moving meter service to incubator and initial implementation of

meter manager.

Change-Id: I6ef0d9476b58d00b37f7ef156ac7bdacca20185b

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 /**
  * Represents a band used within a meter.
@@ -69,5 +69,51 @@ public interface Band {
      */
     Type type();
 
+    interface Builder {
+
+        /**
+         * Assigns a rate to this band. The units for this rate
+         * are defined in the encapsulating meter.
+         *
+         * @param rate a long value
+         * @return this
+         */
+        Builder withRate(long rate);
+
+        /**
+         * Assigns a burst size to this band. Only meaningful if
+         * the encapsulating meter is of burst type.
+         *
+         * @param burstSize a long value.
+         * @return this
+         */
+        Builder burstSize(long burstSize);
+
+        /**
+         * Assigns the drop precedence for this band. Only meaningful if
+         * the band is of REMARK type.
+         *
+         * @param prec a short value
+         * @return this
+         */
+        Builder dropPrecedence(short prec);
+
+        /**
+         * Assigns the @See Type of this band.
+         *
+         * @param type a band type
+         * @return this
+         */
+        Builder ofType(Type type);
+
+        /**
+         * Builds the band.
+         *
+         * @return a band
+         */
+        Band build();
+
+    }
+
 
 }

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * A default implementation for a Band.
+ */
+public final class DefaultBand implements Band {
+
+    private final Type type;
+    private final long rate;
+    private final long burstSize;
+    private final short prec;
+
+    public DefaultBand(Type type, long rate,
+                       long burstSize, short prec) {
+        this.type = type;
+        this.rate = rate;
+        this.burstSize = burstSize;
+        this.prec = prec;
+    }
+
+    @Override
+    public long rate() {
+        return rate;
+    }
+
+    @Override
+    public long burst() {
+        return burstSize;
+    }
+
+    @Override
+    public short dropPrecedence() {
+        return prec;
+    }
+
+    @Override
+    public Type type() {
+        return type;
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder implements Band.Builder {
+
+        private long rate;
+        private long burstSize;
+        private Short prec;
+        private Type type;
+
+        @Override
+        public Band.Builder withRate(long rate) {
+            this.rate = rate;
+            return this;
+        }
+
+        @Override
+        public Band.Builder burstSize(long burstSize) {
+            this.burstSize = burstSize;
+            return this;
+        }
+
+        @Override
+        public Band.Builder dropPrecedence(short prec) {
+            this.prec = prec;
+            return this;
+        }
+
+        @Override
+        public Band.Builder ofType(Type type) {
+            this.type = type;
+            return this;
+        }
+
+        @Override
+        public Band build() {
+            checkArgument(prec != null && type == Type.REMARK,
+                          "Only REMARK bands can have a precendence.");
+
+            return new DefaultBand(type, rate, burstSize, prec);
+        }
+
+
+    }
+}

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Optional;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * A default implementation of a meter.
+ */
+public final class DefaultMeter implements Meter {
+
+
+    private final MeterId id;
+    private final ApplicationId appId;
+    private final Unit unit;
+    private final boolean burst;
+    private final Collection<Band> bands;
+    private final DeviceId deviceId;
+    private final Optional<MeterContext> context;
+
+    private DefaultMeter(DeviceId deviceId, MeterId id, ApplicationId appId,
+                        Unit unit, boolean burst,
+                        Collection<Band> bands, Optional<MeterContext> context) {
+        this.deviceId = deviceId;
+        this.id = id;
+        this.appId = appId;
+        this.unit = unit;
+        this.burst = burst;
+        this.bands = bands;
+        this.context = context;
+    }
+
+    @Override
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    @Override
+    public MeterId id() {
+        return id;
+    }
+
+    @Override
+    public ApplicationId appId() {
+        return appId;
+    }
+
+    @Override
+    public Unit unit() {
+        return unit;
+    }
+
+    @Override
+    public boolean isBurst() {
+        return burst;
+    }
+
+    @Override
+    public Collection<Band> bands() {
+        return bands;
+    }
+
+    @Override
+    public Optional<MeterContext> context() {
+        return null;
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder implements Meter.Builder {
+
+        private MeterId id;
+        private ApplicationId appId;
+        private Unit unit = Unit.KB_PER_SEC;
+        private boolean burst = false;
+        private Collection<Band> bands;
+        private DeviceId deviceId;
+        private Optional<MeterContext> context;
+
+
+        @Override
+        public Meter.Builder forDevice(DeviceId deviceId) {
+            this.deviceId = deviceId;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withId(int id) {
+            this.id = MeterId.meterId(id);
+            return this;
+        }
+
+        @Override
+        public Meter.Builder fromApp(ApplicationId appId) {
+            this.appId = appId;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withUnit(Unit unit) {
+            this.unit = unit;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder burst() {
+            this.burst = true;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withBands(Collection<Band> bands) {
+            this.bands = Collections.unmodifiableCollection(bands);
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withContext(MeterContext context) {
+            this.context = Optional.<MeterContext>ofNullable(context);
+            return this;
+        }
+
+        @Override
+        public Meter build() {
+            checkNotNull(deviceId, "Must specify a device");
+            checkNotNull(bands, "Must have bands.");
+            checkArgument(bands.size() > 0, "Must have at least one band.");
+            checkNotNull(appId, "Must have an application id");
+            checkNotNull(id, "Must specify a meter id");
+            return new DefaultMeter(deviceId, id, appId, unit, burst, bands, context);
+        }
+
+
+    }
+}

