Java Doc for ExportedKeys.java in  » Database-DBMS » Quadcap-Embeddable-Database » com » quadcap » sql » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » Quadcap Embeddable Database » com.quadcap.sql   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.quadcap.sql.ExportedKeys ExportedKeys public class ExportedKeys implements StatementContext(Code) A statement context which keeps track of the set of changes to the keys in a foreign-key constraint during the statement execution. At statement end, we check the entire set to make sure referential integrity has been maintained. author:    Stan Bailes Field Summary  BCursor bc       byte[] buf       ExportedKeyConstraint ec       Btree index       Session session      final static  int valid      Constructor Summary public   ExportedKeys(Session session, ExportedKeyConstraint ec)      Method Summary public  void addDeleteSelfRef(byte[] key, byte[] fkey)      public  void addEntry(byte[] oldkey, byte[] newkey)      public  void addSelfRefEntry(byte[] oldkey, byte[] newkey, byte[] oldfkey, byte[] newfkey)       void doKey(byte[] key, int bit)      public  void finish(boolean abort)      public  int priority()      public  void removeKey(int refSpec, byte[] key)      removal with cascade. Field Detail bc BCursor bc(Code) buf byte[] buf(Code) ec ExportedKeyConstraint ec(Code) index Btree index(Code) session Session session(Code) valid final static int valid(Code) fkey -> key 'k' means "insert k" '~k' means "delete k" First case, key deleted which is not referenced: lsb Encoding of 'ok, ~nk, ~of, ~nf' -> 1 Second case, key deleted where foreign key is also deleted: lsb Encoding of 'ok, ~nk, of, ~nf' -> 5 Encoding of 1, 5: 0x0022 Constructor Detail ExportedKeys public ExportedKeys(Session session, ExportedKeyConstraint ec) throws IOException(Code) Method Detail addDeleteSelfRef public void addDeleteSelfRef(byte[] key, byte[] fkey) throws IOException, SQLException(Code) addEntry public void addEntry(byte[] oldkey, byte[] newkey) throws IOException, SQLException(Code) addSelfRefEntry public void addSelfRefEntry(byte[] oldkey, byte[] newkey, byte[] oldfkey, byte[] newfkey) throws IOException(Code) doKey void doKey(byte[] key, int bit) throws IOException(Code) finish public void finish(boolean abort) throws SQLException, IOException(Code) priority public int priority()(Code) removeKey public void removeKey(int refSpec, byte[] key) throws SQLException(Code) removal with cascade. NYI. XXX 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)