Java Doc for JdbcClass.java in  » Testing » PolePosition-0.20 » com » versant » core » jdbc » 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.jdbc.metadata   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.versant.core.jdbc.metadata.JdbcClass JdbcClass final public class JdbcClass implements Serializable(Code) Extra meta data for a class stored in JDBC. Some of the fields are also present in the normal ClassMetaData and are duplicated here for performance reasons. Field Summary final public static  int INHERITANCE_FLAT      Subclass fields stored in the table of its immediate superclass. final public static  int INHERITANCE_HORIZONTAL      Fields stored in subclass table. final public static  int INHERITANCE_VERTICAL      Subclass fields stored in its own table. final public static  int OPTIMISTIC_LOCKING_CHANGED      Detect concurrent updates to this class by including the previous values of all changed fields in the where clause. final public static  int OPTIMISTIC_LOCKING_NONE      Do not detect concurrent updates to this class. final public static  int OPTIMISTIC_LOCKING_TIMESTAMP      Detect concurrent updates to this class by using a timestamp column. final public static  int OPTIMISTIC_LOCKING_VERSION      Detect concurrent updates to this class by using a version column. public  JdbcTable[] allTables      All the tables for this class including superclass tables. public  JdbcColumn classIdCol      The column used to hold the classId value for each row. public  ClassMetaData cmd      The normal meta data for our class. public  String deleteRowSql      Cache for SQL required to delete a main table row for this class. public  boolean doNotCreateTable      If this flag is set the the table for this class will not be created by the create schema task or the workbench. public  JdbcField[] fields      The fields in fieldNo order. public  int inheritance      The inheritance strategy for this class. public  Object jdbcClassId      Our classId for this class. public  JdbcKeyGenerator jdbcKeyGenerator      The JDBC key generator for this class (null if no key generator is required). public  String lockRowSql      Cache for SQL required to lock the main table row for this class. public  boolean noBatching      Do not use statement batching with this class. public  int optimisticLocking      How optimistic locking is done for this class (one of the OPTIMISTIC_LOCKING_xxx constants). public  JdbcSimpleField optimisticLockingField      The field used to store the row version or timestamp value for this table for optimistic locking. public  ClassMetaData readAsClass      Treat rows in the database that would be instances of us as instances of readAsClass instead. final public  SqlDriver sqlDriver      Our SqlDriver. public  JdbcField[] stateFields      The fields in State fieldNo order. public  JdbcTable table      Our table. public  String tableName      The name of our table. public  int useJoin      This becomes the default value for the useJoin field for references to this class. Constructor Summary public   JdbcClass(SqlDriver sqlDriver)      Method Summary public  void buildStateFields()      Build the stateFields array for this class. public  void convertJdbcClassIdToInteger()      Convert our jdbcClassId to an Integer if it is not already an Integer. public  void copyOptimisticLockingToSubs()      Copy our optimistic locking settings to all of our subclasses. public  void dump()      public  void dump(PrintStream out, String indent)      public  ClassMetaData findClass(Object jdbcClassId)      Find the class with the given JDBC classId. public  void findFieldsForColumn(ClassMetaData cmd, String columnName, List list)      Find all fields in this class that have columnName in their main table columns and add them to list. public  JdbcSimpleField findPkField(String fname)      Find a primary key field of this class or the topmost superclass in the heirachy by name or null if none. public  int findPkFieldIndex(JdbcSimpleField f)      Find the index of the primary key field f or -1 if none. public  SqlExp getCheckClassIdExp(SelectExp se)      Get an SqlExp that will only return instances of this class or one of its subclasses from this table. public  LiteralExp getClassIdExp(boolean subclasses)      Get a LiteralExp for our jdbc-class-id. public  Map getColNamesToJdbcField()      public  String getLockRowColumnName()      Get the column that should be used for update locking. public  String getLockRowSql()      Get SQL to lock a row in our table. public  int getMaxOIDsForIN(SqlDriver sqlDriver)      Get the maximum