org.apache.lucene.util
Class MapBackedSet<E>
java.lang.Object
java.util.AbstractCollection<E>
java.util.AbstractSet<E>
org.apache.lucene.util.MapBackedSet<E>
- All Implemented Interfaces:
- Serializable, Iterable<E>, Collection<E>, Set<E>
public final class MapBackedSet<E>
- extends AbstractSet<E>
- implements Serializable
A Set implementation that wraps an actual Map based
implementation.
- See Also:
- Serialized Form
- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
MapBackedSet
public MapBackedSet(Map<E,Boolean> map)
- Creates a new instance which wraps the specified
map
.
size
public int size()
- Specified by:
size
in interface Collection<E>
- Specified by:
size
in interface Set<E>
- Specified by:
size
in class AbstractCollection<E>
contains
public boolean contains(Object o)
- Specified by:
contains
in interface Collection<E>
- Specified by:
contains
in interface Set<E>
- Overrides:
contains
in class AbstractCollection<E>
add
public boolean add(E o)
- Specified by:
add
in interface Collection<E>
- Specified by:
add
in interface Set<E>
- Overrides:
add
in class AbstractCollection<E>
remove
public boolean remove(Object o)
- Specified by:
remove
in interface Collection<E>
- Specified by:
remove
in interface Set<E>
- Overrides:
remove
in class AbstractCollection<E>
clear
public void clear()
- Specified by:
clear
in interface Collection<E>
- Specified by:
clear
in interface Set<E>
- Overrides:
clear
in class AbstractCollection<E>
iterator
public Iterator<E> iterator()
- Specified by:
iterator
in interface Iterable<E>
- Specified by:
iterator
in interface Collection<E>
- Specified by:
iterator
in interface Set<E>
- Specified by:
iterator
in class AbstractCollection<E>
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