Java Doc for FetchGroup.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.FetchGroup FetchGroup final public class FetchGroup implements Serializable,Comparable(Code) A group of fields from a class that are retrieved together. This holds the field and assorted store specific options. Field Summary final public static  String ALL_COLS_NAME      This is the fetchGroup to load all columns in the class table. final public static  String DEL_NAME      This is the name reserved for the fetch group containing all the direct references and dependent fields. final public static  String DEP_NAME      This is the name reserved for the fetch group containing all the depedent reference and collection fields for delete reachability searching. final public static  String DETAIL_NAME      This is the name reserved for the fetch group containing all the reference fields used to complete one-to-many relationships. final public static  String DFG_NAME      This is the name reserved for the default fetch group. final public static  String DFG_NAME_NO_FAKES      This is the name reserved for the default fetch group without fake fields. final public static  FetchGroupField[] EMPTY_FETCHGROUP_FIELDS      final public static  int[] EMPTY_INT_ARRAY      final public static  String MANY_TO_MANY_NAME      This is the name reserved for the fetch group containing all the many-to-many fields that must be cleared when deleting an instance. final public static  String REF_NAME      This is the name reserved for the fetch group containing all the reference and collection fields for reachability searching. final public static  String REQ_NAME      This is the name reserved for the fetch group containing all the fields that must be filled in the original state (e.g. final public static  String RETRIEVE_NAME      This is the fetchGroup to load all data. public  ClassMetaData classMetaData      The class this group belongs to. public  FetchGroupField crossJoinedCollectionField      This is a fgf for a jdbc collection field that must be cross joined. public  JdoExtension extension      The parsed meta data for this group (null if none i.e. public  FetchGroupField[] fields      The fields in this group in fieldNo order. public  boolean hasPrimaryFields      public  int index      Our index in our classes fetchGroups array. public  int jdbcTotalCols      The total number of main table columns in the fetch group. public  String name      The name of this group. public  boolean sendFieldsOnFetch      Send any available State data for the instance being fetched along with the fetch call. public  int[] stateFieldNos      The state field no's of the fetchGroup. public transient  StoreFetchGroup storeFetchGroup      Extra store specific info attached to this fetch group. public  FetchGroup[] subFetchGroups      The sub fetch groups from our subclasses or null if none. public  FetchGroup superFetchGroup      The corresponding fetch group from our superclass or null if none. Constructor Summary public   FetchGroup(ClassMetaData classMetaData, String name, StoreFetchGroup sfg)      Method Summary public  void add(FieldMetaData fmd)      Add a field to this group. public  boolean canUseParallelFetch()      Can this fetch group make use of parallel fetching of collections and maps? This will recursively check fetch groups we reference and so on. public  int compareTo(Object o)      Sort by name except for the default fetch group which is always first. public  boolean contains(FieldMetaData fmd)      public  void dump()      public  void dump(PrintStream out, String indent)      public  void finish()      Finish initialization of this fetch group. public  int getStateIndex()      Get the state fetch group index of this group. public  boolean hasPrimaryFields(boolean nonFake)      Does this fetch group or any of its sub fetch groups contain any fields with primaryField true? This will search the heirachy i.e. it does not check the hasPrimaryFields flag. public  boolean hasSecondaryFields()      public  boolean isRefFG()      public  FetchGroup resolve(OID oid, ModelMetaData jmd)      Make sure this fetchGroup is for the available class of OID or one of its superclasses. public  FetchGroup resolve(ClassMetaData availableCmd)      Returns the most derived usable group i.e. public  void setHasPrimaryFields(boolean on)      Set the hasPrimaryFields flag on us and all of our sub fetch groups recursively. public  void setSendFieldsOnFetch(boolean on)      Set the sendFieldsOnFetch flag for us and all of our sub fetch groups recursively. public  String toString()      Field Detail ALL_COLS_NAME final public static String ALL_COLS_NAME(Code) This is the fetchGroup to load all columns in the class table. DEL_NAME final public static String DEL_NAME(Code) This is the name reserved for the fetch group containing all the direct references and dependent fields. All instances in the delete graph must contain at least this group. This will always be a superset of the DEP_NAME group. See Also:   FetchGroup.DEP_NAME DEP_NAME final public static String DEP_NAME(Code) This is the name reserved for the fetch group containing all the depedent reference and collection fields for delete reachability searching. DETAIL_NAME final public static String DETAIL_NAME(Code) This is the name reserved for the fetch group containing all the reference fields used to complete one-to-many relationships. DFG_NAME final public static String DFG_NAME(Code) This