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Liquibase is a tool for managing and executing database changes.

There is a newer version: 4.29.2

package liquibase.exception;

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

public class Warnings {

    private List messages = new ArrayList<>();

    public Warnings addWarning(String warning) {
        messages.add(warning);
        return this;
    }

    public Warnings addAll(Warnings warnings) {
        if (warnings != null) {
            this.messages.addAll(warnings.getMessages());
        }
        return this;
    }

    public List getMessages() {
        return messages;
    }

    public boolean hasWarnings() {
        return !messages.isEmpty();
    }
}