Example usage for java.sql SQLTimeoutException SQLTimeoutException

Introduction

In this page you can find the example usage for java.sql SQLTimeoutException SQLTimeoutException.

Prototype

public SQLTimeoutException(Throwable cause) 

Source Link

Document

Constructs a SQLTimeoutException object with a given cause.

Usage

From source file:org.apache.hive.jdbc.HiveStatement.java

TGetOperationStatusResp waitForOperationToComplete() throws SQLException {
    TGetOperationStatusReq statusReq = new TGetOperationStatusReq(stmtHandle);
    boolean shouldGetProgressUpdate = inPlaceUpdateStream != InPlaceUpdateStream.NO_OP;
    statusReq.setGetProgressUpdate(shouldGetProgressUpdate);
    if (!shouldGetProgressUpdate) {
        /**/*from  ww w .  ja va2  s .  co m*/
         * progress bar is completed if there is nothing we want to request in the first place.
         */
        inPlaceUpdateStream.getEventNotifier().progressBarCompleted();
    }
    TGetOperationStatusResp statusResp = null;

    // Poll on the operation status, till the operation is complete
    while (!isOperationComplete) {
        try {
            /**
             * For an async SQLOperation, GetOperationStatus will use the long polling approach It will
             * essentially return after the HIVE_SERVER2_LONG_POLLING_TIMEOUT (a server config) expires
             */
            statusResp = client.GetOperationStatus(statusReq);
            inPlaceUpdateStream.update(statusResp.getProgressUpdateResponse());
            Utils.verifySuccessWithInfo(statusResp.getStatus());
            if (statusResp.isSetOperationState()) {
                switch (statusResp.getOperationState()) {
                case CLOSED_STATE:
                case FINISHED_STATE:
                    isOperationComplete = true;
                    isLogBeingGenerated = false;
                    break;
                case CANCELED_STATE:
                    // 01000 -> warning
                    throw new SQLException("Query was cancelled", "01000");
                case TIMEDOUT_STATE:
                    throw new SQLTimeoutException("Query timed out after " + queryTimeout + " seconds");
                case ERROR_STATE:
                    // Get the error details from the underlying exception
                    throw new SQLException(statusResp.getErrorMessage(), statusResp.getSqlState(),
                            statusResp.getErrorCode());
                case UKNOWN_STATE:
                    throw new SQLException("Unknown query", "HY000");
                case INITIALIZED_STATE:
                case PENDING_STATE:
                case RUNNING_STATE:
                    break;
                }
            }
        } catch (SQLException e) {
            isLogBeingGenerated = false;
            throw e;
        } catch (Exception e) {
            isLogBeingGenerated = false;
            throw new SQLException(e.toString(), "08S01", e);
        }
    }

    /*
      we set progress bar to be completed when hive query execution has completed
    */
    inPlaceUpdateStream.getEventNotifier().progressBarCompleted();
    return statusResp;
}

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