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diff --git a/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/PoolingManager.java b/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/PoolingManager.java
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+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2018 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.pooling;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ScheduledFuture;
+import org.onap.policy.drools.pooling.message.BucketAssignments;
+import org.onap.policy.drools.pooling.message.Forward;
+import org.onap.policy.drools.pooling.message.Message;
+import org.onap.policy.drools.pooling.state.State;
+import org.onap.policy.drools.pooling.state.StateTimerTask;
+
+/**
+ * Pooling manager for a single PolicyController.
+ */
+public interface PoolingManager {
+
+ /**
+ * Gets the properties used to configure the manager.
+ *
+ * @return
+ */
+ public PoolingProperties getProperties();
+
+ /**
+ * Gets the host id.
+ *
+ * @return the host id
+ */
+ public String getHost();
+
+ /**
+ * Gets the name of the internal DMaaP topic used by this manager to
+ * communicate with its other hosts.
+ *
+ * @return the name of the internal DMaaP topic
+ */
+ public String getTopic();
+
+ /**
+ * Indicates that communication with internal DMaaP topic failed, typically
+ * due to a missed heart beat. Stops the PolicyController.
+ *
+ * @return a latch that can be used to determine when the controller's
+ * stop() method has completed
+ */
+ public CountDownLatch internalTopicFailed();
+
+ /**
+ * Starts distributing requests according to the given bucket assignments.
+ *
+ * @param assignments must <i>not</i> be {@code null}
+ */
+ public void startDistributing(BucketAssignments assignments);
+
+ /**
+ * Gets the current bucket assignments.
+ *
+ * @return the current bucket assignments, or {@code null} if no assignments
+ * have been made
+ */
+ public BucketAssignments getAssignments();
+
+ /**
+ * Publishes a message to the internal topic on the administrative channel.
+ *
+ * @param msg message to be published
+ */
+ public void publishAdmin(Message msg);
+
+ /**
+ * Publishes a message to the internal topic on a particular channel.
+ *
+ * @param channel channel on which the message should be published
+ * @param msg message to be published
+ */
+ public void publish(String channel, Message msg);
+
+ /**
+ * Handles a {@link Forward} event that was received from the internal
+ * topic.
+ *
+ * @param event
+ */
+ public void handle(Forward event);
+
+ /**
+ * Schedules a timer to fire after a delay.
+ *
+ * @param delayMs delay, in milliseconds
+ * @param task
+ * @return a future that can be used to cancel the timer
+ */
+ public ScheduledFuture<?> schedule(long delayMs, StateTimerTask task);
+
+ /**
+ * Schedules a timer to fire repeatedly.
+ *
+ * @param initialDelayMs initial delay, in milliseconds
+ * @param delayMs delay, in milliseconds
+ * @param task
+ * @return a future that can be used to cancel the timer
+ */
+ public ScheduledFuture<?> scheduleWithFixedDelay(long initialDelayMs, long delayMs, StateTimerTask task);
+
+ /**
+ * Transitions to the "start" state.
+ *
+ * @return the new state
+ */
+ public State goStart();
+
+ /**
+ * Transitions to the "query" state.
+ *
+ * @return the new state
+ */
+ public State goQuery();
+
+ /**
+ * Transitions to the "active" state.
+ *
+ * @return the new state
+ */
+ public State goActive();
+
+ /**
+ * Transitions to the "inactive" state.
+ *
+ * @return the new state
+ */
+ public State goInactive();
+
+}