number of OIDs for this class that can be included in an IN (?, .., ?) statement. public  void getTables(HashSet tables)      Add all tables that belong to this class to the set. public  boolean isIntJdbcClassIdHeirachy()      See if our jdbcClassId that those of all of our subclasses are ints. public  boolean isMultiTableHeirachy()      public  void markColumnsShared(String columnName, JdbcTable cTable)      Mark any columns for fields in this class with name columnName shared = true unless they are primary key fields. public  void markSubclassColumnsShared(String columnName)      Find any columns in any of our subclasses (and recursively their subclasses) with columnName and set shared = true for them. public  void setClassIdCol(JdbcColumn classIdCol)      Set the classIdField for this class and recursively all its subclasses. public  void setJdbcKeyGenerator(JdbcKeyGenerator jdbcKeyGenerator)      Set the key generator for this class and recursively all its subclasses. public  void setTable(JdbcTable table)      Set the table for this class. public static  String toOptimisticLockingString(int o)      public  String toString()      Field Detail INHERITANCE_FLAT final public static int INHERITANCE_FLAT(Code) Subclass fields stored in the table of its immediate superclass. INHERITANCE_HORIZONTAL final public static int INHERITANCE_HORIZONTAL(Code) Fields stored in subclass table. INHERITANCE_VERTICAL final public static int INHERITANCE_VERTICAL(Code) Subclass fields stored in its own table. OPTIMISTIC_LOCKING_CHANGED final public static int OPTIMISTIC_LOCKING_CHANGED(Code) Detect concurrent updates to this class by including the previous values of all changed fields in the where clause. OPTIMISTIC_LOCKING_NONE final public static int OPTIMISTIC_LOCKING_NONE(Code) Do not detect concurrent updates to this class. OPTIMISTIC_LOCKING_TIMESTAMP final public static int OPTIMISTIC_LOCKING_TIMESTAMP(Code) Detect concurrent updates to this class by using a timestamp column. OPTIMISTIC_LOCKING_VERSION final public static int OPTIMISTIC_LOCKING_VERSION(Code) Detect concurrent updates to this class by using a version column. allTables public JdbcTable[] allTables(Code) All the tables for this class including superclass tables. The entry at 0 is the table for the topmost superclass. Also table == allTables[allTables.length - 1]. classIdCol public JdbcColumn classIdCol(Code) The column used to hold the classId value for each row. This is used to implement inheritance. It may be null if this class has no persistent subclasses or if all of the subclasses use vertical inheritance. This field is set to the same value for all the classes in a heirachy. cmd public ClassMetaData cmd(Code) The normal meta data for our class. deleteRowSql public String deleteRowSql(Code) Cache for SQL required to delete a main table row for this class. doNotCreateTable public boolean doNotCreateTable(Code) If this flag is set the the table for this class will not be created by the create schema task or the workbench. fields public JdbcField[] fields(Code) The fields in fieldNo order. Note that if a fieldNo is transactional then its entry here will be null. inheritance public int inheritance(Code) The inheritance strategy for this class. This will be INHERITANCE_FLAT if the class is not in a heirachy or is a base class. See Also:   JdbcClass.INHERITANCE_FLAT See Also:   JdbcClass.INHERITANCE_VERTICAL jdbcClassId public Object jdbcClassId(Code) Our classId for this class. This does not have to be the same as that in ClassMetaData. It only has to be unique within an inheritance heirachy. This will default to the classId of the class. If the classIdCol column is a number (INT etc) then this must be a Number. Otherwise it must be a String. See Also:   ClassMetaData.classId jdbcKeyGenerator public JdbcKeyGenerator jdbcKeyGenerator(Code) The JDBC key generator for this class (null if no key generator is required). lockRowSql public String lockRowSql(Code) Cache for SQL required to lock the main table row for this class. noBatching public boolean noBatching(Code) Do not use statement batching with this class. optimisticLocking public int optimisticLocking(Code) How optimistic locking is done for this class (one of the OPTIMISTIC_LOCKING_xxx constants). optimisticLockingField public JdbcSimpleField optimisticLockingField(Code) The field used to store the row version or timestamp value for this table for optimistic locking. It may be null. This may be a fake field. readAsClass public ClassMetaData readAsClass(Code) Treat rows in the database that would be instances of us as instances