package liquibase.precondition.core;

 import liquibase.changelog.DatabaseChangeLog;

 import liquibase.precondition.Precondition;

 public class ErrorPrecondition {

     private Throwable cause;

     private Precondition precondition;

     private DatabaseChangeLog changeLog;

     public ErrorPrecondition(Throwable exception, DatabaseChangeLog changeLog, Precondition precondition) {

         this.cause = exception;

         this.changeLog = changeLog;

         this.precondition = precondition;

     }

     public Throwable getCause() {

         return cause;

     }

     public Precondition getPrecondition() {

         return precondition;

     }

     @Override

     public String toString() {

         Throwable cause = this.cause;

         while (cause.getCause() != null) {

             cause = cause.getCause();

         }

         String causeMessage = cause.getMessage();

         if (changeLog == null) {

             return causeMessage;

         } else {

             return changeLog.toString() + " : " + causeMessage;

         }

     }

 }