Package org.egothor.stemmer
Class MultiTrie2
java.lang.Object
org.egothor.stemmer.Trie
org.egothor.stemmer.MultiTrie
org.egothor.stemmer.MultiTrie2
The MultiTrie is a Trie of Tries.
It stores words and their associated patch commands. The MultiTrie handles patch commands broken into their constituent parts, as a MultiTrie does, but the commands are delimited by the skip command.
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Constructor Summary
ConstructorDescriptionMultiTrie2
(boolean forward) Constructor for the MultiTrie2 objectMultiTrie2
(DataInput is) Constructor for the MultiTrie object. -
Method Summary
Modifier and TypeMethodDescriptionvoid
add
(CharSequence key, CharSequence cmd) Add an element to this structure consisting of the given key and patch command.decompose
(CharSequence cmd) Break the given patch command into its constituent pieces.getFully
(CharSequence key) Return the element that is stored in a cell associated with the given key.Return the element that is stored as last on a path belonging to the given key.Remove empty rows from the given Trie and return the newly reduced Trie.void
store
(DataOutput os) Write this data structure to the given output stream.Methods inherited from class org.egothor.stemmer.Trie
getAll, getCells, getCellsPnt, getCellsVal
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Constructor Details
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MultiTrie2
Constructor for the MultiTrie object.- Parameters:
is
- the input stream- Throws:
IOException
- if an I/O error occurs
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MultiTrie2
public MultiTrie2(boolean forward) Constructor for the MultiTrie2 object- Parameters:
forward
- set totrue
if the elements should be read left to right
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Method Details
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getFully
Return the element that is stored in a cell associated with the given key. -
getLastOnPath
Return the element that is stored as last on a path belonging to the given key.- Overrides:
getLastOnPath
in classMultiTrie
- Parameters:
key
- the key associated with the desired element- Returns:
- the element that is stored as last on a path
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store
Write this data structure to the given output stream.- Overrides:
store
in classMultiTrie
- Parameters:
os
- the output stream- Throws:
IOException
- if an I/O error occurs
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add
Add an element to this structure consisting of the given key and patch command.This method will return without executing if the
cmd
parameter's length is 0. -
decompose
Break the given patch command into its constituent pieces. The pieces are delimited by NOOP commands.- Parameters:
cmd
- the patch command- Returns:
- an array containing the pieces of the command
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reduce
Remove empty rows from the given Trie and return the newly reduced Trie.
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