org.jpox.store.query
Class AbstractIteratorStatement

java.lang.Object
  org.jpox.store.query.AbstractIteratorStatement

Direct Known Subclasses:

DiscriminatorIteratorStatement, UnionIteratorStatement

public abstract class AbstractIteratorStatement
extends java.lang.Object

Abstract representation of a statement that is used for iterating through a list of objects of a class, possibly including subclasses.

Version:

$Revision: 1.10 $

Field Summary

protected java.lang.String	candidateFullClassName full class name for the candidate class
protected DatastoreClass	candidateTable Table where the candidate objects are stored.
protected ClassLoaderResolver	clr ClassLoader resolver.
protected DatastoreAdapter	dba Datastore adapter
protected boolean	includeSubclasses Whether to include iteration through subclasses of the candidate.
protected static Localiser	LOCALISER Localisation or messages.
protected StoreManager	storeMgr Manager for the Store.

Constructor Summary

AbstractIteratorStatement(java.lang.Class type, ClassLoaderResolver clr, boolean subclasses, StoreManager storeMgr)
Constructor.

Method Summary

abstract QueryExpression

getQueryStatement() Accessor for the QueryStatement that will return the objects of the candidate type and its subclasses (if required).

Methods inherited from class java.lang.Object

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

Field Detail

LOCALISER

protected static final Localiser LOCALISER

Localisation or messages.

includeSubclasses

protected final boolean includeSubclasses

Whether to include iteration through subclasses of the candidate.

storeMgr

protected final StoreManager storeMgr

Manager for the Store.

dba

protected final DatastoreAdapter dba

Datastore adapter

candidateFullClassName

protected final java.lang.String candidateFullClassName

full class name for the candidate class

candidateTable

protected DatastoreClass candidateTable

Table where the candidate objects are stored.

clr

protected final ClassLoaderResolver clr

ClassLoader resolver.

Constructor Detail

AbstractIteratorStatement

public AbstractIteratorStatement(java.lang.Class type,
                                 ClassLoaderResolver clr,
                                 boolean subclasses,
                                 StoreManager storeMgr)

Constructor.

Parameters:

type - Class that we are querying for as our base.

clr - ClassLoaderResolver

subclasses - Whether to include subclasses in the iteration.

storeMgr - Manager for the store

Method Detail

getQueryStatement

public abstract QueryExpression getQueryStatement()

Accessor for the QueryStatement that will return the objects of the candidate type and its subclasses (if required).

Returns:

The QueryExpression