com.nextdoor.bender.handler.s3.S3InternalEvent.java Source code

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Here is the source code for com.nextdoor.bender.handler.s3.S3InternalEvent.java

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/*
 * 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.
 *
 * Copyright 2017 Nextdoor.com, Inc
 *
 */

package com.nextdoor.bender.handler.s3;

import java.util.LinkedHashMap;

import org.apache.commons.codec.digest.DigestUtils;

import com.nextdoor.bender.InternalEvent;
import com.nextdoor.bender.LambdaContext;

/**
 * InternalEvent that contains meta information about the S3 file that the event came from as well
 * as the event string itself.
 */
public class S3InternalEvent extends InternalEvent {
    public static final String FILENAME_PARTITION = "__filename__";
    private final String s3Key;
    private final String s3Bucket;
    private final String s3KeyVersion;

    public S3InternalEvent(String eventString, LambdaContext context, long arrivalTime, String s3Key,
            String s3Bucket, String s3KeyVersion) {
        super(eventString, context, arrivalTime);
        this.s3Key = s3Key;
        this.s3Bucket = s3Bucket;
        this.s3KeyVersion = s3KeyVersion;

        super.addMetadata("s3Key", s3Key);
        super.addMetadata("s3Bucket", s3Bucket);
        super.addMetadata("s3KeyVersion", s3KeyVersion);
    }

    @Override
    public LinkedHashMap<String, String> getPartitions() {
        LinkedHashMap<String, String> partitions = super.getPartitions();
        if (partitions == null) {
            partitions = new LinkedHashMap<String, String>(1);
            super.setPartitions(partitions);
        }

        partitions.put(FILENAME_PARTITION, DigestUtils.sha1Hex(this.s3Key));
        return partitions;
    }

    public String getS3Key() {
        return this.s3Key;
    }

    public String getS3Bucket() {
        return s3Bucket;
    }

    public String getS3KeyVersion() {
        return s3KeyVersion;
    }
}