liquibase.diff.Difference Maven / Gradle / Ivy

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package liquibase.diff;

public class Difference implements Comparable {
    private String message;
    private String field;
    private Object referenceValue;
    private Object comparedValue;

    public Difference(String field, Object referenceValue, Object comparedValue) {
        this(null, field, referenceValue, comparedValue);
    }

    public Difference(String message, String field, Object referenceValue, Object comparedValue) {
        if (message == null) {
            if (referenceValue instanceof String) {
                referenceValue = "'"+referenceValue+"'";
            }
            if (comparedValue instanceof String) {
                comparedValue = "'"+comparedValue+"'";
            }
            message = field+" changed from "+referenceValue+" to "+comparedValue;
        }
        this.message = message;
        this.field = field;
        this.referenceValue = referenceValue;
        this.comparedValue = comparedValue;
    }

    public String getMessage() {
        return message;
    }

    public String getField() {
        return field;
    }

    public Object getReferenceValue() {
        return referenceValue;
    }

    public Object getComparedValue() {
        return comparedValue;
    }

    @Override
    public String toString() {
        return message;
    }

    @Override
    public int compareTo(Object o) {
        return this.getField().compareTo(((Difference) o).getField());
    }
}