Example usage for org.apache.commons.dbcp2 Utils DISCONNECTION_SQL_CODE_PREFIX

Introduction

In this page you can find the example usage for org.apache.commons.dbcp2 Utils DISCONNECTION_SQL_CODE_PREFIX.

Prototype

String DISCONNECTION_SQL_CODE_PREFIX

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Document

Any SQL_STATE starting with this value is considered a fatal disconnect

Usage

From source file:JDBCPool.dbcp.demo.sourcecode.PoolableConnection.java

/**
 * Checks the SQLState of the input exception and any nested SQLExceptions it wraps.
 * <p>//from   w  ww .j  a  v a  2 s.com
 * If {@link #getDisconnectSqlCodes() disconnectSQLCodes} has been set, sql states
 * are compared to those in the configured list of fatal exception codes.  If this
 * property is not set, codes are compared against the default codes in
 * #{@link Utils.DISCONNECTION_SQL_CODES} and in this case anything starting with
 * #{link Utils.DISCONNECTION_SQL_CODE_PREFIX} is considered a disconnection.</p>
 *
 * @param e SQLException to be examined
 * @return true if the exception signals a disconnection
 */
private boolean isDisconnectionSqlException(SQLException e) {
    boolean fatalException = false;
    String sqlState = e.getSQLState();
    if (sqlState != null) {
        fatalException = _disconnectionSqlCodes == null
                ? sqlState.startsWith(Utils.DISCONNECTION_SQL_CODE_PREFIX)
                        || Utils.DISCONNECTION_SQL_CODES.contains(sqlState)
                : _disconnectionSqlCodes.contains(sqlState);
        if (!fatalException) {
            if (e.getNextException() != null) {
                fatalException = isDisconnectionSqlException(e.getNextException());
            }
        }
    }
    return fatalException;
}

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