Package org.apache.commons.vfs2
Enum CacheStrategy
- java.lang.Object
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- java.lang.Enum<CacheStrategy>
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- org.apache.commons.vfs2.CacheStrategy
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<CacheStrategy>
public enum CacheStrategy extends java.lang.Enum<CacheStrategy>
An enumerated type to deal with the various cache strategies.
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Enum Constant Summary
Enum Constants Enum Constant Description MANUAL
Deal with cached data manually.ON_CALL
Refresh the data every time you call a method on the fileObject.ON_RESOLVE
Refresh the data every time you request a file fromFileSystemManager.resolveFile(java.lang.String)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getName()
Returns the name of the scope.java.lang.String
toString()
Returns the name of the scope.static CacheStrategy
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static CacheStrategy[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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MANUAL
public static final CacheStrategy MANUAL
Deal with cached data manually. CallFileObject.refresh()
to refresh the object data.
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ON_RESOLVE
public static final CacheStrategy ON_RESOLVE
Refresh the data every time you request a file fromFileSystemManager.resolveFile(java.lang.String)
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ON_CALL
public static final CacheStrategy ON_CALL
Refresh the data every time you call a method on the fileObject. You'll use this only if you really need the latest info as this setting is a major performance loss.
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Method Detail
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values
public static CacheStrategy[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (CacheStrategy c : CacheStrategy.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static CacheStrategy valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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toString
public java.lang.String toString()
Returns the name of the scope.- Overrides:
toString
in classjava.lang.Enum<CacheStrategy>
- Returns:
- the name of the scope.
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getName
public java.lang.String getName()
Returns the name of the scope.- Returns:
- the name of the scope.
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