1 files changed, 74 insertions, 0 deletions
diff --git a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/ApexPluginsEventProducer.java b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/ApexPluginsEventProducer.java
new file mode 100644
index 000000000..06c3d4163
--- /dev/null
+++ b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/event/ApexPluginsEventProducer.java
@@ -0,0 +1,74 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.service.engine.event;
+
+import org.onap.policy.apex.core.infrastructure.threading.ApplicationThreadFactory;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
+
+import java.util.EnumMap;
+import java.util.Map;
+import java.util.Properties;
+
+public abstract class ApexPluginsEventProducer implements ApexEventProducer {
+    // The name for this producer
+    protected String name = null;
+    // The peer references for this event handler
+    protected Map<EventHandlerPeeredMode, PeeredReference> peerReferenceMap = new EnumMap<>(EventHandlerPeeredMode.class);
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public PeeredReference getPeeredReference(final EventHandlerPeeredMode peeredMode) {
+        return peerReferenceMap.get(peeredMode);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void setPeeredReference(final EventHandlerPeeredMode peeredMode, final PeeredReference peeredReference) {
+        peerReferenceMap.put(peeredMode, peeredReference);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void sendEvent(final long executionId, final Properties executionProperties, final String eventName,
+                          final Object event) {
+        // Check if this is a synchronized event, if so we have received a reply
+        final SynchronousEventCache synchronousEventCache =
+                (SynchronousEventCache) peerReferenceMap.get(EventHandlerPeeredMode.SYNCHRONOUS);
+        if (synchronousEventCache != null) {
+            synchronousEventCache.removeCachedEventToApexIfExists(executionId);
+        }
+    }
+
+}