/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.eagle.alert.dedup;

import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

public class EntityDedupKey {
    public List<String> values;
    public Long timestamp;     // entity's timestamp
    public long createdTime; // entityTagsUniq's created time, for cache removal;

    private static final Logger LOG = LoggerFactory.getLogger(EntityDedupKey.class);

    public EntityDedupKey(List<String> values, long timestamp) {
        this.values = new ArrayList<>(values);
        this.timestamp = timestamp;
        this.createdTime = System.currentTimeMillis();
    }

    public boolean equals(Object obj) {
        if (obj instanceof EntityDedupKey) {
            EntityDedupKey key = (EntityDedupKey) obj;
            if (key == null || key.values.size() != values.size()) {
                return false;
            }
            return values.equals(key.values);
        }
        return false;
    }

    public int hashCode() {
        HashCodeBuilder builder = new HashCodeBuilder();
        for (String value : values) {
            builder.append(value);
        }
        return builder.build();
    }
}


