Package org.apache.beam.sdk.io.fs
Enum EmptyMatchTreatment
- java.lang.Object
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- java.lang.Enum<EmptyMatchTreatment>
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- org.apache.beam.sdk.io.fs.EmptyMatchTreatment
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<EmptyMatchTreatment>
public enum EmptyMatchTreatment extends java.lang.Enum<EmptyMatchTreatment>
Options for allowing or disallowing filepatterns that match no resources inFileSystems.match(java.util.List<java.lang.String>)
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Enum Constant Summary
Enum Constants Enum Constant Description ALLOW
Filepatterns matching no resources are allowed.ALLOW_IF_WILDCARD
Filepatterns matching no resources are allowed if the filepattern contains a glob wildcard character, and disallowed otherwise (i.e.DISALLOW
Filepatterns matching no resources are disallowed.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static EmptyMatchTreatment
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static EmptyMatchTreatment[]
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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ALLOW
public static final EmptyMatchTreatment ALLOW
Filepatterns matching no resources are allowed. For such a filepattern,MatchResult.status()
will beMatchResult.Status.OK
andMatchResult.metadata()
will return an empty list.
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DISALLOW
public static final EmptyMatchTreatment DISALLOW
Filepatterns matching no resources are disallowed. For such a filepattern,MatchResult.status()
will beMatchResult.Status.NOT_FOUND
andMatchResult.metadata()
will throw aFileNotFoundException
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ALLOW_IF_WILDCARD
public static final EmptyMatchTreatment ALLOW_IF_WILDCARD
Filepatterns matching no resources are allowed if the filepattern contains a glob wildcard character, and disallowed otherwise (i.e. if the filepattern specifies a single file).
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Method Detail
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values
public static EmptyMatchTreatment[] 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 (EmptyMatchTreatment c : EmptyMatchTreatment.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 EmptyMatchTreatment 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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