public void bind(Object value) {
if (_expr == null && _spCall == null)
throw new IllegalStateException("Must create query before using it");
if (_fieldNum == _paramInfo.size())
throw new IllegalArgumentException("Only " + _paramInfo.size() + " fields in this query");
try {
ParamInfo info = (ParamInfo) _paramInfo.get(new Integer(_fieldNum + 1));
// do type checking and conversion
Class paramClass = info.getTheClass();
Class valueClass = value.getClass();
Class numberClass = java.lang.Number.class;
if (value != null && !paramClass.isAssignableFrom(valueClass))
if (info.isUserDefined())
// If the user specified a type they must pass that exact type.
throw new IllegalArgumentException(
"Query paramter "
+ (_fieldNum + 1)
+ " is not of the expected type "
+ paramClass
+ " it is an instance of the class "
+ valueClass);
else if (numberClass.isAssignableFrom(paramClass)) {
// if the user did not specify a type, we'll get a converter for numeric types.
try {
TypeConvertor tc = Types.getConvertor(valueClass, paramClass);
value = tc.convert(value, null);
} catch (MappingException e) {
throw new IllegalArgumentException(
"Query parameter "
+ (_fieldNum + 1)
+ " cannot be converted from "
+ valueClass
+ " to "
+ paramClass
+ ", because no convertor can be found.");
}
}
if (_bindValues == null) _bindValues = new Object[_bindTypes.length];
for (Enumeration e = info.getParamMap().elements(); e.hasMoreElements(); ) {
int fieldNum = ((Integer) e.nextElement()).intValue();
_bindValues[fieldNum - 1] = value;
}
} catch (IllegalArgumentException except) {
throw except;
}
++_fieldNum;
}
protected TypeInfo getTypeInfo(
final Class fieldType, final CollectionHandler colHandler, final FieldMapping fieldMap)
throws MappingException {
Class internalFieldType = Types.typeFromPrimitive(fieldType);
String typeName = null;
Class sqlType = null;
String sqlParam = null;
String[] sqlTypes = getSqlTypes(fieldMap);
if ((fieldMap.getSql() != null) && (sqlTypes.length > 0)) {
// --TO Check
typeName = sqlTypes[0];
sqlType = SQLTypeInfos.sqlTypeName2javaType(definition2type(typeName));
sqlParam = definition2param(typeName);
} else {
sqlType = internalFieldType;
}
if (_factory != null) {
sqlType = _factory.adjustSqlType(sqlType);
}
TypeConvertor convertorTo = null;
TypeConvertor convertorFrom = null;
if (internalFieldType != sqlType) {
try {
convertorTo = _typeConvertorRegistry.getConvertor(sqlType, internalFieldType, sqlParam);
} catch (MappingException ex) {
boolean isTypeSafeEnum = false;
// -- check for type-safe enum style classes
if ((internalFieldType != null) && (!isPrimitive(internalFieldType))) {
// -- make sure no default constructor
Constructor cons = null;
try {
cons = internalFieldType.getConstructor(EMPTY_ARGS);
if (!Modifier.isPublic(cons.getModifiers())) {
cons = null;
}
} catch (NoSuchMethodException nsmx) {
// -- Do nothing
}
if (cons == null) {
// -- make sure a valueOf factory method exists
try {
Method method = internalFieldType.getMethod(VALUE_OF, STRING_ARG);
Class returnType = method.getReturnType();
if ((returnType != null) && internalFieldType.isAssignableFrom(returnType)) {
int mods = method.getModifiers();
if (Modifier.isStatic(mods)) {
// create individual SQLTypeConverter
convertorTo = new String2EnumTypeConvertor(sqlType, internalFieldType, method);
Types.addEnumType(internalFieldType);
isTypeSafeEnum = true;
}
}
} catch (NoSuchMethodException nsmx) {
// -- Do nothing
}
}
if (isTypeSafeEnum) {
// -- check if name() method should be used instead of toString()
try {
Method method = internalFieldType.getMethod(NAME);
if (String.class == method.getReturnType()) {
convertorFrom = new Enum2StringTypeConvertor(internalFieldType, sqlType, method);
}
} catch (NoSuchMethodException nsmx) {
// -- Do nothing
}
}
}
if (!isTypeSafeEnum) {
throw new MappingException(
"mapping.noConvertor", sqlType.getName(), internalFieldType.getName());
}
}
if (convertorFrom == null) {
convertorFrom = _typeConvertorRegistry.getConvertor(internalFieldType, sqlType, sqlParam);
}
if ((convertorTo != null) && (convertorFrom != null)) {
Types.addConvertibleType(internalFieldType);
}
}
return new TypeInfo(
internalFieldType, convertorTo, convertorFrom, fieldMap.getRequired(), null, colHandler);
}
protected ClassDescriptor createClassDescriptor(final ClassMapping classMapping)
throws MappingException {
// If there is no SQL information for class, ignore it.
if ((classMapping.getMapTo() == null) || (classMapping.getMapTo().getTable() == null)) {
LOG.info(Messages.format("mapping.ignoringMapping", classMapping.getName()));
return null;
}
// Create the class descriptor, and register the JDO nature with it.
