diff options
Diffstat (limited to 'appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/CoreRegistry.java')
-rw-r--r-- | appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/CoreRegistry.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/CoreRegistry.java b/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/CoreRegistry.java new file mode 100644 index 000000000..8d5d0b729 --- /dev/null +++ b/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/CoreRegistry.java @@ -0,0 +1,70 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP : APPC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Copyright (C) 2017 Amdocs + * ============================================================================= + * 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. + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * ============LICENSE_END========================================================= + */ + +package org.openecomp.appc.client.impl.core; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +/** client lib Registry + */ +class CoreRegistry<T>{ + private Map<String, T> registry = + new ConcurrentHashMap<String, T>(); + + final private EmptyRegistryCallback emptyRegistryCallback; + + + CoreRegistry(EmptyRegistryCallback emptyRegistryCallback){ + this.emptyRegistryCallback = emptyRegistryCallback; + } + + void register(String key, T obj) { + registry.put(key, obj); + } + + <T> T unregister(String key) { + T item = (T) registry.remove(key); + if(registry.isEmpty()) { + emptyRegistryCallback.emptyCallback(); + } + return item; + } + + <T> T get(String key){ + return (T) registry.get(key); + } + + synchronized boolean isExist(String key) { + return registry.containsKey(key); + } + + boolean isEmpty(){ + return registry.isEmpty(); + } + + public interface EmptyRegistryCallback{ + void emptyCallback(); + } +} |