protected PropertyMeta parseSimpleProperty(PropertyParsingContext context) {
log.debug(
"Parsing property {} as simple property of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
Class<?> entityClass = context.getCurrentEntityClass();
Field field = context.getCurrentField();
boolean timeUUID = isTimeUUID(context, field);
Method[] accessors = entityIntrospector.findAccessors(entityClass, field);
PropertyType type = SIMPLE;
PropertyMeta propertyMeta =
factory()
.objectMapper(context.getCurrentObjectMapper())
.type(type)
.propertyName(context.getCurrentPropertyName())
.entityClassName(context.getCurrentEntityClass().getCanonicalName())
.accessors(accessors)
.consistencyLevels(context.getCurrentConsistencyLevels())
.field(field)
.timeuuid(timeUUID)
.build(Void.class, field.getType());
log.trace(
"Built simple property meta for property {} of entity class {} : {}",
propertyMeta.getPropertyName(),
context.getCurrentEntityClass().getCanonicalName(),
propertyMeta);
return propertyMeta;
}
public <T> T buildProxy(T entity, EntityOperations context, Set<Method> alreadyLoaded) {
if (entity == null) {
return null;
}
log.debug("Build Cglib proxy for entity {} ", entity);
Class<?> proxyClass = factory.createProxyClass(entity.getClass(), context.getConfigContext());
@SuppressWarnings("unchecked")
T instance = (T) instantiator.instantiate(proxyClass);
EntityMeta meta = context.getEntityMeta();
for (PropertyMeta pm : meta.getAllMetasExceptCounters()) {
Object value = pm.forValues().getValueFromField(entity);
pm.forValues().setValueToField(instance, value);
}
for (PropertyMeta pm : meta.getAllCounterMetas()) {
pm.forValues().setValueToField(entity, null);
}
((Factory) instance)
.setCallbacks(new Callback[] {buildInterceptor(context, entity, alreadyLoaded)});
return instance;
}
private void validatePrimaryKeyComponents(
TableMetadata tableMetadata, PropertyMeta idMeta, boolean partitionKey) {
log.debug(
"Validate existing primary key component from table {} against Achilles meta data {}",
tableMetadata.getName(),
idMeta);
List<String> componentNames;
List<Class<?>> componentClasses;
if (partitionKey) {
componentNames = idMeta.getPartitionComponentNames();
componentClasses = idMeta.getPartitionComponentClasses();
} else {
componentNames = idMeta.getClusteringComponentNames();
componentClasses = idMeta.getClusteringComponentClasses();
}
for (int i = 0; i < componentNames.size(); i++) {
Class<?> componentClass = componentClasses.get(i);
String componentName = componentNames.get(i);
if (idMeta.isComponentTimeUUID(componentName)) {
componentClass = InternalTimeUUID.class;
}
if (partitionKey)
validatePartitionComponent(tableMetadata, componentName.toLowerCase(), componentClass);
else validateClusteringComponent(tableMetadata, componentName.toLowerCase(), componentClass);
}
}
private Object[] extractValuesForSimpleCounterBinding(
EntityMeta entityMeta, PropertyMeta pm, Object primaryKey) {
PropertyMeta idMeta = entityMeta.getIdMeta();
String fqcn = entityMeta.getClassName();
String primaryKeyAsString = idMeta.forTranscoding().forceEncodeToJSONForCounter(primaryKey);
String cql3ColumnName = pm.getCQL3ColumnName();
return new Object[] {fqcn, primaryKeyAsString, cql3ColumnName};
}
private List<Object> fetchPropertiesValues(List<PropertyMeta> pms, Object entity) {
List<Object> values = new ArrayList<>();
for (PropertyMeta pm : pms) {
Object value = pm.forTranscoding().getAndEncodeValueForCassandra(entity);
values.add(value);
}
return values;
}
private List<Object> bindPrimaryKey(
Object primaryKey, PropertyMeta idMeta, boolean onlyStaticColumns) {
List<Object> values = new ArrayList<>();
if (idMeta.structure().isEmbeddedId()) {
values.addAll(idMeta.forTranscoding().encodeToComponents(primaryKey, onlyStaticColumns));
} else {
values.add(idMeta.forTranscoding().encodeToCassandra(primaryKey));
}
return values;
}
private void validateTable(
EntityMeta entityMeta, TableMetadata tableMetadata, PropertyMeta idMeta) {
if (idMeta.isEmbeddedId()) {
validatePrimaryKeyComponents(tableMetadata, idMeta, true);