@@ -13,11 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
 
 import java.util.Collection;
+import java.util.Optional;
 
 /**
  * Represents a generalized meter to be deployed on a device.
@@ -37,6 +39,13 @@ public interface Meter {
     }
 
     /**
+     * The target device for this meter.
+     *
+     * @return a device id
+     */
+    DeviceId deviceId();
+
+    /**
      * This meters id.
      *
      * @return a meter id
@@ -71,4 +80,76 @@ public interface Meter {
      */
     Collection<Band> bands();
 
+    /**
+     * Obtains an optional context.
+     *
+     * @return optional; which will be empty if there is no context.
+     * Otherwise it will return the context.
+     */
+    Optional<MeterContext> context();
+
+    /**
+     * A meter builder.
+     */
+    interface Builder {
+
+        /**
+         * Assigns the target device for this meter.
+         *
+         * @param deviceId a device id
+         * @return this
+         */
+        Builder forDevice(DeviceId deviceId);
+
+        /**
+         * Assigns the id to this meter.
+         *
+         * @param id an integer
+         * @return this
+         */
+        Builder withId(int id);
+
+        /**
+         * Assigns the application that built this meter.
+         *
+         * @param appId an application id
+         * @return this
+         */
+        Builder fromApp(ApplicationId appId);
+
+        /**
+         * Assigns the @See Unit to use for this meter.
+         * Defaults to kb/s
+         *
+         * @param unit a unit
+         * @return this
+         */
+        Builder withUnit(Unit unit);
+
+        /**
+         * Sets this meter as applicable to burst traffic only.
+         * Defaults to false.
+         *
+         * @return this
+         */
+        Builder burst();
+
+        /**
+         * Assigns bands to this meter. There must be at least one band.
+         *
+         * @param bands a collection of bands
+         * @return this
+         */
+        Builder withBands(Collection<Band> bands);
+
+        Builder withContext(MeterContext context);
+
+        /**
+         * Builds the meter based on the specified parameters.
+         *
+         * @return a meter
+         */
+        Meter build();
+    }
+
 }

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+/**
+ * Created by ash on 01/08/15.
+ */
+public interface MeterContext {
+
+    /**
+     * Invoked on successful installation of the meter.
+     *
+     * @param op a meter operation
+     */
+    default void onSuccess(MeterOperation op) {
+    }
+
+    /**
+     * Invoked when error is encountered while installing a meter.
+     *
+     * @param op a meter operation
+     * @param reason the reason why it failed
+     */
+    default void onError(MeterOperation op, MeterFailReason reason) {
+    }
+}

