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public interface TransformationStrategy<T>
A generic transformation from objects of a given type to bit vector. Most useful when adding strings, etc. to a trie.
Method Summary | |
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TransformationStrategy<T> |
copy()
Returns a copy of this transformation strategy. |
long |
length(T object)
Returns the length of the bit vector that would be computed by toBitVector(Object) . |
long |
numBits()
The (approximate) number of bits occupied by this transformation. |
BitVector |
toBitVector(T object)
Returns a bit vector representation of the given object. |
Method Detail |
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BitVector toBitVector(T object)
object
- the object to be turned into a bit-vector representation.
object
.long numBits()
TransformationStrategy<T> copy()
long length(T object)
toBitVector(Object)
.
The raison d'être of this method is that it is often easy to know the length of the representation without actually computing the representation.
object
- the object whose representation length is to be known.
object
(the one that would be returned by toBitVector(Object)
).
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