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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 java.util.Optional;
/**
* An entity used to indicate whether the store operation passed.
*/
public final class MeterStoreResult {
private final Type type;
private final Optional<MeterFailReason> reason;
public enum Type {
SUCCESS,
FAIL
}
private MeterStoreResult(Type type, MeterFailReason reason) {
this.type = type;
this.reason = Optional.ofNullable(reason);
}
public Type type() {
return type;
}
public Optional<MeterFailReason> reason() {
return reason;
}
/**
* A successful store opertion.
*
* @return a meter store result
*/
public static MeterStoreResult success() {
return new MeterStoreResult(Type.SUCCESS, null);
}
/**
* A failed store operation.
*
* @param reason a failure reason
* @return a meter store result
*/
public static MeterStoreResult fail(MeterFailReason reason) {
return new MeterStoreResult(Type.FAIL, reason);
}
}
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