[ONOS-7051] Support for P4Runtime meters
Change-Id: Id71374af65aeb84b71636b4ec230dc6001a77a8b
diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMeterCellConfig.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMeterCellConfig.java
new file mode 100644
index 0000000..96ba124
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMeterCellConfig.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2017-present Open Networking 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.
+ */
+
+package org.onosproject.net.pi.runtime;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.Objects;
+import com.google.common.collect.ImmutableList;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Configuration of a meter cell of a protocol-independent pipeline.
+ */
+@Beta
+public final class PiMeterCellConfig implements PiEntity {
+
+ private final PiMeterCellId cellId;
+ private final ImmutableList<PiMeterBand> piMeterBands;
+
+ /**
+ * Creates a new meter cell configuration for the given cell identifier and meter bands.
+ *
+ * @param cellId meter cell identifier
+ * @param piMeterBands meter bands
+ */
+ private PiMeterCellConfig(PiMeterCellId cellId, Collection<PiMeterBand> piMeterBands) {
+ this.cellId = cellId;
+ this.piMeterBands = ImmutableList.copyOf(piMeterBands);
+ }
+
+ /**
+ * Returns the cell identifier.
+ *
+ * @return cell identifier
+ */
+ public PiMeterCellId cellId() {
+ return cellId;
+ }
+
+ /**
+ * Returns the collection of bands of this cell.
+ *
+ * @return meter bands
+ */
+ public Collection<PiMeterBand> meterBands() {
+ return piMeterBands;
+ }
+
+ @Override
+ public PiEntityType piEntityType() {
+ return PiEntityType.METER_CELL_CONFIG;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (!(o instanceof PiMeterCellConfig)) {
+ return false;
+ }
+ PiMeterCellConfig that = (PiMeterCellConfig) o;
+
+ return piMeterBands.containsAll((that.piMeterBands)) &&
+ piMeterBands.size() == that.piMeterBands.size() &&
+ Objects.equal(cellId, that.cellId);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(cellId, piMeterBands);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("cellId", cellId)
+ .add("meterBands", piMeterBands)
+ .toString();
+ }
+
+ /**
+ * Returns a meter cell configuration builder.
+ *
+ * @return a new builder
+ */
+ public static PiMeterCellConfig.Builder builder() {
+ return new PiMeterCellConfig.Builder();
+ }
+
+ public static final class Builder {
+ private PiMeterCellId cellId;
+ private List<PiMeterBand> bands = new ArrayList<>();
+
+
+ private Builder() {
+ // Hides constructor.
+ }
+
+ /**
+ * Sets the meter cell identifier for this meter.
+ *
+ * @param meterCellId meter cell identifier
+ * @return this
+ */
+ public PiMeterCellConfig.Builder withMeterCellId(PiMeterCellId meterCellId) {
+ this.cellId = meterCellId;
+ return this;
+ }
+
+
+ /**
+ * Sets a meter band of this meter.
+ *
+ * @param band meter band
+ * @return this
+ */
+ public PiMeterCellConfig.Builder withMeterBand(PiMeterBand band) {
+ this.bands.add(band);
+ return this;
+ }
+
+ /**
+ * Builds the meter cell configuration.
+ *
+ * @return a new meter cell configuration
+ */
+ public PiMeterCellConfig build() {
+ checkNotNull(cellId);
+ return new PiMeterCellConfig(cellId, bands);
+ }
+ }
+}