org.datanucleus.store.rdbms.query
Class StatementParameterMapping

java.lang.Object
  org.datanucleus.store.rdbms.query.StatementParameterMapping

public class StatementParameterMapping
extends Object

Definition of the mapping of parameters in a datastore statement. A typical use is for RDBMS where we have a JDBC statement and each parameter is looked up via its name. The mapping information for the parameter provides the mapping and the parameter positions to use.

Constructor Summary

StatementParameterMapping()

Method Summary

void	addMappingForParameter(String name, org.datanucleus.store.mapped.StatementMappingIndex mapping)
org.datanucleus.store.mapped.StatementMappingIndex	getMappingForParameter(String name) Accessor for the mapping information for the parameter with the specified name.
org.datanucleus.store.mapped.StatementMappingIndex	getMappingForParameterPosition(int pos) Convenience method to return the mapping for the parameter that is at the specified position.
String[]	getParameterNames()
boolean	isEmpty()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StatementParameterMapping

public StatementParameterMapping()

Method Detail

getMappingForParameter

public org.datanucleus.store.mapped.StatementMappingIndex getMappingForParameter(String name)

Accessor for the mapping information for the parameter with the specified name.

Parameters:

name - Parameter name

Returns:

The mapping information

getMappingForParameterPosition

public org.datanucleus.store.mapped.StatementMappingIndex getMappingForParameterPosition(int pos)

Convenience method to return the mapping for the parameter that is at the specified position. The position should use the same origin as the parameter positions here.

Parameters:

pos - The position

Returns:

The mapping (if any)

addMappingForParameter

public void addMappingForParameter(String name,
                                   org.datanucleus.store.mapped.StatementMappingIndex mapping)

getParameterNames

public String[] getParameterNames()

isEmpty

public boolean isEmpty()

toString

public String toString()

Overrides:

toString in class Object