eagle-core/eagle-alert-parent/eagle-alert/alert-engine/src/main/java/org/apache/eagle/alert/engine/publisher/dedup/EventUniq.java

/*
 *  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.engine.publisher.dedup;

import org.apache.commons.lang3.builder.HashCodeBuilder;

import com.google.common.base.Joiner;

import java.util.HashMap;

/**
 * @since Mar 19, 2015.
 */
public class EventUniq {
    public String streamId;
    public String policyId;
    public Long timestamp;     // event's createTimestamp
    public long createdTime; // created time, for cache removal;
    public HashMap<String, String> customFieldValues;
    public boolean removable = false;

    public EventUniq(String streamId, String policyId, long timestamp) {
        this.streamId = streamId;
        this.timestamp = timestamp;
        this.policyId = policyId;
        this.createdTime = System.currentTimeMillis();
    }

    public EventUniq(String streamId, String policyId, long timestamp, HashMap<String, String> customFieldValues) {
        this.streamId = streamId;
        this.timestamp = timestamp;
        this.policyId = policyId;
        this.createdTime = System.currentTimeMillis();
        this.customFieldValues = customFieldValues;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof EventUniq) {
            EventUniq au = (EventUniq) obj;
            boolean result = this.streamId.equalsIgnoreCase(au.streamId) & this.policyId.equalsIgnoreCase(au.policyId);
            if (this.customFieldValues != null && au.customFieldValues != null) {
                result = result & this.customFieldValues.equals(au.customFieldValues);
            }
            return result;
        }
        return false;
    }

    @Override
    public int hashCode() {
        HashCodeBuilder builder = new HashCodeBuilder().append(streamId).append(policyId);

        if (customFieldValues != null) {
            builder.append(customFieldValues);
        }
        return builder.build();
    }

    @Override
    public String toString() {
        return String.format("EventUniq[streamId: %s, policyId: %s, timestamp: %s, removable: %s, customFieldValues: %s]",
            streamId, policyId, timestamp, removable, Joiner.on(",").withKeyValueSeparator(">").join(customFieldValues));
    }
}