diff options
author | Instrumental <jonathan.gathman@att.com> | 2018-11-07 20:52:15 -0600 |
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committer | Instrumental <jonathan.gathman@att.com> | 2018-11-07 20:52:27 -0600 |
commit | 5aa8aec689a399e7803e84e531532d0c61631ec1 (patch) | |
tree | a5297d6d21b940b9411609331973909e1f6869e4 /sidecar/fproxy/src/main/java/org/onap/aaf/cadi/sidecar/fproxy/cache/InMemoryCredentialCache.java | |
parent | e9c0bf259db0084592536e896cc449b5cf34b84f (diff) |
Fix/Renable sidecar builds
Issue-ID: AAF-613
Change-Id: Ic13411eebbf3c1c9b6d8492aff1b37db37a965e4
Signed-off-by: Instrumental <jonathan.gathman@att.com>
Diffstat (limited to 'sidecar/fproxy/src/main/java/org/onap/aaf/cadi/sidecar/fproxy/cache/InMemoryCredentialCache.java')
-rw-r--r-- | sidecar/fproxy/src/main/java/org/onap/aaf/cadi/sidecar/fproxy/cache/InMemoryCredentialCache.java | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/sidecar/fproxy/src/main/java/org/onap/aaf/cadi/sidecar/fproxy/cache/InMemoryCredentialCache.java b/sidecar/fproxy/src/main/java/org/onap/aaf/cadi/sidecar/fproxy/cache/InMemoryCredentialCache.java new file mode 100644 index 0000000..5ba9bdb --- /dev/null +++ b/sidecar/fproxy/src/main/java/org/onap/aaf/cadi/sidecar/fproxy/cache/InMemoryCredentialCache.java @@ -0,0 +1,117 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aaf + * ================================================================================ + * Copyright © 2018 European Software Marketing Ltd. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.aaf.cadi.sidecar.fproxy.cache; + +import java.lang.ref.SoftReference; +import java.util.Optional; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.DelayQueue; +import java.util.concurrent.Delayed; +import java.util.concurrent.TimeUnit; + +import org.onap.aaf.cadi.sidecar.fproxy.data.CredentialCacheData; + +public class InMemoryCredentialCache implements CredentialCache { + + private final ConcurrentHashMap<String, SoftReference<CredentialCacheData>> cache = new ConcurrentHashMap<>(); + private final DelayQueue<DelayedCacheObject> cleaningUpQueue = new DelayQueue<>(); + + public InMemoryCredentialCache() { + Thread cleanerThread = new Thread(() -> { + while (!Thread.currentThread().isInterrupted()) { + try { + DelayedCacheObject delayedCacheObject = cleaningUpQueue.take(); + cache.remove(delayedCacheObject.getKey(), delayedCacheObject.getReference()); + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + } + } + }); + cleanerThread.setDaemon(true); + cleanerThread.start(); + } + + @Override + public void add(String key, CredentialCacheData value, long periodInMillis) { + if (key == null) { + return; + } + if (value == null) { + cache.remove(key); + } else { + long expiryTime = System.currentTimeMillis() + periodInMillis; + SoftReference<CredentialCacheData> reference = new SoftReference<>(value); + cache.put(key, reference); + cleaningUpQueue.put(new DelayedCacheObject(key, reference, expiryTime)); + } + } + + @Override + public void remove(String key) { + cache.remove(key); + } + + @Override + public CredentialCacheData get(String key) { + return Optional.ofNullable(cache.get(key)).map(SoftReference::get).orElse(null); + } + + @Override + public void clear() { + cache.clear(); + } + + @Override + public long size() { + return cache.size(); + } + + private static class DelayedCacheObject implements Delayed { + + private final String key; + private final SoftReference<CredentialCacheData> reference; + private final long expiryTime; + + public DelayedCacheObject(String key, SoftReference<CredentialCacheData> reference, long expiryTime) { + super(); + this.key = key; + this.reference = reference; + this.expiryTime = expiryTime; + } + + @Override + public long getDelay(TimeUnit unit) { + return unit.convert(expiryTime - System.currentTimeMillis(), TimeUnit.MILLISECONDS); + } + + @Override + public int compareTo(Delayed o) { + return Long.compare(expiryTime, ((DelayedCacheObject) o).expiryTime); + } + + public String getKey() { + return key; + } + + public SoftReference<CredentialCacheData> getReference() { + return reference; + } + } +} |