Package elki.database.ids.integer
Class UnmodifiableIntegerArrayDBIDs
- java.lang.Object
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- elki.database.ids.integer.UnmodifiableIntegerArrayDBIDs
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- All Implemented Interfaces:
ArrayDBIDs
,ArrayStaticDBIDs
,DBIDs
,IntegerArrayDBIDs
,IntegerArrayStaticDBIDs
,IntegerDBIDs
,StaticDBIDs
public class UnmodifiableIntegerArrayDBIDs extends java.lang.Object implements IntegerArrayStaticDBIDs
Unmodifiable wrapper for DBIDs.- Since:
- 0.5.0
- Author:
- Erich Schubert
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
UnmodifiableIntegerArrayDBIDs.Itr
Make an existing DBIDMIter unmodifiable.
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Field Summary
Fields Modifier and Type Field Description private IntegerArrayDBIDs
inner
The DBIDs we wrap.
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Constructor Summary
Constructors Constructor Description UnmodifiableIntegerArrayDBIDs(IntegerArrayDBIDs inner)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description DBIDVar
assignVar(int index, DBIDVar var)
Assign a DBID variable the value of positionindex
.int
binarySearch(DBIDRef key)
Search for the position of the given key, assuming that the data set is sorted.boolean
contains(DBIDRef o)
Test whether an ID is contained.DBID
get(int i)
Deprecated.boolean
isEmpty()
Test for an empty DBID collection.IntegerDBIDArrayIter
iter()
Iterableint
size()
Size of the DBID "collection".IntegerArrayDBIDs
slice(int begin, int end)
Slice a subarray (as view, not copy!)java.lang.String
toString()
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Field Detail
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inner
private final IntegerArrayDBIDs inner
The DBIDs we wrap.
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Constructor Detail
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UnmodifiableIntegerArrayDBIDs
public UnmodifiableIntegerArrayDBIDs(IntegerArrayDBIDs inner)
Constructor.- Parameters:
inner
- Inner DBID collection.
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Method Detail
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contains
public boolean contains(DBIDRef o)
Description copied from interface:DBIDs
Test whether an ID is contained.
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isEmpty
public boolean isEmpty()
Description copied from interface:DBIDs
Test for an empty DBID collection.
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iter
public IntegerDBIDArrayIter iter()
Description copied from interface:ArrayDBIDs
Iterable- Specified by:
iter
in interfaceArrayDBIDs
- Specified by:
iter
in interfaceDBIDs
- Specified by:
iter
in interfaceIntegerArrayDBIDs
- Specified by:
iter
in interfaceIntegerArrayStaticDBIDs
- Specified by:
iter
in interfaceIntegerDBIDs
- Returns:
- Iterator
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size
public int size()
Description copied from interface:ArrayDBIDs
Size of the DBID "collection".- Specified by:
size
in interfaceArrayDBIDs
- Specified by:
size
in interfaceDBIDs
- Returns:
- size
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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get
@Deprecated public DBID get(int i)
Deprecated.Description copied from interface:ArrayDBIDs
Get the i'th entry (starting at 0)If possible, use an
DBIDArrayIter
viaArrayDBIDs.iter()
instead, or anDBIDVar
viaArrayDBIDs.assignVar(int, elki.database.ids.DBIDVar)
- Specified by:
get
in interfaceArrayDBIDs
- Parameters:
i
- Index- Returns:
- DBID of i'th entry.
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assignVar
public DBIDVar assignVar(int index, DBIDVar var)
Description copied from interface:ArrayDBIDs
Assign a DBID variable the value of positionindex
.- Specified by:
assignVar
in interfaceArrayDBIDs
- Parameters:
index
- Positionvar
- Variable to assign the value to.
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binarySearch
public int binarySearch(DBIDRef key)
Description copied from interface:ArrayDBIDs
Search for the position of the given key, assuming that the data set is sorted. For unsorted arrays, the result is undefined.For keys not found,
-(1+insertion position)
is returned, as for JavaCollections.binarySearch(java.util.List<? extends java.lang.Comparable<? super T>>, T)
- Specified by:
binarySearch
in interfaceArrayDBIDs
- Parameters:
key
- Key to search for- Returns:
- Offset of key
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slice
public IntegerArrayDBIDs slice(int begin, int end)
Description copied from interface:ArrayDBIDs
Slice a subarray (as view, not copy!)- Specified by:
slice
in interfaceArrayDBIDs
- Specified by:
slice
in interfaceIntegerArrayDBIDs
- Parameters:
begin
- Begin (inclusive)end
- End (exclusive)- Returns:
- Array slice.
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