net.sf.farrago.jdbc
Class FarragoJdbcUtil.SerializationChecker

java.lang.Object
  net.sf.farrago.jdbc.FarragoJdbcUtil.SerializationChecker

Enclosing class:

FarragoJdbcUtil

private static class FarragoJdbcUtil.SerializationChecker
extends Object

Tests whether an object (in particular an exception) is serializable. Maintains a list of objects actively being tested so that we do not recursively test the same object.

Field Summary

private Set	active
private static Pattern	NON_SERIALIAZABLE_CLASSES What classes should not be serialized.
private boolean	rmiClassLoader Whether the client has the RMI class loader enabled.

Constructor Summary

private

FarragoJdbcUtil.SerializationChecker()

Method Summary

(package private) boolean	isSerializable(Object o) Returns whether an object is serializable.
(package private) Throwable	makeSerializable(Throwable throwable) Converts a Throwable into a similar exception that is serializable.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NON_SERIALIAZABLE_CLASSES

private static final Pattern NON_SERIALIAZABLE_CLASSES

What classes should not be serialized. In particular: org.eigenbase.sql.parser.SqlParseException org.eigenbase.sql.parser.SqlParserPos org.eigenbase.sql.SqlNode (and subclasses) net.sf.farrago.parser.impl.Token and ParseException or ...parser.impl.Token and ParseException in Aspen

active

private final Set active

rmiClassLoader

private final boolean rmiClassLoader

Whether the client has the RMI class loader enabled. If true, serializabilty is sufficient. If false, the class also has to be available on the client.

See Also:

Constant Field Values

Constructor Detail

FarragoJdbcUtil.SerializationChecker

private FarragoJdbcUtil.SerializationChecker()

Method Detail

makeSerializable

Throwable makeSerializable(Throwable throwable)

Converts a Throwable into a similar exception that is serializable. The original object, or at least its cause, is used if possible; and the new throwable has the same stack trace.

Parameters:

throwable - Exception

Returns:

Exception that is serializable and of the same general type

isSerializable

boolean isSerializable(Object o)

Returns whether an object is serializable.

Parameters:

o - Object

Returns:

Whether object is serializable