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MutableSortDefinition (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.support
Class MutableSortDefinition

java.lang.Object
  org.springframework.beans.support.MutableSortDefinition

All Implemented Interfaces:

Serializable, SortDefinition

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public class MutableSortDefinition
extends Object
implements SortDefinition, Serializable

Mutable implementation of the SortDefinition interface. Supports toggling the ascending value on setting the same property again.

Since:

26.05.2003

Author:

Juergen Hoeller, Jean-Pierre Pawlak

See Also:

setToggleAscendingOnProperty(boolean), Serialized Form

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Constructor Summary
MutableSortDefinition()           Create an empty MutableSortDefinition, to be populated via its bean properties.
MutableSortDefinition(boolean toggleAscendingOnSameProperty)           Create a new MutableSortDefinition.
MutableSortDefinition(SortDefinition source)           Copy constructor: create a new MutableSortDefinition that mirrors the given sort definition.
MutableSortDefinition(String property, boolean ignoreCase, boolean ascending)           Create a MutableSortDefinition for the given settings.

 

Method Summary
boolean	equals(Object other)
String	getProperty()           Return the name of the bean property to compare.
int	hashCode()
boolean	isAscending()           Return whether to sort ascending (true) or descending (false).
boolean	isIgnoreCase()           Return whether upper and lower case in String values should be ignored.
boolean	isToggleAscendingOnProperty()           Return whether to toggle the ascending flag if the same property gets set again (that is, setProperty(java.lang.String) gets called with already set property name again).
void	setAscending(boolean ascending)           Set whether to sort ascending (true) or descending (false).
void	setIgnoreCase(boolean ignoreCase)           Set whether upper and lower case in String values should be ignored.
void	setProperty(String property)           Set the property to compare.
void	setToggleAscendingOnProperty(boolean toggleAscendingOnProperty)           Set whether to toggle the ascending flag if the same property gets set again (that is, setProperty(java.lang.String) gets called with already set property name again).

 

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

MutableSortDefinition

public MutableSortDefinition()

Create an empty MutableSortDefinition, to be populated via its bean properties.

See Also:

setProperty(java.lang.String), setIgnoreCase(boolean), setAscending(boolean)

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MutableSortDefinition

public MutableSortDefinition(SortDefinition source)

Copy constructor: create a new MutableSortDefinition that mirrors the given sort definition.

Parameters:

source - the original sort definition

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MutableSortDefinition

public MutableSortDefinition(String property,
                             boolean ignoreCase,
                             boolean ascending)

Create a MutableSortDefinition for the given settings.

Parameters:

property - the property to compare

ignoreCase - whether upper and lower case in String values should be ignored

ascending - whether to sort ascending (true) or descending (false)

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MutableSortDefinition

public MutableSortDefinition(boolean toggleAscendingOnSameProperty)

Create a new MutableSortDefinition.

Parameters:

toggleAscendingOnSameProperty - whether to toggle the ascending flag if the same property gets set again (that is, setProperty gets called with already set property name again).

Method Detail

setProperty

public void setProperty(String property)

Set the property to compare.

If the property was the same as the current, the sort is reversed if "toggleAscendingOnProperty" is activated, else simply ignored.

See Also:

setToggleAscendingOnProperty(boolean)

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getProperty

public String getProperty()

Description copied from interface: SortDefinition

Return the name of the bean property to compare. Can also be a nested bean property path.

Specified by:

getProperty in interface SortDefinition

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setIgnoreCase

public void setIgnoreCase(boolean ignoreCase)

Set whether upper and lower case in String values should be ignored.

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isIgnoreCase

public boolean isIgnoreCase()

Description copied from interface: SortDefinition

Return whether upper and lower case in String values should be ignored.

Specified by:

isIgnoreCase in interface SortDefinition

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setAscending

public void setAscending(boolean ascending)

Set whether to sort ascending (true) or descending (false).

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isAscending

public boolean isAscending()

Description copied from interface: SortDefinition

Return whether to sort ascending (true) or descending (false).

Specified by:

isAscending in interface SortDefinition

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setToggleAscendingOnProperty

public void setToggleAscendingOnProperty(boolean toggleAscendingOnProperty)

Set whether to toggle the ascending flag if the same property gets set again (that is, setProperty(java.lang.String) gets called with already set property name again).

This is particularly useful for parameter binding through a web request, where clicking on the field header again might be supposed to trigger a resort for the same field but opposite order.

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isToggleAscendingOnProperty

public boolean isToggleAscendingOnProperty()

Return whether to toggle the ascending flag if the same property gets set again (that is, setProperty(java.lang.String) gets called with already set property name again).

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equals

public boolean equals(Object other)

Overrides:

equals in class Object

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hashCode

public int hashCode()

Overrides:

hashCode in class Object

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