Package com.google.common.graph
Class ElementOrder<T>
- java.lang.Object
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- com.google.common.graph.ElementOrder<T>
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@Beta public final class ElementOrder<T> extends java.lang.Object
Used to represent the order of elements in a data structure that supports different options for iteration order guarantees.Example usage:
MutableGraph<Integer> graph = GraphBuilder.directed().nodeOrder(ElementOrder.<Integer>natural()).build();
- Since:
- 20.0
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
ElementOrder.Type
The type of ordering that this object specifies.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.util.Comparator<T>
comparator()
Returns theComparator
used.boolean
equals(java.lang.Object obj)
int
hashCode()
static <S> ElementOrder<S>
insertion()
Returns an instance which specifies that insertion ordering is guaranteed.static <S extends java.lang.Comparable<? super S>>
ElementOrder<S>natural()
Returns an instance which specifies that the natural ordering of the elements is guaranteed.static <S> ElementOrder<S>
sorted(java.util.Comparator<S> comparator)
Returns an instance which specifies that the ordering of the elements is guaranteed to be determined bycomparator
.java.lang.String
toString()
ElementOrder.Type
type()
Returns the type of ordering used.static <S> ElementOrder<S>
unordered()
Returns an instance which specifies that no ordering is guaranteed.
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Method Detail
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unordered
public static <S> ElementOrder<S> unordered()
Returns an instance which specifies that no ordering is guaranteed.
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insertion
public static <S> ElementOrder<S> insertion()
Returns an instance which specifies that insertion ordering is guaranteed.
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natural
public static <S extends java.lang.Comparable<? super S>> ElementOrder<S> natural()
Returns an instance which specifies that the natural ordering of the elements is guaranteed.
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sorted
public static <S> ElementOrder<S> sorted(java.util.Comparator<S> comparator)
Returns an instance which specifies that the ordering of the elements is guaranteed to be determined bycomparator
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type
public ElementOrder.Type type()
Returns the type of ordering used.
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comparator
public java.util.Comparator<T> comparator()
Returns theComparator
used.- Throws:
java.lang.UnsupportedOperationException
- if comparator is not defined
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equals
public boolean equals(@Nullable java.lang.Object obj)
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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