<cfscript>

	// Setup some general error-checking functions (closures work as well). Each of
	// these function accepts the Error instance in question and must return a boolean
	// indicating that the error is transient (true) or non-retriable (false).

	function isMySqlLockTimeoutError( required any error ) {

		// Read more: https://dev.mysql.com/doc/refman/5.7/en/error-messages-server.html#error_er_lock_deadlock
		return(
			( error.type == "Database" ) &&
			( error.errorCode == "40001" )
		);

	}

	function isSqlServerLockTimeoutError( required any error ) {

		// Read more: https://technet.microsoft.com/en-us/library/cc645860(v=sql.105).aspx
		return(
			( error.type == "Database" ) &&
			( error.errorCode == "1222" )
		);

	}

	function isAlwaysTransientError( required any error ) {

		return( true );

	}

	function isNeverTransientError( required any error ) {

		return( false );

	}

	// ------------------------------------------------------------------------------- //
	// ------------------------------------------------------------------------------- //

	// Create our retry proxy using the given transient error test.
	proxy = new RetryProxy( new TestTarget(), isAlwaysTransientError );

	try {

		writeDump( proxy.works() );
		writeDump( proxy.breaks() );

	} catch ( any error ) {

		// This should be the "breaks()" method error.
		writeDump( error );

	}

</cfscript>