Package jnr.constants
Class ConstantSet
- java.lang.Object
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- java.util.AbstractCollection<E>
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- java.util.AbstractSet<Constant>
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- jnr.constants.ConstantSet
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public class ConstantSet extends AbstractSet<Constant>
Provides forward and reverse lookup for platform constants
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
contains(Object o)
Constant
getConstant(long value)
Gets the constant for a value.Constant
getConstant(String name)
Gets the constant for a name.static ConstantSet
getConstantSet(String name)
Gets a ConstantSetString
getName(int value)
Gets the name of a platform constant value.long
getValue(String name)
Gets the integer value of a platform constant.Iterator<Constant>
iterator()
static void
main(String[] args)
long
maxValue()
Returns the maximum value in this ConstantSetlong
minValue()
Returns the minimum value in this ConstantSetint
size()
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Methods inherited from class java.util.AbstractSet
equals, hashCode, removeAll
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Methods inherited from class java.util.AbstractCollection
add, addAll, clear, containsAll, isEmpty, remove, retainAll, toArray, toArray, toString
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArray
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Method Detail
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getConstantSet
public static ConstantSet getConstantSet(String name)
Gets a ConstantSet- Parameters:
name
- The name of the constant set to get.- Returns:
- A ConstantSet.
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getConstant
public final Constant getConstant(String name)
Gets the constant for a name.- Parameters:
name
- The name of the system constant (e.g. "EINVAL").- Returns:
- A
Constant
instance.
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getConstant
public Constant getConstant(long value)
Gets the constant for a value.- Parameters:
value
- A system constant value.- Returns:
- A
Constant
instance.
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getValue
public long getValue(String name)
Gets the integer value of a platform constant.- Parameters:
name
- The name of the platform constant to look up (e.g. "EINVAL").- Returns:
- The integer value of the constant.
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getName
public String getName(int value)
Gets the name of a platform constant value.- Parameters:
value
- The integer value to look up.- Returns:
- The name of the constant.
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minValue
public long minValue()
Returns the minimum value in this ConstantSet- Returns:
- a long value
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maxValue
public long maxValue()
Returns the maximum value in this ConstantSet- Returns:
- a long value
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size
public int size()
- Specified by:
size
in interfaceCollection<Constant>
- Specified by:
size
in interfaceSet<Constant>
- Specified by:
size
in classAbstractCollection<Constant>
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contains
public boolean contains(Object o)
- Specified by:
contains
in interfaceCollection<Constant>
- Specified by:
contains
in interfaceSet<Constant>
- Overrides:
contains
in classAbstractCollection<Constant>
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main
public static void main(String[] args)
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