validatePrimaryKeyComponents(tableMetadata, idMeta, false);
} else {
validateColumn(
tableMetadata,
idMeta.getPropertyName().toLowerCase(),
idMeta.getValueClassForTableCreation(),
idMeta.isIndexed());
}
for (PropertyMeta pm : entityMeta.getAllMetasExceptIdAndCounters()) {
switch (pm.type()) {
case SIMPLE:
validateColumn(
tableMetadata,
pm.getPropertyName().toLowerCase(),
pm.getValueClassForTableCreation(),
pm.isIndexed());
break;
case LIST:
case SET:
case MAP:
validateCollectionAndMapColumn(tableMetadata, pm);
break;
default:
break;
}
}
}
public void loadPropertyIntoObject(
PersistenceContext context, Object realObject, PropertyMeta pm) {
log.trace("Loading property {} into object {}", pm.getPropertyName(), realObject);
PropertyType type = pm.type();
if (type.isCounter()) {
counterLoader.loadCounter(context, realObject, pm);
} else {
Row row = context.loadProperty(pm);
mapper.setPropertyToEntity(row, pm, realObject);
}
}
protected PropertyMeta parseId(PropertyParsingContext context) {
log.debug(
"Parsing property {} as id of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
PropertyMeta idMeta = parseSimpleProperty(context);
idMeta.setType(ID);
Id id = context.getCurrentField().getAnnotation(Id.class);
String propertyName =
StringUtils.isNotBlank(id.name()) ? id.name() : context.getCurrentPropertyName();
idMeta.setPropertyName(propertyName);
return idMeta;
}
public BoundStatementWrapper bindForClusteredCounterIncrementDecrement(
PersistentStateHolder context,
PreparedStatement ps,
PropertyMeta counterMeta,
Long increment) {
EntityMeta entityMeta = context.getEntityMeta();
Object primaryKey = context.getPrimaryKey();
log.trace(
"Bind prepared statement {} for clustered counter increment/decrement for {} using primary key {} and value {}",
ps.getQueryString(),
entityMeta,
primaryKey,
increment);
ConsistencyLevel consistencyLevel = overrider.getWriteLevel(context);
List<Object> primaryKeys =
bindPrimaryKey(
primaryKey, entityMeta.getIdMeta(), counterMeta.structure().isStaticColumn());
Object[] keys = addAll(new Object[] {increment}, primaryKeys.toArray());
BoundStatement bs = ps.bind(keys);
return new BoundStatementWrapper(
context.getEntityClass(),
bs,
keys,
getCQLLevel(consistencyLevel),
NO_LISTENER,
NO_SERIAL_CONSISTENCY);
}
@Test
public void should_update_table_with_new_indexed_simple_field() throws Exception {
// Given
PropertyMeta idMeta = valueClass(Long.class).type(PARTITION_KEY).cqlColumnName("id").build();
PropertyMeta longColPM = valueClass(Long.class).type(SIMPLE).cqlColumnName("longcol").build();
longColPM.setIndexProperties(new IndexProperties("long_index", "longCol"));
when(meta.getAllMetasExceptId()).thenReturn(asList(longColPM));
when(meta.getIdMeta()).thenReturn(idMeta);
when(tableMeta.getColumns()).thenReturn(Arrays.<ColumnMetadata>asList());
// When
updater.updateTableForEntity(session, meta, tableMeta);
// Then
verify(session, Mockito.times(2)).execute(stringCaptor.capture());
final List<String> updates = stringCaptor.getAllValues();
assertThat(updates.get(0)).isEqualTo("\n\tALTER TABLE tableName ADD longcol bigint");
assertThat(updates.get(1)).isEqualTo("\n\tCREATE INDEX long_index ON tableName(longcol)");
}
protected PropertyMeta parseCounterProperty(PropertyParsingContext context) {
log.debug(
"Parsing property {} as counter property of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
Class<?> entityClass = context.getCurrentEntityClass();
Field field = context.getCurrentField();
Method[] accessors = entityIntrospector.findAccessors(entityClass, field);
PropertyType type = PropertyType.COUNTER;
CounterProperties counterProperties =
new CounterProperties(context.getCurrentEntityClass().getCanonicalName());
PropertyMeta propertyMeta =
factory()
.objectMapper(context.getCurrentObjectMapper())
.type(type)
.propertyName(context.getCurrentPropertyName())
.entityClassName(context.getCurrentEntityClass().getCanonicalName())
.accessors(accessors)
.field(field)
.counterProperties(counterProperties)
.consistencyLevels(context.getCurrentConsistencyLevels())
.build(Void.class, field.getType());
