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/*
* 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.net.meter;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableSet;
import org.onosproject.core.ApplicationId;
import org.onosproject.net.DeviceId;
import java.util.Collection;
import static com.google.common.base.MoreObjects.toStringHelper;
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, MeterEntry {
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 MeterState state;
private long life;
private long refCount;
private long packets;
private long bytes;
private DefaultMeter(DeviceId deviceId, MeterId id, ApplicationId appId,
Unit unit, boolean burst,
Collection<Band> bands) {
this.deviceId = deviceId;
this.id = id;
this.appId = appId;
this.unit = unit;
this.burst = burst;
this.bands = bands;
}
@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 MeterState state() {
return state;
}
@Override
public long life() {
return life;
}
@Override
public long referenceCount() {
return refCount;
}
@Override
public long packetsSeen() {
return packets;
}
@Override
public long bytesSeen() {
return bytes;
}
public static Builder builder() {
return new Builder();
}
@Override
public void setState(MeterState state) {
this.state = state;
}
@Override
public void setLife(long life) {
this.life = life;
}
@Override
public void setReferenceCount(long count) {
this.refCount = count;
}
@Override
public void setProcessedPackets(long packets) {
this.packets = packets;
}
@Override
public void setProcessedBytes(long bytes) {
this.bytes = bytes;
}
@Override
public String toString() {
return toStringHelper(this)
.add("device", deviceId)
.add("id", id)
.add("appId", appId.name())
.add("unit", unit)
.add("isBurst", burst)
.add("state", state)
.add("bands", bands).toString();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
DefaultMeter that = (DefaultMeter) o;
return Objects.equal(id, that.id) &&
Objects.equal(appId, that.appId) &&
Objects.equal(unit, that.unit) &&
Objects.equal(deviceId, that.deviceId);
}
@Override
public int hashCode() {
return Objects.hashCode(id, appId, unit, deviceId);
}
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;
@Override
public Meter.Builder forDevice(DeviceId deviceId) {
this.deviceId = deviceId;
return this;
}
@Override
public Meter.Builder withId(MeterId id) {
this.id = 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 = ImmutableSet.copyOf(bands);
return this;
}
@Override
public DefaultMeter 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);
}
}
}
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