of readAsClass instead. This is used to implement flat inheritance with no descriminator where rows are instances of the leaf class. sqlDriver final public SqlDriver sqlDriver(Code) Our SqlDriver. stateFields public JdbcField[] stateFields(Code) The fields in State fieldNo order. Note that if a fieldNo is transactional then its entry here will be null. This includes all fields from superclasses. table public JdbcTable table(Code) Our table. This may be the table of the pcSuperClass if this is a subclass with fields stored in the base table. tableName public String tableName(Code) The name of our table. useJoin public int useJoin(Code) This becomes the default value for the useJoin field for references to this class. See Also:   JdbcRefField.useJoin Constructor Detail JdbcClass public JdbcClass(SqlDriver sqlDriver)(Code) Method Detail buildStateFields public void buildStateFields()(Code) Build the stateFields array for this class. convertJdbcClassIdToInteger public void convertJdbcClassIdToInteger()(Code) Convert our jdbcClassId to an Integer if it is not already an Integer. Recursively process subclasses. copyOptimisticLockingToSubs public void copyOptimisticLockingToSubs()(Code) Copy our optimistic locking settings to all of our subclasses. dump public void dump()(Code) dump public void dump(PrintStream out, String indent)(Code) findClass public ClassMetaData findClass(Object jdbcClassId)(Code) Find the class with the given JDBC classId. This might be ourselves or one of our subclasses. Returns null if not found. findFieldsForColumn public void findFieldsForColumn(ClassMetaData cmd, String columnName, List list)(Code) Find all fields in this class that have columnName in their main table columns and add them to list. findPkField public JdbcSimpleField findPkField(String fname)(Code) Find a primary key field of this class or the topmost superclass in the heirachy by name or null if none. findPkFieldIndex public int findPkFieldIndex(JdbcSimpleField f)(Code) Find the index of the primary key field f or -1 if none. getCheckClassIdExp public SqlExp getCheckClassIdExp(SelectExp se)(Code) Get an SqlExp that will only return instances of this class or one of its subclasses from this table. Parameters:   se - A select against our table getClassIdExp public LiteralExp getClassIdExp(boolean subclasses)(Code) Get a LiteralExp for our jdbc-class-id. If subclasses is true then a list of LiteralExp's are returned including all the getColNamesToJdbcField public Map getColNamesToJdbcField()(Code) getLockRowColumnName public String getLockRowColumnName()(Code) Get the column that should be used for update locking. getLockRowSql public String getLockRowSql()(Code) Get SQL to lock a row in our table. getMaxOIDsForIN public int getMaxOIDsForIN(SqlDriver sqlDriver)(Code) Get the maximum number of OIDs for this class that can be included in an IN (?, .., ?) statement. This depends on the database and the number of columns in the primary key. The return value is zero if this class has a composite primary key. getTables public void getTables(HashSet tables)(Code) Add all tables that belong to this class to the set. isIntJdbcClassIdHeirachy public boolean isIntJdbcClassIdHeirachy()(Code) See if our jdbcClassId that those of all of our subclasses are ints. This is used to default the type of the descriminator column to INTEGER if possible. isMultiTableHeirachy public boolean isMultiTableHeirachy()(Code) Is this class stored in a different table to the base class in the heirachy? markColumnsShared public void markColumnsShared(String columnName, JdbcTable cTable)(Code) Mark any columns for fields in this class with name columnName shared = true unless they are primary key fields. markSubclassColumnsShared public void markSubclassColumnsShared(String columnName)(Code) Find any columns in any of our subclasses (and recursively their subclasses) with columnName and set shared = true for them. setClassIdCol public void setClassIdCol(JdbcColumn classIdCol)(Code) Set the classIdField for this class and recursively all its subclasses. setJdbcKeyGenerator public void setJdbcKeyGenerator(JdbcKeyGenerator jdbcKeyGenerator)(Code) Set the key generator for this class and recursively all its subclasses. setTable public void setTable(JdbcTable table)(Code) Set the table for this class. This will also set the tablename and allTables fields. This method must only be invoked one a subclass if it has been called on its superclass. toOptimisticLockingString public static String toOptimisticLockingString(int o)(Code) 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)