context.hasSimpleCounterType();
context.getCounterMetas().add(propertyMeta);
if (context.isCustomConsistencyLevels()) {
parseSimpleCounterConsistencyLevel(context, propertyMeta);
}
log.trace(
"Built simple property meta for property {} of entity class {} : {}",
propertyMeta.getPropertyName(),
context.getCurrentEntityClass().getCanonicalName(),
propertyMeta);
return propertyMeta;
}
private void parseSimpleCounterConsistencyLevel(
PropertyParsingContext context, PropertyMeta propertyMeta) {
log.trace("Parse custom consistency levels for counter property {}", propertyMeta);
Pair<ConsistencyLevel, ConsistencyLevel> consistencyLevels =
findConsistencyLevels(context.getCurrentField(), context.getDefaultConsistencyLevels());
validator.validateConsistencyLevelForCounter(context, consistencyLevels);
log.trace("Found custom consistency levels : {}", consistencyLevels);
propertyMeta.setConsistencyLevels(consistencyLevels);
}
protected <K, V> PropertyMeta parseMapProperty(PropertyParsingContext context) {
log.debug(
"Parsing property {} as map property of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
Class<?> entityClass = context.getCurrentEntityClass();
Field field = context.getCurrentField();
boolean timeUUID = isTimeUUID(context, field);
validator.validateMapGenerics(field, entityClass);
Pair<Class<K>, Class<V>> types = determineMapGenericTypes(field);
Class<K> keyClass = types.left;
Class<V> valueClass = types.right;
Method[] accessors = entityIntrospector.findAccessors(entityClass, field);
PropertyType type = MAP;
PropertyMeta mapMeta =
factory()
.objectMapper(context.getCurrentObjectMapper())
.type(type)
.propertyName(context.getCurrentPropertyName())
.entityClassName(context.getCurrentEntityClass().getCanonicalName())
.consistencyLevels(context.getCurrentConsistencyLevels())
.accessors(accessors)
.field(field)
.timeuuid(timeUUID)
.build(keyClass, valueClass);
log.trace(
"Built map property meta for property {} of entity class {} : {}",
mapMeta.getPropertyName(),
context.getCurrentEntityClass().getCanonicalName(),
mapMeta);
return mapMeta;
}
public PropertyMeta parse(PropertyParsingContext context) {
log.debug(
"Parsing property {} of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
Field field = context.getCurrentField();
inferPropertyName(context);
context.setCustomConsistencyLevels(hasConsistencyAnnotation(context.getCurrentField()));
validator.validateNoDuplicate(context);
validator.validateIndexIfSet(context);
Class<?> fieldType = field.getType();
PropertyMeta propertyMeta;
if (List.class.isAssignableFrom(fieldType)) {
propertyMeta = parseListProperty(context);
} else if (Set.class.isAssignableFrom(fieldType)) {
propertyMeta = parseSetProperty(context);
} else if (Map.class.isAssignableFrom(fieldType)) {
propertyMeta = parseMapProperty(context);
} else if (Counter.class.isAssignableFrom(fieldType)) {
propertyMeta = parseCounterProperty(context);
} else if (context.isEmbeddedId()) {
propertyMeta = parseEmbeddedId(context);
} else if (context.isPrimaryKey()) {
propertyMeta = parseId(context);
} else {
propertyMeta = parseSimpleProperty(context);
String indexName = getIndexName(field);
if (indexName != null) {
propertyMeta.setIndexProperties(new IndexProperties(indexName));
}
}
context.getPropertyMetas().put(context.getCurrentPropertyName(), propertyMeta);
return propertyMeta;
}
protected PropertyMeta parseEmbeddedId(PropertyParsingContext context) {
log.debug(
"Parsing property {} as embedded id of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
Class<?> entityClass = context.getCurrentEntityClass();
Field field = context.getCurrentField();
EmbeddedId embeddedId = field.getAnnotation(EmbeddedId.class);
String propertyName =
StringUtils.isNotBlank(embeddedId.name())
? embeddedId.name()
: context.getCurrentPropertyName();
Method[] accessors = entityIntrospector.findAccessors(entityClass, field);
PropertyType type = EMBEDDED_ID;
EmbeddedIdProperties embeddedIdProperties = extractEmbeddedIdProperties(field.getType());
PropertyMeta propertyMeta =
factory()
.objectMapper(context.getCurrentObjectMapper())
