Returns:

  an Optional Cache instance.

  See Also:

  • CacheUtils.isPeerCache(RegionService)
  • CacheFactory.getAnyInstance()
  • Cache
  • Optional

• require

  public <T extends org.apache.geode.cache.GemFireCache> T require()

  Requires an instance of either a ClientCache or a peer Cache.

  Type Parameters:

  T - subclass of GemFireCache to resolve.

  Returns:

  an instance of either a ClientCache or a peer Cache.

  Throws:

  IllegalStateException - if a cache instance cannot be resolved.

  See Also:

  • ClientCache
  • Cache
  • GemFireCache
  • resolve()