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+import org.onosproject.event.AbstractEvent;
+
+/**
+ * Entity that represents Meter events.
+ */
+public class MeterEvent extends AbstractEvent<MeterEvent.Type, Meter> {
+
+
+    enum Type {
+
+        /**
+         * Signals that a new meter has been added.
+         */
+        METER_ADDED,
+
+        /**
+         * Signals that a meter has been removed.
+         */
+        METER_REMOVED,
+
+        /**
+         * Signals that a meter has been added.
+         */
+        METER_UPDATED,
+
+        /**
+         * Signals that a meter addition failed.
+         */
+        METER_ADD_FAILED,
+
+        /**
+         * Signals that a meter removal failed.
+         */
+        METER_REMOVE_FAILED,
+
+        /**
+         * Signals that a meter update failed.
+         */
+        METER_UPDATE_FAILED
+    }
+
+
+    /**
+     * Creates an event of a given type and for the specified meter and the
+     * current time.
+     *
+     * @param type  meter event type
+     * @param meter event subject
+     */
+    public MeterEvent(Type type, Meter meter) {
+        super(type, meter);
+    }
+
+    /**
+     * Creates an event of a given type and for the specified meter and time.
+     *
+     * @param type  meter event type
+     * @param meter event subject
+     * @param time  occurrence time
+     */
+    public MeterEvent(Type type, Meter meter, long time) {
+        super(type, meter, time);
+    }
+
+}

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 /**
  * Enum used to represent a meter failure condition.

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 import static com.google.common.base.Preconditions.checkArgument;
 
@@ -31,7 +31,7 @@ public final class MeterId {
     public static final MeterId CONTROLLER = new MeterId(0xFFFFFFFE);
     public static final MeterId ALL = new MeterId(0xFFFFFFFF);
 
-    protected MeterId(int id) {
+    private MeterId(int id) {
         checkArgument(id <= MAX, "id cannot be larger than 0xFFFF0000");
         this.id = id;
     }

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+import org.onosproject.event.EventListener;
+
+/**
+ * Entity capable of receiving Meter related events.
+ */
+public interface MeterListener extends EventListener<MeterEvent> {
+}

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 import com.google.common.base.MoreObjects;
 

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 import com.google.common.collect.ImmutableList;
 

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.provider.Provider;

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 
 import org.onosproject.net.provider.ProviderRegistry;

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.net.meter;
+package org.onosproject.incubator.net.meter;
 
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.provider.ProviderService;

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+import org.onosproject.event.ListenerService;
+
+/**
+ * Service for add/updating and removing meters. Meters are
+ * are assigned to flow to rate limit them and provide a certain
+ * quality of service.
+ */
+public interface MeterService
+        extends ListenerService<MeterEvent, MeterListener> {
+
+    /**
+     * Adds a meter to the system and performs it installation.
+     *
+     * @param meter a meter.
+     */
+    void addMeter(Meter meter);
+
+    /**
+     * Updates a meter by adding statistic information to the meter.
+     *
+     * @param meter an updated meter
+     */
+    void updateMeter(Meter meter);
+
+    /**
+     * Remove a meter from the system and the dataplane.
+     *
+     * @param meter a meter to remove
+     */
+    void removeMeter(Meter meter);
+
+    /**
+     * Remove a meter from the system and the dataplane by meter id.
+     *
+     * @param id a meter id
+     */
+    void removeMeter(MeterId id);
+
+    /**
+     * Fetch the meter by the meter id.
+     *
+     * @param id a meter id
+     * @return a meter
+     */
+    Meter getMeter(MeterId id);
+
+    /**
+     * Allocate a meter id which must be used to create the meter.
+     *
+     * @return a meter id
+     */
+    MeterId allocateMeterId();
+}

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter;
+
+import org.onosproject.store.StoreDelegate;
+
+/**
+ * Meter store delegate abstraction.
+ */
+public interface MeterStoreDelegate extends StoreDelegate<MeterEvent> {
+}

@@ -17,4 +17,4 @@
 /**
  * Flow meter model and related services.
  */
-package org.onosproject.net.meter;
\ No newline at end of file
+package org.onosproject.incubator.net.meter;
\ No newline at end of file

