private void validateAmbiguousFieldName(final Field field) throws AmbiguousFieldNameException {
for (Field possibleDuplicate : fields.values()) {
if (possibleDuplicate.getJavaName().equals(field.getJavaName())) {
throw new AmbiguousFieldNameException(
field.getOriginalName(),
possibleDuplicate.getOriginalName(),
originalName,
field.getJavaName());
}
}
}
/**
* Makes name and column type bindings to given <code>field</code>. It also makes default name
* bindings to unnamed {@link Index}es (or autoIncrement {@link PrimaryKey} fields since it covers
* {@link Index})
*
* @param entity used to generate index name if not specified.
* @param field
* @param namingPolicy
* @param dataTypeMapper
*/
public static void makeBinding(
Entity entity,
Field field,
PhysicalNamingPolicy namingPolicy,
DataTypeMapper dataTypeMapper) {
/* NAME BINDING */
if (field.getCustomName() != null) {
// use custom name.
Log.trace(
"Using custom field name on field %s.%s.",
entity.getOriginalName(), field.getOriginalName());
field.setGeneratedName(field.getCustomName());
} else {
// format name accordingly naming policy.
field.setGeneratedName(PhysicalNameGenerator.format(field.getOriginalName(), namingPolicy));
}
/* DATA TYPE BINDING */
if (field.getCustomType() != null) {
// use manual field type.
Log.trace(
"Using custom type on field %s.%s.", entity.getOriginalName(), field.getOriginalName());
field.setType(field.getCustomType());
} else {
Class<?> fieldType = null;
// use Class<?> type of the field.
String customizedBindingType = null;
// TODO add OneToMany and ManyToOne and ManyToMany when eligible.
if (field.isAnnotationPresent(OneToOne.class)) {
// there exists 1:1 set type as matched field's Id type.
Class<?> idType = getAutoIncrementTypeForClass(field.getClazz());
fieldType = idType;
// assign whether a customized field type exists with @Column.
customizedBindingType = getCustomizedBinding(field.getClazz());
Log.trace(
"OneToOne mapping detected on field %s.%s.",
entity.getOriginalName(), field.getOriginalName());
} else if (MappingSession.entityExists(field.getClazz())) {
// infer entity @PrimaryKey type if @*to* annotations does not exist
Class<?> idType = getAutoIncrementTypeForClass(field.getClazz());
fieldType = idType;
if (idType == null) {
throw new NotDeclaredIdException(field.getClazz().getName());
}
// assign whether a customized field type exists with @Column.
customizedBindingType = getCustomizedBinding(field.getClazz());
Log.trace(
"Direct entity mapping inferred on field %s.%s.",
entity.getOriginalName(), field.getOriginalName());
} else {
// usual conditions
fieldType = field.getClazz();
}
if (customizedBindingType != null) // there exists a binding with @Column(name=..)
field.setType(customizedBindingType);
else {
// If field is enum, use enum data type mapping.
if (fieldType != null)
if (fieldType.isEnum()) {
field.setType(dataTypeMapper.getTypeFor(Enum.class));
} else {
field.setType(dataTypeMapper.getTypeFor(fieldType));
}
}
Log.debug(
"Field '%s'(%s) mapped to '%s'(%s) using %s.",
field.getOriginalName(),
field.getClazz().getName(),
field.getGeneratedName(),
field.getType(),
customizedBindingType != null ? "@Column annotation" : "type of @PrimaryKey field");
}
/* INDEX SETTINGS BINDING */
if (field.getIndex() != null) {
if (field.getIndex().name() == null || "".equals(field.getIndex().name())) {
// missing index name, create using field name followed by
// "Index" policy.
String indexName = null;
if (field.isPrimaryKey()) {
indexName =
String.format(
COMPOSITE_INDEX_FORMAT,
PhysicalNameGenerator.capitalize(entity.getGeneratedName()),
INDEX_POSTFIX);
} else {
indexName =
String.format(
FIELD_INDEX_FORMAT,
PhysicalNameGenerator.capitalize(entity.getGeneratedName()),
PhysicalNameGenerator.capitalize(field.getGeneratedName()),
INDEX_POSTFIX);
}
Log.trace("Field '%s' index name binded as '%s'", field.getOriginalName(), indexName);
field.getIndex().name(indexName);
}
}
}
public final void addField(final Field field) throws AmbiguousFieldNameException {
validateAmbiguousFieldName(field);
fields.put(field.getOriginalName(), field);
}