Java Doc for SqlHelper.java in  » Database-ORM » db-ojb » org » apache » ojb » broker » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.broker.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.ojb.broker.util.SqlHelper SqlHelper public class SqlHelper (Code) Helper class for all SQL related stuff. author:    Armin Waibel version:    $Id: SqlHelper.java,v 1.24.2.4 2005/12/21 22:27:47 tomdz Exp $ Inner Class :final public static class PathInfo Field Summary final public static  String OJB_CLASS_COLUMN      define the name of the pseudo column holding the class to be instantiated. Method Summary public static  String cleanPath(String aPath)      public static  String getOjbClassName(ResultSet rs)      Returns the name of the class to be instantiated. public static  PathInfo splitPath(String aPath)      Field Detail OJB_CLASS_COLUMN final public static String OJB_CLASS_COLUMN(Code) define the name of the pseudo column holding the class to be instantiated. Method Detail cleanPath public static String cleanPath(String aPath)(Code) remove functions and () from path ie: avg(amount) -> amount ie: sum (accounts.amount) -> accounts.amount ie: count(distinct id) as theCount-> id Parameters:   aPath - the path to the attribute getOjbClassName public static String getOjbClassName(ResultSet rs)(Code) Returns the name of the class to be instantiated. Parameters:   rs - the Resultset null if the column is not available splitPath public static PathInfo splitPath(String aPath)(Code) Split a path into column , prefix and suffix, the prefix contains all info up to the column ie: avg(amount) -> amount , avg( , ) ie: sum (accounts.amount) as theSum -> accounts.amount , sum( , ) as theSum ie: count( distinct id ) as bla -> id , count(distinct , ) as bla Supports simple expressions ie: price * 1.05 TODO: cannot resolve multiple attributes in expression ie: price - bonus Parameters:   aPath - PathInfo 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)