Package com.github.zafarkhaja.semver
Class MetadataVersion.NullMetadataVersion
- java.lang.Object
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- com.github.zafarkhaja.semver.MetadataVersion
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- com.github.zafarkhaja.semver.MetadataVersion.NullMetadataVersion
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- All Implemented Interfaces:
java.lang.Comparable<MetadataVersion>
- Enclosing class:
- MetadataVersion
private static class MetadataVersion.NullMetadataVersion extends MetadataVersion
The implementation of the Null Object design pattern.
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Field Summary
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Fields inherited from class com.github.zafarkhaja.semver.MetadataVersion
NULL
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Constructor Summary
Constructors Constructor Description NullMetadataVersion()
Constructs aNullMetadataVersion
instance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
compareTo(MetadataVersion other)
boolean
equals(java.lang.Object other)
int
hashCode()
(package private) MetadataVersion
increment()
Increments the metadata version.java.lang.String
toString()
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Method Detail
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increment
MetadataVersion increment()
Description copied from class:MetadataVersion
Increments the metadata version.- Overrides:
increment
in classMetadataVersion
- Returns:
- a new instance of the
MetadataVersion
class - Throws:
java.lang.NullPointerException
- as Null metadata cannot be incremented
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toString
public java.lang.String toString()
- Overrides:
toString
in classMetadataVersion
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hashCode
public int hashCode()
- Overrides:
hashCode
in classMetadataVersion
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equals
public boolean equals(java.lang.Object other)
- Overrides:
equals
in classMetadataVersion
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compareTo
public int compareTo(MetadataVersion other)
- Specified by:
compareTo
in interfacejava.lang.Comparable<MetadataVersion>
- Overrides:
compareTo
in classMetadataVersion
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