public SqlTypeDescriptor getDescriptor(int jdbcTypeCode) {
SqlTypeDescriptor descriptor = descriptorMap.get(Integer.valueOf(jdbcTypeCode));
if (descriptor != null) {
return descriptor;
}
if (JdbcTypeNameMapper.isStandardTypeCode(jdbcTypeCode)) {
log.debugf(
"A standard JDBC type code [%s] was not defined in SqlTypeDescriptorRegistry",
jdbcTypeCode);
}
// see if the typecode is part of a known type family...
JdbcTypeFamilyInformation.Family family =
JdbcTypeFamilyInformation.INSTANCE.locateJdbcTypeFamilyByTypeCode(jdbcTypeCode);
if (family != null) {
for (int potentialAlternateTypeCode : family.getTypeCodes()) {
if (potentialAlternateTypeCode != jdbcTypeCode) {
final SqlTypeDescriptor potentialAlternateDescriptor =
descriptorMap.get(Integer.valueOf(potentialAlternateTypeCode));
if (potentialAlternateDescriptor != null) {
// todo : add a SqlTypeDescriptor.canBeAssignedFrom method...
return potentialAlternateDescriptor;
}
if (JdbcTypeNameMapper.isStandardTypeCode(potentialAlternateTypeCode)) {
log.debugf(
"A standard JDBC type code [%s] was not defined in SqlTypeDescriptorRegistry",
potentialAlternateTypeCode);
}
}
}
}
// finally, create a new descriptor mapping to getObject/setObject for this type code...
final ObjectSqlTypeDescriptor fallBackDescriptor = new ObjectSqlTypeDescriptor(jdbcTypeCode);
addDescriptor(fallBackDescriptor);
return fallBackDescriptor;
}
/** {@inheritDoc} */
public final void bind(PreparedStatement st, J value, int index, WrapperOptions options)
throws SQLException {
if (value == null) {
if (LOG.isTraceEnabled()) {
LOG.trace(
String.format(
NULL_BIND_MSG_TEMPLATE,
index,
JdbcTypeNameMapper.getTypeName(sqlDescriptor.getSqlType())));
}
st.setNull(index, sqlDescriptor.getSqlType());
} else {
if (LOG.isTraceEnabled()) {
LOG.trace(
String.format(
BIND_MSG_TEMPLATE,
index,
JdbcTypeNameMapper.getTypeName(sqlDescriptor.getSqlType()),
getJavaDescriptor().extractLoggableRepresentation(value)));
}
doBind(st, value, index, options);
}
}
private void validateColumn(Connection connection, String columnName, int expectedJdbcTypeCode)
throws SQLException {
DatabaseMetaData meta = connection.getMetaData();
// DBs treat the meta information differently, in particular case sensitivity.
// We need to use the meta information to find out how to treat names
String tableNamePattern = generateFinalNamePattern(meta, SOME_ENTITY_TABLE_NAME);
String columnNamePattern = generateFinalNamePattern(meta, columnName);
ResultSet columnInfo = meta.getColumns(null, null, tableNamePattern, columnNamePattern);
s.getTransactionCoordinator()
.getJdbcCoordinator()
.register(columnInfo, columnInfo.getStatement());
assertTrue(columnInfo.next());
int dataType = columnInfo.getInt("DATA_TYPE");
s.getTransactionCoordinator()
.getJdbcCoordinator()
.release(columnInfo, columnInfo.getStatement());
assertEquals(
columnName,
JdbcTypeNameMapper.getTypeName(expectedJdbcTypeCode),
JdbcTypeNameMapper.getTypeName(dataType));
}