Package io.higson.runtime.engine.core.index

Class LevelIndex<T>

java.lang.Object

io.higson.runtime.engine.core.index.LevelIndex<T>

Type Parameters:

T - leaf type

public class LevelIndex<T>
extends Object

Parameter index - tree structure for efficient parameter lookup.

Author:

Przemek Hertel

Since:

1.0.0

Version:

1.0.6

Constructor Summary

Constructors

Constructor	Description
LevelIndex(int levelCount)	Create new empty index with default matchers and types.
LevelIndex(int levelCount, Type<? extends ValueHolder>[] types, Matcher... matchers)
LevelIndex(int levelCount, Type<? extends ValueHolder>[] types, Matcher[] matchers, boolean[] reverseMatchers)	Create new empty index with parameter metadata.

Method Summary

Modifier and Type	Method	Description
void	add(String[] levelValues, T leaf)	Add pattern along with returned value to index tree.
List<T>	find(String... levelValues)
List<T>	find(String[]... levelValues)
List<String>	getAllKeys()
Matcher	getMatcher(int depth)
MatchMode	getMatchMode(int depth)
Type<? extends ValueHolder>	getType(int depth)
boolean	isReverseMatcher(int depth)
String	printTree()
void	setMatchModes(MatchMode... modes)
void	setUnion(boolean... union)
void	trim()	Trims all leaf nodes.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LevelIndex

public LevelIndex(int levelCount,
 Type<? extends ValueHolder>[] types,
 Matcher[] matchers,
 boolean[] reverseMatchers)

Create new empty index with parameter metadata.

Parameters:

levelCount - number of input levels (depth)

types - types defined in levels

matchers - used matchers

LevelIndex

public LevelIndex(int levelCount,
 Type<? extends ValueHolder>[] types,
 Matcher... matchers)

LevelIndex

public LevelIndex(int levelCount)

Create new empty index with default matchers and types.

Parameters:

levelCount - depth

Method Details

add

public void add(String[] levelValues,
 T leaf)

Add pattern along with returned value to index tree.

Parameters:

levelValues - table with String values

leaf - leaf value

find

public List<T> find(String[]... levelValues)

find

public List<T> find(String... levelValues)

trim

public void trim()

Trims all leaf nodes.

printTree

public String printTree()

getMatcher

public Matcher getMatcher(int depth)

Parameters:

depth - input level index, 0-based

Returns:

matcher for given level depth.

getType

public Type<? extends ValueHolder> getType(int depth)

Parameters:

depth - input level index, 0-based

Returns:

type for given level depth.

isReverseMatcher

public boolean isReverseMatcher(int depth)

Parameters:

depth - input level index, 0-based

Returns:

reverse-matcher flag for given level depth.

setUnion

public void setUnion(boolean... union)

setMatchModes

public void setMatchModes(MatchMode... modes)

getMatchMode

public MatchMode getMatchMode(int depth)

getAllKeys

public List<String> getAllKeys()