org.melati.poem

Class CachedCount

java.lang.Object

org.melati.poem.CachedQuery<Integer>

org.melati.poem.CachedCount

Direct Known Subclasses:

CachedExists

public class CachedCount
extends CachedQuery<Integer>

A cached instance of an SQL count query.

Constructor Summary

Constructors

Constructor and Description
CachedCount(Persistent criteria, boolean includeDeleted, boolean excludeUnselectable) Create a count from a Persistent.
CachedCount(Table<?> table, String whereClause) Constructor where whereClause does not involve other tables.
CachedCount(Table<?> table, String whereClause, Table<?>[] otherTables) Constructor.

Method Summary

Modifier and Type	Method and Description
int	count()

Methods inherited from class org.melati.poem.CachedQuery

getTable, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CachedCount

public CachedCount(Table<?> table,
                   String whereClause,
                   Table<?>[] otherTables)

Constructor.

Parameters:

table - the table of which we are a count

whereClause - discriminator, may be null

otherTables - other tables involved in whereClause, if any

CachedCount

public CachedCount(Persistent criteria,
                   boolean includeDeleted,
                   boolean excludeUnselectable)

Create a count from a Persistent.

Parameters:

criteria - the Persistent representing the query

includeDeleted - whether to include records marked as deleted

excludeUnselectable - Whether to append unselectable exclusion SQL

CachedCount

public CachedCount(Table<?> table,
                   String whereClause)

Constructor where whereClause does not involve other tables.

Parameters:

table - the table to count

whereClause - discrimination, can be null

Method Detail

count

public int count()

Returns:

the count itself