Java Doc for DbSource.java in  » Web-Framework » helma » helma » objectmodel » db » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » helma » helma.objectmodel.db 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   helma.objectmodel.db.DbSource

DbSource
public class DbSource (Code)
This class describes a releational data source (URL, driver, user and password).


Field Summary
protected  Stringurl
    

Constructor Summary
public  DbSource(String name, ResourceProperties props)
     Creates a new DbSource object.

Method Summary
public  booleanequals(Object obj)
     Indicates whether some other object is "equal to" this one.
public synchronized  ConnectiongetConnection()
     Get a JDBC connection to the db source.
protected  DbMappinggetDbMapping(String tablename)
     Look up a DbMapping instance for the given table name.
public  StringgetDriverName()
    
public  StringgetName()
    
public  inthashCode()
     Returns a hash code value for the object.
public  booleanisH2()
    
public  booleanisMySQL()
    
public  booleanisOracle()
    
public  booleanisPostgreSQL()
    
protected  voidregisterDbMapping(DbMapping dbmap)
     Register a dbmapping by its table name.
public static  voidsetDefaultProps(ResourceProperties props)
    
public synchronized  ResourcePropertiesswitchProperties(ResourceProperties newProps)
     Set the db properties to newProps, and return the old properties.

Field Detail
url
protected String url(Code)




Constructor Detail
DbSource
public DbSource(String name, ResourceProperties props) throws ClassNotFoundException(Code)
Creates a new DbSource object.
Parameters:
  name - the db source name
Parameters:
  props - the properties
throws:
  ClassNotFoundException - if the JDBC driver couldn't be loaded




Method Detail
equals
public boolean equals(Object obj)(Code)
Indicates whether some other object is "equal to" this one.



getConnection
public synchronized Connection getConnection() throws ClassNotFoundException, SQLException(Code)
Get a JDBC connection to the db source. a JDBC connection
throws:
  ClassNotFoundException - if the JDBC driver couldn't be loaded
throws:
  SQLException - if the connection couldn't be created



getDbMapping
protected DbMapping getDbMapping(String tablename)(Code)
Look up a DbMapping instance for the given table name.
Parameters:
  tablename - the table name the matching DbMapping instance



getDriverName
public String getDriverName()(Code)
Return the class name of the JDBC driver the class name of the JDBC driver



getName
public String getName()(Code)
Return the name of the db dource the name of the db dource



hashCode
public int hashCode()(Code)
Returns a hash code value for the object.



isH2
public boolean isH2()(Code)
Check if this DbSource represents a H2 database true if we're using a H2 JDBC driver



isMySQL
public boolean isMySQL()(Code)
Check if this DbSource represents a MySQL database true if we're using a MySQL JDBC driver



isOracle
public boolean isOracle()(Code)
Check if this DbSource represents an Oracle database true if we're using an oracle JDBC driver



isPostgreSQL
public boolean isPostgreSQL()(Code)
Check if this DbSource represents a PostgreSQL database true if we're using a PostgreSQL JDBC driver



registerDbMapping
protected void registerDbMapping(DbMapping dbmap)(Code)
Register a dbmapping by its table name.
Parameters:
  dbmap - the DbMapping instance to register



setDefaultProps
public static void setDefaultProps(ResourceProperties props)(Code)
Set the default (server-wide) properties
Parameters:
  props - server default db.properties



switchProperties
public synchronized ResourceProperties switchProperties(ResourceProperties newProps) throws ClassNotFoundException(Code)
Set the db properties to newProps, and return the old properties.
Parameters:
  newProps - the new properties to use for this db source the old properties
throws:
  ClassNotFoundException - if jdbc driver class couldn't be found



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)

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