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AbstractScrollableResults (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.impl
Class AbstractScrollableResults

java.lang.Object
  org.hibernate.impl.AbstractScrollableResults

All Implemented Interfaces:

ScrollableResults

Direct Known Subclasses:

FetchingScrollableResultsImpl, ScrollableResultsImpl

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public abstract class AbstractScrollableResults

extends Object

implements ScrollableResults

Implementation of the ScrollableResults interface

Author:

Steve Ebersole

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Constructor Summary

AbstractScrollableResults(ResultSet rs, PreparedStatement ps, SessionImplementor sess, Loader loader, QueryParameters queryParameters, Type[] types, HolderInstantiator holderInstantiator)

 

Method Summary
protected  void	afterScrollOperation()
void	close()           Release resources immediately.
Object[]	get()           Get the current row of results
Object	get(int col)           Get the ith object in the current row of results, without initializing any other results in the row.
BigDecimal	getBigDecimal(int col)           Convenience method to read a big_decimal
BigInteger	getBigInteger(int col)           Convenience method to read a big_integer
byte[]	getBinary(int col)           Convenience method to read a binary
Blob	getBlob(int col)           Convenience method to read a blob
Boolean	getBoolean(int col)           Convenience method to read a boolean
Byte	getByte(int col)           Convenience method to read a byte
Calendar	getCalendar(int col)           Convenience method to read a calendar or calendar_date
Character	getCharacter(int col)           Convenience method to read a character
Clob	getClob(int col)           Convenience method to read a clob
protected abstract  Object[]	getCurrentRow()
Date	getDate(int col)           Convenience method to read a date, time or timestamp
Double	getDouble(int col)           Convenience method to read a double
protected  Object	getFinal(int col, Type returnType)           Check that the requested type is compatible with the result type, and return the column value.
Float	getFloat(int col)           Convenience method to read a float
protected  HolderInstantiator	getHolderInstantiator()
Integer	getInteger(int col)           Convenience method to read an integer
protected  Loader	getLoader()
Locale	getLocale(int col)           Convenience method to read a locale
Long	getLong(int col)           Convenience method to read a long
protected  Object	getNonFinal(int col, Type returnType)           Check that the requested type is compatible with the result type, and return the column value.
protected  PreparedStatement	getPs()
protected  QueryParameters	getQueryParameters()
protected  ResultSet	getResultSet()
protected  SessionImplementor	getSession()
Short	getShort(int col)           Convenience method to read a short
String	getString(int col)           Convenience method to read a string
String	getText(int col)           Convenience method to read text
TimeZone	getTimeZone(int col)           Convenience method to read a timezone
Type	getType(int i)           Get the type of the ith column of results
protected  Type[]	getTypes()

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.hibernate.ScrollableResults

afterLast, beforeFirst, first, getRowNumber, isFirst, isLast, last, next, previous, scroll, setRowNumber

 

Constructor Detail

AbstractScrollableResults

public AbstractScrollableResults(ResultSet rs,
                                 PreparedStatement ps,
                                 SessionImplementor sess,
                                 Loader loader,
                                 QueryParameters queryParameters,
                                 Type[] types,
                                 HolderInstantiator holderInstantiator)
                          throws MappingException

Method Detail

getCurrentRow

protected abstract Object[] getCurrentRow()

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getResultSet

protected ResultSet getResultSet()

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getPs

protected PreparedStatement getPs()

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getSession

protected SessionImplementor getSession()

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getLoader

protected Loader getLoader()

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getQueryParameters

protected QueryParameters getQueryParameters()

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getTypes

protected Type[] getTypes()

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getHolderInstantiator

protected HolderInstantiator getHolderInstantiator()

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close

public final void close()
                 throws HibernateException

Description copied from interface: ScrollableResults

Release resources immediately.

Specified by:

close in interface ScrollableResults

Throws:

HibernateException

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get

public final Object[] get()
                   throws HibernateException

Description copied from interface: ScrollableResults

Get the current row of results

Specified by:

get in interface ScrollableResults

Returns:

an object or array

Throws:

HibernateException

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get

public final Object get(int col)
                 throws HibernateException

Description copied from interface: ScrollableResults

Get the ith object in the current row of results, without initializing any other results in the row. This method may be used safely, regardless of the type of the column (ie. even for scalar results).

