ONOSFW-171

O/S-SFC-ONOS scenario documentation

Change-Id: I51ae1cf736ea24ab6680f8edca1b2bf5dd598365
Signed-off-by: CNlucius <lukai1@huawei.com>

1 files changed, 0 insertions, 81 deletions

diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/AsyncCachingConsistentMap.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/AsyncCachingConsistentMap.java
deleted file mode 100644
index 92db5b44..00000000
--- a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/AsyncCachingConsistentMap.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * 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 org.onosproject.store.consistent.impl;
-
-import java.util.concurrent.CompletableFuture;
-
-import org.onosproject.core.ApplicationId;
-import org.onosproject.store.service.Serializer;
-import org.onosproject.store.service.Versioned;
-
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
-
-/**
- * Extension of {@link DefaultAsyncConsistentMap} that provides a weaker read consistency
- * guarantee in return for better read performance.
- * <p>
- * For read/write operations that are local to a node this map implementation provides
- * guarantees similar to a ConsistentMap. However for read/write operations executed
- * across multiple nodes this implementation only provides eventual consistency.
- *
- * @param <K> key type
- * @param <V> value type
- */
-public class AsyncCachingConsistentMap<K, V> extends DefaultAsyncConsistentMap<K, V> {
-
-    private final LoadingCache<K, CompletableFuture<Versioned<V>>> cache =
-            CacheBuilder.newBuilder()
-                        .maximumSize(10000) // TODO: make configurable
-                        .build(new CacheLoader<K, CompletableFuture<Versioned<V>>>() {
-                            @Override
-                            public CompletableFuture<Versioned<V>> load(K key)
-                                    throws Exception {
-                                return AsyncCachingConsistentMap.super.get(key);
-                            }
-                        });
-
-    public AsyncCachingConsistentMap(String name,
-            ApplicationId applicationId,
-            Database database,
-            Serializer serializer,
-            boolean readOnly,
-            boolean purgeOnUninstall,
-            boolean meteringEnabled) {
-        super(name, applicationId, database, serializer, readOnly, purgeOnUninstall, meteringEnabled);
-        addListener(event -> cache.invalidate(event.key()));
-    }
-
-    @Override
-    public CompletableFuture<Versioned<V>> get(K key) {
-        CompletableFuture<Versioned<V>> cachedValue = cache.getIfPresent(key);
-        if (cachedValue != null) {
-            if (cachedValue.isCompletedExceptionally()) {
-                cache.invalidate(key);
-            } else {
-                return cachedValue;
-            }
-        }
-        return cache.getUnchecked(key);
-    }
-
-    @Override
-    protected void beforeUpdate(K key) {
-        super.beforeUpdate(key);
-        cache.invalidate(key);
-    }
-}
\ No newline at end of file