Class UnixNumericGroupPrincipal
java.lang.Object
com.sun.security.auth.UnixNumericGroupPrincipal
- All Implemented Interfaces:
- Serializable,- Principal
This class implements the 
Principal interface
 and represents a user's Unix group identification number (GID).
  Principals such as this UnixNumericGroupPrincipal
 may be associated with a particular Subject
 to augment that Subject with an additional
 identity.  Refer to the Subject class for more information
 on how to achieve this.  Authorization decisions can then be based upon
 the Principals associated with a Subject.
- Since:
- 1.4
- See Also:
- 
Constructor SummaryConstructorsConstructorDescriptionUnixNumericGroupPrincipal(long name, boolean primaryGroup) Create aUnixNumericGroupPrincipalusing a long representation of the user's group identification number (GID).UnixNumericGroupPrincipal(String name, boolean primaryGroup) Create aUnixNumericGroupPrincipalusing aStringrepresentation of the user's group identification number (GID).
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Method SummaryModifier and TypeMethodDescriptionbooleanCompares the specified Object with thisUnixNumericGroupPrincipalfor equality.getName()Return the user's group identification number (GID) for thisUnixNumericGroupPrincipal.inthashCode()Return a hash code for thisUnixNumericGroupPrincipal.booleanReturn whether this group identification number (GID) represents the primary group to which this user belongs.longReturn the user's group identification number (GID) for thisUnixNumericGroupPrincipalas a long.toString()Return a string representation of thisUnixNumericGroupPrincipal.
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Constructor Details- 
UnixNumericGroupPrincipalCreate aUnixNumericGroupPrincipalusing aStringrepresentation of the user's group identification number (GID).- Parameters:
- name- the user's group identification number (GID) for this user.
- primaryGroup- true if the specified GID represents the primary group to which this user belongs.
- Throws:
- NullPointerException- if the- nameis- null.
 
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UnixNumericGroupPrincipalpublic UnixNumericGroupPrincipal(long name, boolean primaryGroup) Create aUnixNumericGroupPrincipalusing a long representation of the user's group identification number (GID).- Parameters:
- name- the user's group identification number (GID) for this user represented as a long.
- primaryGroup- true if the specified GID represents the primary group to which this user belongs.
 
 
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Method Details- 
getName
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longValuepublic long longValue()Return the user's group identification number (GID) for thisUnixNumericGroupPrincipalas a long.- Returns:
- the user's group identification number (GID) for this
          UnixNumericGroupPrincipalas a long.
 
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isPrimaryGrouppublic boolean isPrimaryGroup()Return whether this group identification number (GID) represents the primary group to which this user belongs.- Returns:
- true if this group identification number (GID) represents the primary group to which this user belongs, or false otherwise.
 
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toString
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equalsCompares the specified Object with thisUnixNumericGroupPrincipalfor equality. Returns true if the given object is also aUnixNumericGroupPrincipaland the two UnixNumericGroupPrincipals have the same group identification number (GID).
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hashCode
 
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