1 files changed, 106 insertions, 0 deletions
diff --git a/models-interactions/model-actors/actor.cds/src/main/java/org/onap/policy/controlloop/actor/cds/GrpcOperator.java b/models-interactions/model-actors/actor.cds/src/main/java/org/onap/policy/controlloop/actor/cds/GrpcOperator.java
new file mode 100644
index 000000000..cc38d7205
--- /dev/null
+++ b/models-interactions/model-actors/actor.cds/src/main/java/org/onap/policy/controlloop/actor/cds/GrpcOperator.java
@@ -0,0 +1,106 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Bell Canada. 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.policy.controlloop.actor.cds;
+
+import java.util.Map;
+import lombok.Getter;
+import org.onap.policy.cds.properties.CdsServerProperties;
+import org.onap.policy.common.parameters.ValidationResult;
+import org.onap.policy.controlloop.actorserviceprovider.Operation;
+import org.onap.policy.controlloop.actorserviceprovider.Util;
+import org.onap.policy.controlloop.actorserviceprovider.impl.OperationMaker;
+import org.onap.policy.controlloop.actorserviceprovider.impl.OperatorPartial;
+import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
+import org.onap.policy.controlloop.actorserviceprovider.parameters.ParameterValidationRuntimeException;
+
+/**
+ * Operator that uses gRPC. The operator's parameters must be a
+ * {@link CdsServerProperties}.
+ */
+@Getter
+public class GrpcOperator extends OperatorPartial {
+
+    /**
+     * Function to make an operation.
+     */
+    private final OperationMaker<GrpcConfig, GrpcOperation> operationMaker;
+
+    /**
+     * Current configuration. This is set by {@link #doConfigure(Map)}.
+     */
+    private GrpcConfig currentConfig;
+
+    /**
+     * Constructs the object.
+     *
+     * @param actorName name of the actor with which this operator is associated
+     * @param name operation name
+     */
+    public GrpcOperator(String actorName, String name) {
+        this(actorName, name, null);
+    }
+
+    /**
+     * Constructs the object.
+     *
+     * @param actorName name of the actor with which this operator is associated
+     * @param name operation name
+     * @param operationMaker function to make an operation
+     */
+    public GrpcOperator(String actorName, String name, OperationMaker<GrpcConfig, GrpcOperation> operationMaker) {
+        super(actorName, name);
+        this.operationMaker = operationMaker;
+    }
+
+    /**
+     * Translates the parameters to an {@link CdsServerProperties} and then extracts the
+     * relevant values.
+     */
+    @Override
+    protected void doConfigure(Map<String, Object> parameters) {
+        currentConfig = makeConfiguration(parameters);
+    }
+
+    /**
+     * Makes a new configuration using the specified parameters.
+     *
+     * @param parameters operator parameters
+     * @return a new configuration
+     */
+    protected GrpcConfig makeConfiguration(Map<String, Object> parameters) {
+        CdsServerProperties params = Util.translate(getFullName(), parameters, CdsServerProperties.class);
+        ValidationResult result = params.validate();
+        if (!result.isValid()) {
+            throw new ParameterValidationRuntimeException("invalid parameters", result);
+        }
+        return new GrpcConfig(getBlockingExecutor(), params);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public Operation buildOperation(ControlLoopOperationParams params) {
+        if (operationMaker == null) {
+            throw new UnsupportedOperationException("cannot make operation for " + getFullName());
+        }
+        verifyRunning();
+        return operationMaker.apply(params, currentConfig);
+    }
+}