is the name reserved for the default fetch group. DFG_NAME_NO_FAKES final public static String DFG_NAME_NO_FAKES(Code) This is the name reserved for the default fetch group without fake fields. EMPTY_FETCHGROUP_FIELDS final public static FetchGroupField[] EMPTY_FETCHGROUP_FIELDS(Code) EMPTY_INT_ARRAY final public static int[] EMPTY_INT_ARRAY(Code) MANY_TO_MANY_NAME final public static String MANY_TO_MANY_NAME(Code) This is the name reserved for the fetch group containing all the many-to-many fields that must be cleared when deleting an instance. See Also:   ClassMetaData.managedManyToManyFetchGroup REF_NAME final public static String REF_NAME(Code) This is the name reserved for the fetch group containing all the reference and collection fields for reachability searching. REQ_NAME final public static String REQ_NAME(Code) This is the name reserved for the fetch group containing all the fields that must be filled in the original state (e.g. jdoVersion etc.) when persisting changes to instances. RETRIEVE_NAME final public static String RETRIEVE_NAME(Code) This is the fetchGroup to load all data. classMetaData public ClassMetaData classMetaData(Code) The class this group belongs to. crossJoinedCollectionField public FetchGroupField crossJoinedCollectionField(Code) This is a fgf for a jdbc collection field that must be cross joined. Maps is not supported. extension public JdoExtension extension(Code) The parsed meta data for this group (null if none i.e. automatically generated fetch group e.g. the default fetch group). fields public FetchGroupField[] fields(Code) The fields in this group in fieldNo order. hasPrimaryFields public boolean hasPrimaryFields(Code) Does this fetch group or any other fetch group in the heirachy contain any fields with primaryField true? index public int index(Code) Our index in our classes fetchGroups array. This is -1 for dynamically created fetch groups as they are not in the fetchGroups array. See Also:   ClassMetaData.fetchGroups jdbcTotalCols public int jdbcTotalCols(Code) The total number of main table columns in the fetch group. name public String name(Code) The name of this group. sendFieldsOnFetch public boolean sendFieldsOnFetch(Code) Send any available State data for the instance being fetched along with the fetch call. This is used for fields that have some data stored with the instance itself and some data stored elsewhere e.g. collections on VDS. stateFieldNos public int[] stateFieldNos(Code) The state field no's of the fetchGroup. storeFetchGroup public transient StoreFetchGroup storeFetchGroup(Code) Extra store specific info attached to this fetch group. subFetchGroups public FetchGroup[] subFetchGroups(Code) The sub fetch groups from our subclasses or null if none. superFetchGroup public FetchGroup superFetchGroup(Code) The corresponding fetch group from our superclass or null if none. Constructor Detail FetchGroup public FetchGroup(ClassMetaData classMetaData, String name, StoreFetchGroup sfg)(Code) Method Detail add public void add(FieldMetaData fmd)(Code) Add a field to this group. This is used to add fake fields created by stores to hold extra information (e.g. row version column values for the JDBC store). canUseParallelFetch public boolean canUseParallelFetch()(Code) Can this fetch group make use of parallel fetching of collections and maps? This will recursively check fetch groups we reference and so on. compareTo public int compareTo(Object o)(Code) Sort by name except for the default fetch group which is always first. Do not change this ordering. contains public boolean contains(FieldMetaData fmd)(Code) Is the field part of this group? dump public void dump()(Code) dump public void dump(PrintStream out, String indent)(Code) finish public void finish()(Code) Finish initialization of this fetch group. getStateIndex public int getStateIndex()(Code) Get the state fetch group index of this group. See Also:   State hasPrimaryFields public boolean hasPrimaryFields(boolean nonFake)(Code) Does this fetch group or any of its sub fetch groups contain any fields with primaryField true? This will search the heirachy i.e. it does not check the hasPrimaryFields flag. If nonFake is true then only fields with fake == true are not considered. hasSecondaryFields public boolean hasSecondaryFields()(Code) Does this fetch group or any of its sub fetch groups contain any fields with secondaryField true? isRefFG public boolean isRefFG()(Code) resolve public FetchGroup resolve(OID oid, ModelMetaData jmd)(Code) Make sure this fetchGroup is for the available class of OID or one of its superclasses. Returns the most derived usable group i.e. if this method is called with a group for class Base and the available class from the OID is a subclass of base then the corresponding sub group will be returned. resolve public FetchGroup resolve(ClassMetaData availableCmd)(Code) Returns the most derived usable group i.e. if this method is called with a group for class Base and availableCmd is a subclass of base then the corresponding sub group will be returned. setHasPrimaryFields public void setHasPrimaryFields(boolean on)(Code) Set the hasPrimaryFields flag on us and all of our sub fetch groups recursively. setSendFieldsOnFetch public void setSendFieldsOnFetch(boolean on)(Code) Set the sendFieldsOnFetch flag for us and all of our sub fetch groups recursively. toString public String toString()(Code) 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)