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/*
 * Copyright 2013 Proofpoint, Inc.
 *
 * 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 com.proofpoint.http.client.balancing;

import com.proofpoint.reporting.Key;
import com.proofpoint.stats.SparseCounterStat;
import com.proofpoint.stats.SparseTimeStat;

import java.net.URI;

public interface HttpServiceBalancerStats
{
    SparseCounterStat failure(@Key("targetUri") URI uri, @Key("failure") String failureCategory);

    SparseCounterStat failure(@Key("targetUri") URI uri, @Key("failure") String failureCategory, @Key("handlerException") String handlerCategory);

    SparseTimeStat requestTime(@Key("targetUri") URI uri, @Key("status") Status status);

    SparseTimeStat removal(@Key("targetUri") URI uri);

    SparseCounterStat revival(@Key("targetUri") URI uri);

    SparseCounterStat probe(@Key("targetUri") URI uri);

    enum Status {
        SUCCESS, FAILURE;

        @Override
        public String toString() {
            return name().toLowerCase();
        }
    }
}