Java Doc for MetaDataUtils.java in  » Testing » PolePosition-0.20 » com » versant » core » metadata » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » PolePosition 0.20 » com.versant.core.metadata   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.versant.core.metadata.MetaDataUtils MetaDataUtils final public class MetaDataUtils (Code) This knows how to analyze types to detirmine default persistence information e.g. persistence-modifier, default-fetch-group and so on. This is used by the runtime meta data building code and the workbench. See Also:   MetaDataBuilder Field Summary protected static  Set BASIC_TYPES      final protected  HashSet DFG_TYPES      Field types in this set default to the default fetch group. final protected  HashSet EMBEDDED_ARRAY_TYPES      Arrays of types in this set are embedded by default. final protected  HashSet PM_PERSISTENT_TYPES      Fields with types in this set are persistent by default. protected  HashSet externalizedTypes      protected  HashSet storeTypes      Constructor Summary public   MetaDataUtils()      Method Summary public  void clear()      Clear the set of classId's generated so far and any other statefull information. public  int generateClassId(String qname)      Generate the classId for the class. public  int getFieldCategory(int persistenceModifier, Class type, Map classMap)      public static  Class getGenericElementType(Field field)      Get the element type for a Collection if possible using the JDK 1.5 generics API or null if not possible. public static  Class getGenericKeyType(Field field)      Get the key type for a Map if possible using the JDK 1.5 generics API or null if not possible. public static  Class getGenericValueType(Field field)      Get the value type for a Map if possible using the JDK 1.5 generics API or null if not possible. public  boolean isBasicType(Class t)      If this is a Basic type as defined by ejb3 spec. public  boolean isDefaultFetchGroupType(Class type)      public  boolean isDefaultPersistentField(ClassMetaData.FieldInfo f, Map classMap)      public  boolean isDefaultPersistentField(Field f, Map classMap)      public  boolean isDefaultPersistentModifiers(int modifiers)      public  boolean isDefaultPersistentType(Class type, Map classMap)      public  boolean isEmbeddedType(Class type)      public  boolean isEnhancerAddedField(String fieldName)      public  boolean isMutableType(Class type)      Is type a mutable type e.g. public  boolean isPersistableField(Field f, Map classMap)      public  boolean isPersistableOnlyUsingExternalization(Class type, Map classMap)      public  boolean isPersistentField(Class type, int modifiers, Map classMap)      public  boolean isPersistentModifiers(int modifiers)      public  boolean isPersistentType(Class type, Map classMap)      public  boolean isTypeRegistered(Class type)      public  void registerExternalizedType(Class t)      Register a type that is persisted using an externalizer. public  void registerStoreType(Class type)      Register a store specific persistent type. Field Detail BASIC_TYPES protected static Set BASIC_TYPES(Code) DFG_TYPES final protected HashSet DFG_TYPES(Code) Field types in this set default to the default fetch group. EMBEDDED_ARRAY_TYPES final protected HashSet EMBEDDED_ARRAY_TYPES(Code) Arrays of types in this set are embedded by default. PM_PERSISTENT_TYPES final protected HashSet PM_PERSISTENT_TYPES(Code) Fields with types in this set are persistent by default. externalizedTypes protected HashSet externalizedTypes(Code) storeTypes protected HashSet storeTypes(Code) Constructor Detail MetaDataUtils public MetaDataUtils()(Code) Method Detail clear public void clear()(Code) Clear the set of classId's generated so far and any other statefull information. generateClassId public int generateClassId(String qname)(Code) Generate the classId for the class. This is a positive int computed from a hash of the class name with duplicates resolved by incrementing the id. getFieldCategory public int getFieldCategory(int persistenceModifier, Class type, Map classMap)(Code) What category does a field with the supplied attributes belong to? Parameters:   persistenceModifier - Transactional fields are CATEGORY_TRANSACTIONAL Parameters:   type - Type of field Parameters:   classMap - Map with all persistent classes as keys One of the MDStatics.CATEGORY_xxx constants See Also:   MDStatics getGenericElementType public static Class getGenericElementType(Field field)(Code) Get the element type for a Collection if possible using the JDK 1.5 generics API or null if not possible. getGenericKeyType public static Class getGenericKeyType(Field field)(Code) Get the key type for a Map if possible using the JDK 1.5 generics API or null if not possible. getGenericValueType public static Class getGenericValueType(Field field)(Code) Get the value type for a Map if possible using the JDK 1.5 generics API or null if not possible. isBasicType public boolean isBasicType(Class t)(Code) If this is a Basic type as defined by ejb3 spec. isDefaultFetchGroupType public boolean isDefaultFetchGroupType(Class type)(Code) Should this field be part of the default fetch group by default? isDefaultPersistentField public boolean isDefaultPersistentField(ClassMetaData.FieldInfo f, Map classMap)(Code) Should f be considered persistent by default? isDefaultPersistentField public boolean isDefaultPersistentField(Field f, Map classMap)(Code) Should f be considered persistent by default? isDefaultPersistentModifiers public boolean isDefaultPersistentModifiers(int modifiers)(Code) Do the modifiers indicate a field that is persistent by default? isDefaultPersistentType public boolean isDefaultPersistentType(Class type, Map classMap)(Code) Is a field of type that should be persistent by default? Parameters:   type - Type to check Parameters:   classMap - Map with all persistent classes as keys isEmbeddedType public boolean isEmbeddedType(Class type)(Code) Should a field of type be embedded by default? isEnhancerAddedField public boolean isEnhancerAddedField(String fieldName)(Code) Is the field of of those added by the enhancer? isMutableType public boolean isMutableType(Class type)(Code) Is type a mutable type e.g. java.util.Date etc? isPersistableField public boolean isPersistableField(Field f, Map classMap)(Code) Can f be persisted? isPersistableOnlyUsingExternalization public boolean isPersistableOnlyUsingExternalization(Class type, Map classMap)(Code) Is a field of a type that can only be persisted through externalization? isPersistentField public boolean isPersistentField(Class type, int modifiers, Map classMap)(Code) Can a field of type with modifiers be considered persistent? Parameters:   type - Type to check Parameters:   modifiers - Field modifiers Parameters:   classMap - Map with all persistent classes as keys isPersistentModifiers public boolean isPersistentModifiers(int modifiers)(Code) Do the modifiers indicate a field can be persistent? isPersistentType public boolean isPersistentType(Class type, Map classMap)(Code) Is a field of type that can be persistent? Parameters:   type - Type to check Parameters:   classMap - Map with all persistent classes as keys isTypeRegistered public boolean isTypeRegistered(Class type)(Code) Has a store specific persistent type been registered? registerExternalizedType public void registerExternalizedType(Class t)(Code) Register a type that is persisted using an externalizer. registerStoreType public void registerStoreType(Class type)(Code) Register a store specific persistent type. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)