kandi X-RAY | patricia-trie Summary
kandi X-RAY | patricia-trie Summary
This is a general purpose implementation of a PATRICIA Trie in Java. It implements the SortedMap interface and integrates well with the Java Collections Framework. You can use any kind of Objects for Keys as long as they can be accessed bit-wise. You can find examples in the wiki and there is a blog post with some additional information about the implementation. The PATRICIA Trie is also known under the names Radix and Crit Bit Tree. Download: Binaries can be found on the project's Google Code Page. NOTE: This implementation has been contributed to Apache Commons Collections and Google Collections Library.
Top functions reviewed by kandi - BETA
- Returns the lowest entry higher than the given key
- Adds an entry to the tree
- Gets the nearest entry for the given key
- Returns the bit index for the given key
- Returns the char at the given index
- Returns the bit index of this key
- Returns the char at the specified index
- Finds the subtree that contains the prefix
- Returns the index of the first bit found in the key
- Returns the lowest key - value associated with the given key or null if no such key exists
- Returns the node before the given node
- Finds the bit in key
- Returns a string representation of the trie
- Returns true if the key exists in the trie
- Finds the bit index for the given key
- Returns the bit index of the key in the key
- Returns the bit index of the given key
- Sets the value associated with the key
- Clears the map
- Removes a value from the trie
- Traverses the trie
- Returns the entry corresponding to the least greater than or equal to the given key
- Gets the key - value associated with the given key
- Returns true if the bit at the specified index is set
patricia-trie Key Features
patricia-trie Examples and Code Snippets
Trending Discussions on patricia-trie
Is there any efficient way (with particular attention to memory), either deterministic or probabilistic with arbitrary error, to determine if i-th element has already appeared or not in a stream of strings (such as the one modelled below)?Stream model
The stream is modelled by the following generator of strings. In this model, the last
M=10000 values are the ones that appear twice. Obviously in the real application it is not known when a duplicate shall show itself.
ANSWERAnswered 2018-Jul-18 at 13:41
Yes, it's called Bloom Filters:
Bloom filters are space-efficient probablistic data structures used to test whether an element is a member of a set.
pybloom-mirror package to modify your code and set the bloom filter to capacity 20000 and error rate 0.01 (according BloomFilter calculator the size of filter is around ~23.4kB). But it can give you false positives.
I upgraded dropwizard to the latest 1.2.4 from 1.0.2. Now I am seeing the below exception in my logs...
ANSWERAnswered 2018-Feb-28 at 19:39
The only way that's possible is if you have mismatched versions of
Run this code (in your project) to figure out where the classes are (it will report all locations, even if they are in multiple locations):
No vulnerabilities reported
You can use patricia-trie like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the patricia-trie component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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