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java.lang.Objectcom.google.common.collect.Constraints
@Beta @GwtCompatible public final class Constraints
Factories and utilities pertaining to the Constraint interface.
MapConstraints| Method Summary | ||
|---|---|---|
static
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constrainedCollection(Collection<E> collection,
Constraint<? super E> constraint)
Returns a constrained view of the specified collection, using the specified constraint. |
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static
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constrainedList(List<E> list,
Constraint<? super E> constraint)
Returns a constrained view of the specified list, using the specified constraint. |
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static
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constrainedMultiset(Multiset<E> multiset,
Constraint<? super E> constraint)
Returns a constrained view of the specified multiset, using the specified constraint. |
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static
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constrainedSet(Set<E> set,
Constraint<? super E> constraint)
Returns a constrained view of the specified set, using the specified constraint. |
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static
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constrainedSortedSet(SortedSet<E> sortedSet,
Constraint<? super E> constraint)
Returns a constrained view of the specified sorted set, using the specified constraint. |
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static
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notNull()
Returns a constraint that verifies that the element is not null. |
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| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
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public static <E> Constraint<E> notNull()
NullPointerException is thrown.
public static <E> Collection<E> constrainedCollection(Collection<E> collection,
Constraint<? super E> constraint)
The returned collection is not serializable.
collection - the collection to constrainconstraint - the constraint that validates added elements
public static <E> Set<E> constrainedSet(Set<E> set,
Constraint<? super E> constraint)
The returned set is not serializable.
set - the set to constrainconstraint - the constraint that validates added elements
public static <E> SortedSet<E> constrainedSortedSet(SortedSet<E> sortedSet,
Constraint<? super E> constraint)
The returned set is not serializable.
sortedSet - the sorted set to constrainconstraint - the constraint that validates added elements
public static <E> List<E> constrainedList(List<E> list,
Constraint<? super E> constraint)
If list implements RandomAccess, so will the returned
list. The returned list is not serializable.
list - the list to constrainconstraint - the constraint that validates added elements
public static <E> Multiset<E> constrainedMultiset(Multiset<E> multiset,
Constraint<? super E> constraint)
The returned multiset is not serializable.
multiset - the multiset to constrainconstraint - the constraint that validates added elements
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