Java Doc for DefaultExpr.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » db » sql » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.db.sql   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.caucho.db.sql.Expr       com.caucho.db.sql.DefaultExpr DefaultExpr class DefaultExpr extends Expr (Code) Constructor Summary   DefaultExpr(Expr expr, Expr defaultExpr)      Method Summary protected  Expr bind(Query query)      public  int evalBoolean(QueryContext context)      Evaluates the expression as a boolean. public  long evalDate(QueryContext context)      Evaluates the expression as a date. public  double evalDouble(QueryContext context)      Evaluates the expression as a double. public  long evalLong(QueryContext context)      Evaluates the expression as a long. public  String evalString(QueryContext context)      Evaluates the expression as a string. public  void evalToResult(QueryContext context, SelectResult result)      Evaluates the expression, writing to the output stream. public  Class getType()      Returns the type of the expression. public  boolean isNull(QueryContext context)      Returns true if the expression is null. public  String toString()      Constructor Detail DefaultExpr DefaultExpr(Expr expr, Expr defaultExpr)(Code) Method Detail bind protected Expr bind(Query query) throws SQLException(Code) evalBoolean public int evalBoolean(QueryContext context) throws SQLException(Code) Evaluates the expression as a boolean. Parameters:   rows - the current database tuple the boolean value evalDate public long evalDate(QueryContext context) throws SQLException(Code) Evaluates the expression as a date. Parameters:   rows - the current database tuple the double value evalDouble public double evalDouble(QueryContext context) throws SQLException(Code) Evaluates the expression as a double. Parameters:   rows - the current database tuple the double value evalLong public long evalLong(QueryContext context) throws SQLException(Code) Evaluates the expression as a long. Parameters:   rows - the current database tuple the long value evalString public String evalString(QueryContext context) throws SQLException(Code) Evaluates the expression as a string. Parameters:   rows - the current database tuple the string value evalToResult public void evalToResult(QueryContext context, SelectResult result) throws SQLException(Code) Evaluates the expression, writing to the output stream. Parameters:   ws - the output write stream getType public Class getType()(Code) Returns the type of the expression. isNull public boolean isNull(QueryContext context) throws SQLException(Code) Returns true if the expression is null. Parameters:   rows - the current database tuple true if null toString public String toString()(Code) Fields inherited from com.caucho.db.sql.Expr final static long COST_CONSTANT(Code)(Java Doc) final static long COST_INDEX(Code)(Java Doc) final static long COST_INVALID(Code)(Java Doc) final static long COST_NO_TABLE(Code)(Java Doc) final static long COST_SCAN(Code)(Java Doc) final static long COST_UNIQUE(Code)(Java Doc) final public static int FALSE(Code)(Java Doc) final protected static L10N L(Code)(Java Doc) final public static int TRUE(Code)(Java Doc) final public static int UNKNOWN(Code)(Java Doc) Methods inherited from com.caucho.db.sql.Expr protected Expr bind(Query query) throws SQLException(Code)(Java Doc) public long cost(ArrayList<FromItem> fromList)(Code)(Java Doc) public Order createOrder(int index)(Code)(Java Doc) public int evalBoolean(QueryContext context) throws SQLException(Code)(Java Doc) public long evalDate(QueryContext context) throws SQLException(Code)(Java Doc) public double evalDouble(QueryContext context) throws SQLException(Code)(Java Doc) public void evalGroup(QueryContext context) throws SQLException(Code)(Java Doc) public long evalLong(QueryContext context) throws SQLException(Code)(Java Doc) public InputStream evalStream(QueryContext context) throws SQLException(Code)(Java Doc) public String evalString(QueryContext context) throws SQLException(Code)(Java Doc) public int evalToBuffer(QueryContext context, byte[] buffer, int columnType) throws SQLException(Code)(Java Doc) public void evalToResult(QueryContext context, SelectResult result) throws SQLException(Code)(Java Doc) public RowIterateExpr getIndexExpr(FromItem fromItem)(Code)(Java Doc) public String getName()(Code)(Java Doc) public int getSQLType()(Code)(Java Doc) public Table getTable()(Code)(Java Doc) public Class getType()(Code)(Java Doc) public void initGroup(QueryContext context) throws SQLException(Code)(Java Doc) public boolean isBinaryStream()(Code)(Java Doc) public boolean isBoolean()(Code)(Java Doc) public boolean isDouble()(Code)(Java Doc) public boolean isLong()(Code)(Java Doc) public boolean isNull(QueryContext context) throws SQLException(Code)(Java Doc) public boolean isSelect(QueryContext context) throws SQLException(Code)(Java Doc) public void splitAnd(ArrayList<Expr> andProduct)(Code)(Java Doc) public long subCost(ArrayList<FromItem> fromList)(Code)(Java Doc) 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)