Add feature-server-pool to the ONAP drools-pdp repository.

Issue-ID: POLICY-2351
Change-Id: I8ddde547a73a51c04c8dd9f1d66232e8281599a9
Signed-off-by: Straubs, Ralph (rs8887) <rs8887@att.com>

2 files changed, 77 insertions, 0 deletions

diff --git a/api-server-pool-state-control/src/main/java/org/onap/policy/drools/control/api/DroolsPdpStateControlApi.java b/api-server-pool-state-control/src/main/java/org/onap/policy/drools/control/api/DroolsPdpStateControlApi.java
new file mode 100644
index 00000000..7148f30e
--- /dev/null
+++ b/api-server-pool-state-control/src/main/java/org/onap/policy/drools/control/api/DroolsPdpStateControlApi.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * drools-pdp-state-control-api
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.drools.control.api;
+
+import org.onap.policy.common.utils.services.OrderedService;
+
+public interface DroolsPdpStateControlApi extends OrderedService {
+
+    /**
+     * This method is called when wanting to interrupt the operation of the
+     * drools pdp.  It locks the endpoints, stops the message processing
+     * and removes the instance of the drools pdp from the pool.
+     */
+    void shutdown();
+
+    /**
+     * This method is called when wanting to resume the operation of the
+     * drools pdp.  It unlocks the endpoints, resumes message processing
+     * and adds the instance of the drools pdp to the pool.
+     */
+    void restart();
+}
diff --git a/api-server-pool-state-control/src/main/java/org/onap/policy/drools/control/api/DroolsPdpStateControlApiConstants.java b/api-server-pool-state-control/src/main/java/org/onap/policy/drools/control/api/DroolsPdpStateControlApiConstants.java
new file mode 100644
index 00000000..c82003f3
--- /dev/null
+++ b/api-server-pool-state-control/src/main/java/org/onap/policy/drools/control/api/DroolsPdpStateControlApiConstants.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * drools-pdp-state-control-api
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.drools.control.api;
+
+import org.onap.policy.common.utils.services.OrderedServiceImpl;
+
+public class DroolsPdpStateControlApiConstants {
+
+    /**
+     * 'FeatureAPI.impl.getList()' returns an ordered list of objects
+     * implementing the 'FeatureAPI' interface.
+     */
+    public static OrderedServiceImpl<DroolsPdpStateControlApi> impl =
+        new OrderedServiceImpl<>(DroolsPdpStateControlApi.class);
+
+    private DroolsPdpStateControlApiConstants() {
+        // do nothing
+    }
+}