1 files changed, 0 insertions, 121 deletions
diff --git a/src/main/java/org/onap/dcae/common/publishing/DMaaPPublishersCache.java b/src/main/java/org/onap/dcae/common/publishing/DMaaPPublishersCache.java
deleted file mode 100644
index b7997ef9..00000000
--- a/src/main/java/org/onap/dcae/common/publishing/DMaaPPublishersCache.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * org.onap.dcaegen2.collectors.ves
- * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
- * Copyright (C) 2018 Nokia. All rights reserved.
- * ================================================================================
- * 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.dcae.common.publishing;
-
-import com.att.nsa.cambria.client.CambriaBatchingPublisher;
-import com.google.common.cache.*;
-import io.vavr.collection.Map;
-import io.vavr.control.Option;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.annotation.Nonnull;
-import java.io.IOException;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicReference;
-
-import static io.vavr.API.Option;
-import static org.onap.dcae.common.publishing.VavrUtils.f;
-
-/**
- * @author Pawel Szalapski (pawel.szalapski@nokia.com)
- */
-class DMaaPPublishersCache {
-
-    private static final Logger log = LoggerFactory.getLogger(DMaaPPublishersCache.class);
-    private final LoadingCache<String, CambriaBatchingPublisher> publishersCache;
-    private AtomicReference<Map<String, PublisherConfig>> dMaaPConfiguration;
-
-    DMaaPPublishersCache(Map<String, PublisherConfig> dMaaPConfiguration) {
-        this.dMaaPConfiguration = new AtomicReference<>(dMaaPConfiguration);
-        this.publishersCache = CacheBuilder.newBuilder()
-                .removalListener(new OnPublisherRemovalListener())
-                .build(new CambriaPublishersCacheLoader());
-    }
-
-    DMaaPPublishersCache(CambriaPublishersCacheLoader dMaaPPublishersCacheLoader,
-                         OnPublisherRemovalListener onPublisherRemovalListener,
-                         Map<String, PublisherConfig> dMaaPConfiguration) {
-        this.dMaaPConfiguration = new AtomicReference<>(dMaaPConfiguration);
-        this.publishersCache = CacheBuilder.newBuilder()
-                .removalListener(onPublisherRemovalListener)
-                .build(dMaaPPublishersCacheLoader);
-    }
-
-    Option<CambriaBatchingPublisher> getPublisher(String streamID) {
-        try {
-            return Option(publishersCache.getUnchecked(streamID));
-        } catch (Exception e) {
-            log.warn("Could not create / load Cambria Publisher for streamID", e);
-            return Option.none();
-        }
-    }
-
-    void closePublisherFor(String streamId) {
-        publishersCache.invalidate(streamId);
-    }
-
-    synchronized void reconfigure(Map<String, PublisherConfig> newConfig) {
-        Map<String, PublisherConfig> currentConfig = dMaaPConfiguration.get();
-        Map<String, PublisherConfig> removedConfigurations = currentConfig
-                .filterKeys(domain -> !newConfig.containsKey(domain));
-        Map<String, PublisherConfig> changedConfigurations = newConfig
-                .filterKeys(e -> currentConfig.containsKey(e) && !currentConfig.get(e).equals(newConfig.get(e)));
-        dMaaPConfiguration.set(newConfig);
-        removedConfigurations.merge(changedConfigurations).forEach(e -> publishersCache.invalidate(e._1));
-    }
-
-    static class OnPublisherRemovalListener implements RemovalListener<String, CambriaBatchingPublisher> {
-
-        @Override
-        public void onRemoval(@Nonnull RemovalNotification<String, CambriaBatchingPublisher> notification) {
-            CambriaBatchingPublisher publisher = notification.getValue();
-            if (publisher != null) { // The value might get Garbage Collected at this moment, regardless of @Nonnull
-                try {
-                    int timeout = 20;
-                    TimeUnit unit = TimeUnit.SECONDS;
-                    java.util.List<?> stuck = publisher.close(timeout, unit);
-                    if (!stuck.isEmpty()) {
-                        log.error(f("Publisher got stuck and did not manage to close in '%s' '%s', "
-                                + "%s messages were dropped", stuck.size(), timeout, unit));
-                    }
-                } catch (InterruptedException | IOException e) {
-                    log.error("Could not close Cambria publisher, some messages might have been dropped", e);
-                    Thread.currentThread().interrupt();
-                }
-            }
-        }
-    }
-
-    class CambriaPublishersCacheLoader extends CacheLoader<String, CambriaBatchingPublisher> {
-
-        @Override
-        public CambriaBatchingPublisher load(@Nonnull String domain) {
-            return dMaaPConfiguration.get()
-                    .get(domain)
-                    .toTry(() -> new RuntimeException(
-                            f("DMaaP configuration contains no configuration for domain: '%s'", domain)))
-                    .flatMap(DMaaPPublishersBuilder::buildPublisher)
-                    .get();
-        }
-    }
-
-}