Specified by:

get in interface ScrollableResults

Parameters:

col - the column, numbered from zero

Returns:

an object of any Hibernate type or null

Throws:

HibernateException

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getFinal

protected final Object getFinal(int col,
                                Type returnType)
                         throws HibernateException

Check that the requested type is compatible with the result type, and return the column value. This version makes sure the the classes are identical.

Parameters:

col - the column

returnType - a "final" type

Throws:

HibernateException

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getNonFinal

protected final Object getNonFinal(int col,
                                   Type returnType)
                            throws HibernateException

Check that the requested type is compatible with the result type, and return the column value. This version makes sure the the classes are "assignable".

Parameters:

col - the column

returnType - any type

Throws:

HibernateException

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getBigDecimal

public final BigDecimal getBigDecimal(int col)
                               throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a big_decimal

Specified by:

getBigDecimal in interface ScrollableResults

Throws:

HibernateException

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getBigInteger

public final BigInteger getBigInteger(int col)
                               throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a big_integer

Specified by:

getBigInteger in interface ScrollableResults

Throws:

HibernateException

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getBinary

public final byte[] getBinary(int col)
                       throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a binary

Specified by:

getBinary in interface ScrollableResults

Throws:

HibernateException

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getText

public final String getText(int col)
                     throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read text

Specified by:

getText in interface ScrollableResults

Throws:

HibernateException

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getBlob

public final Blob getBlob(int col)
                   throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a blob

Specified by:

getBlob in interface ScrollableResults

Throws:

HibernateException

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getClob

public final Clob getClob(int col)
                   throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a clob

Specified by:

getClob in interface ScrollableResults

Throws:

HibernateException

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getBoolean

public final Boolean getBoolean(int col)
                         throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a boolean

Specified by:

getBoolean in interface ScrollableResults

Throws:

HibernateException

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getByte

public final Byte getByte(int col)
                   throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a byte

Specified by:

getByte in interface ScrollableResults

Throws:

HibernateException

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getCharacter

public final Character getCharacter(int col)
                             throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a character

Specified by:

getCharacter in interface ScrollableResults

Throws:

HibernateException

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getDate

public final Date getDate(int col)
                   throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a date, time or timestamp

Specified by:

getDate in interface ScrollableResults

Throws:

HibernateException

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getCalendar

public final Calendar getCalendar(int col)
                           throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a calendar or calendar_date

Specified by:

getCalendar in interface ScrollableResults

Throws:

HibernateException

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getDouble

public final Double getDouble(int col)
                       throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a double

Specified by:

getDouble in interface ScrollableResults

Throws:

HibernateException

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getFloat

public final Float getFloat(int col)
                     throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a float

Specified by:

getFloat in interface ScrollableResults

Throws:

HibernateException

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getInteger

public final Integer getInteger(int col)
                         throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read an integer

Specified by:

getInteger in interface ScrollableResults

Throws:

HibernateException

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getLong

public final Long getLong(int col)
                   throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a long

Specified by:

getLong in interface ScrollableResults

Throws:

HibernateException

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getShort

public final Short getShort(int col)
                     throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a short

Specified by:

getShort in interface ScrollableResults

Throws:

HibernateException

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getString

public final String getString(int col)
                       throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a string

Specified by:

getString in interface ScrollableResults

Throws:

HibernateException

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getLocale

public final Locale getLocale(int col)
                       throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a locale

Specified by:

getLocale in interface ScrollableResults

Throws:

HibernateException

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getTimeZone

public final TimeZone getTimeZone(int col)
                           throws HibernateException

Description copied from interface: ScrollableResults

Convenience method to read a timezone

Specified by:

getTimeZone in interface ScrollableResults

Throws:

HibernateException

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getType

public final Type getType(int i)

Description copied from interface: ScrollableResults

Get the type of the ith column of results

Specified by:

getType in interface ScrollableResults

Parameters:

i - the column, numbered from zero

Returns:

the Hibernate type

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afterScrollOperation

protected void afterScrollOperation()

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