+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.incubator.net.meter.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.incubator.net.meter.Meter;
+import org.onosproject.incubator.net.meter.MeterEvent;
+import org.onosproject.incubator.net.meter.MeterFailReason;
+import org.onosproject.incubator.net.meter.MeterId;
+import org.onosproject.incubator.net.meter.MeterListener;
+import org.onosproject.incubator.net.meter.MeterOperation;
+import org.onosproject.incubator.net.meter.MeterProvider;
+import org.onosproject.incubator.net.meter.MeterProviderRegistry;
+import org.onosproject.incubator.net.meter.MeterProviderService;
+import org.onosproject.incubator.net.meter.MeterService;
+import org.onosproject.incubator.net.meter.MeterStoreDelegate;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.provider.AbstractListenerProviderRegistry;
+import org.onosproject.net.provider.AbstractProviderService;
+import org.onosproject.store.service.AtomicCounter;
+import org.onosproject.store.service.StorageService;
+import org.slf4j.Logger;
+
+import java.util.Collection;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+
+/**
+ * Provides implementation of the meter service APIs.
+ */
+@Component(immediate = true)
+@Service
+public class MeterManager extends AbstractListenerProviderRegistry<MeterEvent, MeterListener,
+        MeterProvider, MeterProviderService>
+        implements MeterService, MeterProviderRegistry {
+
+    private final String meterIdentifier = "meter-id-counter";
+    private final Logger log = getLogger(getClass());
+    private final MeterStoreDelegate delegate = new InternalMeterStoreDelegate();
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected StorageService storageService;
+
+    private AtomicCounter meterIdCounter;
+
+    @Activate
+    public void activate() {
+        meterIdCounter = storageService.atomicCounterBuilder()
+                .withName(meterIdentifier)
+                .build();
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Override
+    protected MeterProviderService createProviderService(MeterProvider provider) {
+        return new InternalMeterProviderService(provider);
+    }
+
+    @Override
+    public void addMeter(Meter meter) {
+
+    }
+
+    @Override
+    public void updateMeter(Meter meter) {
+
+    }
+
+    @Override
+    public void removeMeter(Meter meter) {
+
+    }
+
+    @Override
+    public void removeMeter(MeterId id) {
+
+    }
+
+    @Override
+    public Meter getMeter(MeterId id) {
+        return null;
+    }
+
+    @Override
+    public MeterId allocateMeterId() {
+        // FIXME: This will break one day.
+        return MeterId.meterId((int) meterIdCounter.getAndIncrement());
+    }
+
+    private class InternalMeterProviderService
+            extends AbstractProviderService<MeterProvider>
+            implements MeterProviderService {
+
+        /**
+         * Creates a provider service on behalf of the specified provider.
+         *
+         * @param provider provider to which this service is being issued
+         */
+        protected InternalMeterProviderService(MeterProvider provider) {
+            super(provider);
+        }
+
+        @Override
+        public void meterOperationFailed(MeterOperation operation, MeterFailReason reason) {
+
+        }
+
+        @Override
+        public void pushMeterMetrics(DeviceId deviceId, Collection<Meter> meterEntries) {
+
+        }
+    }
+
+    private class InternalMeterStoreDelegate implements MeterStoreDelegate {
+
+        @Override
+        public void notify(MeterEvent event) {
+
+        }
+    }
+
+}

@@ -15,9 +15,9 @@
  */
 package org.onosproject.provider.of.meter.impl;
 
-import org.onosproject.net.meter.Band;
-import org.onosproject.net.meter.Meter;
-import org.onosproject.net.meter.MeterId;
+import org.onosproject.incubator.net.meter.Band;
+import org.onosproject.incubator.net.meter.Meter;
+import org.onosproject.incubator.net.meter.MeterId;
 import org.projectfloodlight.openflow.protocol.OFFactory;
 import org.projectfloodlight.openflow.protocol.OFMeterFlags;
 import org.projectfloodlight.openflow.protocol.OFMeterMod;

@@ -16,9 +16,11 @@
 
 package org.onosproject.provider.of.meter.impl;
 
+
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.RemovalCause;
+
 import com.google.common.cache.RemovalNotification;
 import com.google.common.collect.Maps;
 import org.apache.felix.scr.annotations.Activate;
@@ -27,13 +29,13 @@ import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.meter.Meter;
-import org.onosproject.net.meter.MeterFailReason;
-import org.onosproject.net.meter.MeterOperation;
-import org.onosproject.net.meter.MeterOperations;
-import org.onosproject.net.meter.MeterProvider;
-import org.onosproject.net.meter.MeterProviderRegistry;
-import org.onosproject.net.meter.MeterProviderService;
+import org.onosproject.incubator.net.meter.Meter;
+import org.onosproject.incubator.net.meter.MeterFailReason;
+import org.onosproject.incubator.net.meter.MeterOperation;
+import org.onosproject.incubator.net.meter.MeterOperations;
+import org.onosproject.incubator.net.meter.MeterProvider;
+import org.onosproject.incubator.net.meter.MeterProviderRegistry;
+import org.onosproject.incubator.net.meter.MeterProviderService;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.openflow.controller.Dpid;