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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package org.dspace.checker;

import java.time.Instant;

import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.SequenceGenerator;
import jakarta.persistence.Table;
import org.dspace.content.Bitstream;
import org.dspace.core.Context;
import org.dspace.core.ReloadableEntity;

/**
 * 
 * Represents a history record for the bitstream.
 * 
 *
 * @author Jim Downing
 * @author Grace Carpenter
 * @author Nathan Sarr
 */
@Entity
@Table(name = "checksum_history")
public class ChecksumHistory implements ReloadableEntity {


    @Id
    @Column(name = "check_id")
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "checksum_history_check_id_seq")
    @SequenceGenerator(name = "checksum_history_check_id_seq", sequenceName = "checksum_history_check_id_seq",
        allocationSize = 1)
    private Long id;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "bitstream_id")
    private Bitstream bitstream;

    @Column(name = "process_start_date", nullable = false)
    private Instant processStartDate;

    @Column(name = "process_end_date", nullable = false)
    private Instant processEndDate;

    @Column(name = "checksum_expected", nullable = false)
    private String checksumExpected;

    @Column(name = "checksum_calculated", nullable = false)
    private String checksumCalculated;

    @ManyToOne
    @JoinColumn(name = "result", referencedColumnName = "result_code")
    private ChecksumResult checksumResult;


    /**
     * Protected constructor, create object using:
     * {@link org.dspace.checker.service.ChecksumHistoryService#addHistory(Context, MostRecentChecksum)}
     */
    protected ChecksumHistory() {
    }

    public Long getID() {
        return id;
    }

    /**
     * @return Returns the bitstreamId.
     */
    public Bitstream getBitstream() {
        return bitstream;
    }

    public void setBitstream(Bitstream bitstream) {
        this.bitstream = bitstream;
    }

    /**
     * @return Returns the checksumCalculated.
     */
    public String getChecksumCalculated() {
        return checksumCalculated;
    }

    /**
     * Set the checksum calculated.
     *
     * @param checksumCalculated The checksumCalculated to set.
     */
    public void setChecksumCalculated(String checksumCalculated) {
        this.checksumCalculated = checksumCalculated;
    }

    /**
     * Get the extpected checksum.
     *
     * @return Returns the checksumExpected.
     */
    public String getChecksumExpected() {
        return checksumExpected;
    }

    /**
     * Set the expected checksum.
     *
     * @param checksumExpected The checksumExpected to set.
     */
    public void setChecksumExpected(String checksumExpected) {
        this.checksumExpected = checksumExpected;
    }

    /**
     * Get the process end date. This is the date and time the processing ended.
     *
     * @return Returns the processEndDate.
     */
    public Instant getProcessEndDate() {
        return processEndDate;
    }

    /**
     * Set the process end date. This is the date and time the processing ended.
     *
     * @param processEndDate The processEndDate to set.
     */
    public void setProcessEndDate(Instant processEndDate) {
        this.processEndDate = processEndDate;
    }

    /**
     * Get the process start date. This is the date and time the processing
     * started.
     *
     * @return Returns the processStartDate.
     */
    public Instant getProcessStartDate() {
        return processStartDate;
    }

    /**
     * Set the process start date. This is the date and time the processing
     * started.
     *
     * @param processStartDate The processStartDate to set.
     */
    public void setProcessStartDate(Instant processStartDate) {
        this.processStartDate = processStartDate;
    }

    /**
     * Return the processing result.
     *
     * @return result
     */
    public ChecksumResult getResult() {
        return checksumResult;
    }

    /**
     * Set the checksum processing result.
     *
     * @param result The result to set.
     */
    public void setResult(ChecksumResult result) {
        this.checksumResult = result;
    }
}