java.lang.Object
- com.atlassian.bamboo.util.BambooMaps

```
public class BambooMaps
extends Object
```

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <K,V> Map<K,V>`	`generateMap(@NotNull Set<K> keys, @NotNull com.google.common.base.Function<K,V> generator)`	Convenience method for generating map out of set of keys, and value generator.
`static <K,V> LinkedHashMap<K,V>`	`mutableLinkedUniqueIndex(Iterable<? extends V> values, com.google.common.base.Function<? super V,? extends K> indexGenerator)`
`static <K,V> Map<K,V>`	`mutableUniqueIndex(Iterable<? extends V> values, com.google.common.base.Function<? super V,? extends K> indexGenerator)`
`static <K,V> Map<K,V>`	`newHashMapFrom(Iterable<? extends V> source, com.google.common.base.Function<V,Pair<K,V>> function)`
`static <K,V> Map<K,V>`	`newLinkedHashMapWithLimitedSize(int maxSize)`
`static <K,V> @NotNull com.google.common.cache.CacheLoader<? super K,io.atlassian.fugue.Option<V>>`	`nullMasquingLoader(com.google.common.cache.CacheLoader<? super K,? extends V> nullReturningLoader)`
`static <K,V> V`	`populateMap(@NotNull Map<K,V> map, V input, @NotNull com.google.common.base.Function<? super V,? extends K> indexGenerator)`	Add entry to the map using `Function` to generate a key
`static <K,V> void`	`prune(@NotNull Map<K,V> map, @NotNull Predicate<Map.Entry<K,V>> predicate)`	Removes entries that match the supplied predicate
`static <K,V> void`	`putAll(Map<K,? super V> map, Iterable<Pair<K,V>> iterable)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

newHashMapFrom

public static <K,V> Map<K,V> newHashMapFrom(Iterable<? extends V> source,
                                                        com.google.common.base.Function<V,Pair<K,V>> function)

newLinkedHashMapWithLimitedSize

public static <K,V> Map<K,V> newLinkedHashMapWithLimitedSize(int maxSize)

putAll

public static <K,V> void putAll(Map<K,? super V> map,
                                      Iterable<Pair<K,V>> iterable)

mutableUniqueIndex

public static <K,V> Map<K,V> mutableUniqueIndex(Iterable<? extends V> values,
                                                            com.google.common.base.Function<? super V,? extends K> indexGenerator)

mutableLinkedUniqueIndex

public static <K,V> LinkedHashMap<K,V> mutableLinkedUniqueIndex(Iterable<? extends V> values,
                                                                            com.google.common.base.Function<? super V,? extends K> indexGenerator)

populateMap

public static <K,V> V populateMap(@NotNull
                                        @NotNull Map<K,V> map,
                                        @NotNull
                                        V input,
                                        @NotNull
                                        @NotNull com.google.common.base.Function<? super V,? extends K> indexGenerator)

Add entry to the map using Function to generate a key

Parameters:: map - map that will get an extra element; input - element to be added to map; indexGenerator - function that will generate key for a given element
Returns:: same behavior as Map.put(Object, Object)

nullMasquingLoader

@NotNull
public static <K,V> @NotNull com.google.common.cache.CacheLoader<? super K,io.atlassian.fugue.Option<V>> nullMasquingLoader(com.google.common.cache.CacheLoader<? super K,? extends V> nullReturningLoader)

generateMap

public static <K,V> Map<K,V> generateMap(@NotNull
                                                     @NotNull Set<K> keys,
                                                     @NotNull
                                                     @NotNull com.google.common.base.Function<K,V> generator)

Convenience method for generating map out of set of keys, and value generator. Should be used for small maps. For more sophisticated uses consider using Guava's CacheBuilder.

prune

public static <K,V> void prune(@NotNull
                                     @NotNull Map<K,V> map,
                                     @NotNull
                                     @NotNull Predicate<Map.Entry<K,V>> predicate)

Removes entries that match the supplied predicate

Class BambooMaps