/*
 * Copyright (c) 2016 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
 *
 * 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.uber.hoodie.table;

import com.uber.hoodie.common.model.HoodieRecordLocation;

import java.io.Serializable;
import java.util.HashMap;

/**
 * Wraps stats about a single partition path.
 */
public class WorkloadStat implements Serializable {
    private long numInserts = 0L;

    private long numUpdates = 0L;

    private HashMap<String, Long> updateLocationToCount;

    public WorkloadStat() {
        updateLocationToCount = new HashMap<>();
    }

    long addInserts(long numInserts) {
        return this.numInserts += numInserts;
    }

    long addUpdates(HoodieRecordLocation location, long numUpdates) {
        updateLocationToCount.put(location.getFileId(), numUpdates);
        return this.numUpdates += numUpdates;
    }

    public long getNumUpdates() {
        return numUpdates;
    }

    public long getNumInserts() {
        return numInserts;
    }

    public HashMap<String, Long> getUpdateLocationToCount() {
        return updateLocationToCount;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder("WorkloadStat {");
        sb.append("numInserts=").append(numInserts).append(", ");
        sb.append("numUpdates=").append(numUpdates);
        sb.append('}');
        return sb.toString();
    }
}