.type(type)
.propertyName(propertyName)
.embeddedIdProperties(embeddedIdProperties)
.entityClassName(context.getCurrentEntityClass().getCanonicalName())
.accessors(accessors)
.field(field)
.consistencyLevels(context.getCurrentConsistencyLevels())
.build(Void.class, field.getType());
log.trace(
"Built embedded id property meta for property {} of entity class {} : {}",
propertyMeta.getPropertyName(),
context.getCurrentEntityClass().getCanonicalName(),
propertyMeta);
return propertyMeta;
}
public <V> PropertyMeta parseSetProperty(PropertyParsingContext context) {
log.debug(
"Parsing property {} as set property of entity class {}",
context.getCurrentPropertyName(),
context.getCurrentEntityClass().getCanonicalName());
Class<?> entityClass = context.getCurrentEntityClass();
Field field = context.getCurrentField();
boolean timeUUID = isTimeUUID(context, field);
Class<V> valueClass;
Type genericType = field.getGenericType();
valueClass = inferValueClassForListOrSet(genericType, entityClass);
Method[] accessors = entityIntrospector.findAccessors(entityClass, field);
PropertyType type = SET;
PropertyMeta setMeta =
factory()
.objectMapper(context.getCurrentObjectMapper())
.type(type)
.propertyName(context.getCurrentPropertyName())
.entityClassName(context.getCurrentEntityClass().getCanonicalName())
.consistencyLevels(context.getCurrentConsistencyLevels())
.accessors(accessors)
.field(field)
.timeuuid(timeUUID)
.build(Void.class, valueClass);
log.trace(
"Built set property meta for property {} of entity class {} : {}",
setMeta.getPropertyName(),
context.getCurrentEntityClass().getCanonicalName(),
setMeta);
return setMeta;
}
private void validateCollectionAndMapColumn(TableMetadata tableMetadata, PropertyMeta pm) {
log.debug("Validate existing collection/map column {} from table {}");
String columnName = pm.getPropertyName().toLowerCase();
String tableName = tableMetadata.getName();
ColumnMetadata columnMetadata = tableMetadata.getColumn(columnName);
Validator.validateTableTrue(
columnMetadata != null, "Cannot find column '%s' in the table '%s'", columnName, tableName);
Name realType = columnMetadata.getType().getName();
Name expectedValueType = toCQLType(pm.getValueClassForTableCreation());
switch (pm.type()) {
case LIST:
Validator.validateTableTrue(
realType == Name.LIST,
"Column '%s' of table '%s' of type '%s' should be of type '%s' indeed",
columnName,
tableName,
realType,
Name.LIST);
Name realListValueType = columnMetadata.getType().getTypeArguments().get(0).getName();
Validator.validateTableTrue(
realListValueType == expectedValueType,
"Column '%s' of table '%s' of type 'List<%s>' should be of type 'List<%s>' indeed",
columnName,
tableName,
realListValueType,
expectedValueType);
break;
case SET:
Validator.validateTableTrue(
realType == Name.SET,
"Column '%s' of table '%s' of type '%s' should be of type '%s' indeed",
columnName,
tableName,
realType,
Name.SET);
Name realSetValueType = columnMetadata.getType().getTypeArguments().get(0).getName();
Validator.validateTableTrue(
realSetValueType == expectedValueType,
"Column '%s' of table '%s' of type 'Set<%s>' should be of type 'Set<%s>' indeed",
columnName,
tableName,
realSetValueType,
expectedValueType);
break;
case MAP:
Validator.validateTableTrue(
realType == Name.MAP,
"Column '%s' of table '%s' of type '%s' should be of type '%s' indeed",
columnName,
tableName,
realType,
Name.MAP);
Name expectedMapKeyType = toCQLType(pm.getKeyClass());
Name realMapKeyType = columnMetadata.getType().getTypeArguments().get(0).getName();
Name realMapValueType = columnMetadata.getType().getTypeArguments().get(1).getName();
Validator.validateTableTrue(
realMapKeyType == expectedMapKeyType,
"Column %s' of table '%s' of type 'Map<%s,?>' should be of type 'Map<%s,?>' indeed",
columnName,
tableName,
realMapKeyType,
expectedMapKeyType);
Validator.validateTableTrue(
realMapValueType == expectedValueType,
"Column '%s' of table '%s' of type 'Map<?,%s>' should be of type 'Map<?,%s>' indeed",
columnName,
tableName,
realMapValueType,
expectedValueType);
break;
default:
break;
}
}