ClassDescriptorImpl clsDesc = new ClassDescriptorImpl();
clsDesc.addNature(ClassDescriptorJDONature.class.getName());
ClassDescriptorJDONature jdoNature = new ClassDescriptorJDONature(clsDesc);
// Obtain the Java class.
Class<?> javaClass = resolveType(classMapping.getName());
if (!Types.isConstructable(javaClass, true)) {
throw new MappingException("mapping.classNotConstructable", javaClass.getName());
}
clsDesc.setJavaClass(javaClass);
// If this class extends another class, we need to obtain the extended
// class and make sure this class indeed extends it.
ClassDescriptor extDesc = getExtended(classMapping, javaClass);
if (extDesc != null) {
if (!(extDesc.hasNature(ClassDescriptorJDONature.class.getName()))) {
throw new IllegalArgumentException("Extended class does not have a JDO descriptor");
}
new ClassDescriptorJDONature(extDesc).addExtended(clsDesc);
}
clsDesc.setExtends(extDesc);
// If this class depends on another class, obtain the class it depends upon.
clsDesc.setDepends(getDepended(classMapping, javaClass));
// Create all field descriptors.
FieldDescriptorImpl[] allFields = createFieldDescriptors(classMapping, javaClass);
// Make sure there are no two fields with the same name.
checkFieldNameDuplicates(allFields, javaClass);
// Set class descriptor containing the field
for (int i = 0; i < allFields.length; i++) {
allFields[i].setContainingClassDescriptor(clsDesc);
}
// Identify identity and normal fields. Note that order must be preserved.
List<FieldDescriptor> fieldList = new ArrayList<FieldDescriptor>(allFields.length);
List<FieldDescriptor> idList = new ArrayList<FieldDescriptor>();
if (extDesc == null) {
// Sort fields into 2 lists based on identity definition of field.
for (int i = 0; i < allFields.length; i++) {
if (!allFields[i].isIdentity()) {
fieldList.add(allFields[i]);
} else {
idList.add(allFields[i]);
}
}
if (idList.size() == 0) {
// Found no identities based on identity definition of field.
// Try to find identities based on identity definition on class.
String[] idNames = classMapping.getIdentity();
if ((idNames == null) || (idNames.length == 0)) {
// There are also no identity definitions on class.
throw new MappingException("mapping.noIdentity", javaClass.getName());
}
FieldDescriptor identity;
for (int i = 0; i < idNames.length; i++) {
identity = findIdentityByName(fieldList, idNames[i], javaClass);
if (identity != null) {
idList.add(identity);
} else {
throw new MappingException("mapping.identityMissing", idNames[i], javaClass.getName());
}
}
}
} else {
// Add all fields of extending class to field list.
for (int i = 0; i < allFields.length; i++) {
fieldList.add(allFields[i]);
}
// Add all identities of extended class to identity list.
FieldDescriptor[] extIds = ((ClassDescriptorImpl) extDesc).getIdentities();
for (int i = 0; i < extIds.length; i++) {
idList.add(extIds[i]);
}
// Search redefined identities in extending class.
FieldDescriptor identity;
for (int i = 0; i < idList.size(); i++) {
String idName = (idList.get(i)).getFieldName();
identity = findIdentityByName(fieldList, idName, javaClass);
if (identity != null) {
idList.set(i, identity);
}
}
}
// Set identities on class descriptor.
FieldDescriptor[] ids = new FieldDescriptor[idList.size()];
clsDesc.setIdentities(idList.toArray(ids));
// Set fields on class descriptor.
FieldDescriptor[] fields = new FieldDescriptor[fieldList.size()];
clsDesc.setFields(fieldList.toArray(fields));
jdoNature.setTableName(classMapping.getMapTo().getTable());
// Set the field name used for object modification checks.
jdoNature.setVersionField(classMapping.getVersion());
extractAndSetAccessMode(jdoNature, classMapping);
extractAndAddCacheParams(jdoNature, classMapping, javaClass);
extractAndAddNamedQueries(jdoNature, classMapping);
extractAndAddNamedNativeQueries(jdoNature, classMapping);
extractAndSetKeyGeneratorDescriptor(jdoNature, classMapping.getKeyGenerator());
return clsDesc;
}
