接口的使用
com.jn.langx.util.function.Function2

使用Function2的程序包

程序包	说明
com.jn.langx.text
com.jn.langx.text.stringtemplate
com.jn.langx.util	This package contain all most utility classes for java coding
com.jn.langx.util.collection	many collection utility class
com.jn.langx.util.collection.multivalue
com.jn.langx.util.concurrent.completion
com.jn.langx.util.function

com.jn.langx.text中Function2的使用

参数类型为Function2的com.jn.langx.text中的方法

限定符和类型	方法和说明
StringTemplates.TemplateFluenter	StringTemplates.TemplateFluenter.format(Pattern variablePattern, Function2<String,Object[],String> valueGetter, Object... args)
StringTemplates.TemplateFluenter	StringTemplates.TemplateFluenter.format(String variablePattern, Function2<String,Object[],String> valueGetter, Object... args)
static String	StringTemplates.format(String template, Pattern variablePattern, Function2<String,Object[],String> valueGetter, Object... args) custom formatter
static String	StringTemplates.format(String template, String variablePattern, Function2<String,Object[],String> valueGetter, Object... args) custom formatter
static String	StringTemplates.format(String template, String variableStartFlag, String variableEndFlag, Function2<String,Object[],String> valueGetter, Object... args) 模板变量替换

com.jn.langx.text.stringtemplate中Function2的使用

实现Function2的com.jn.langx.text.stringtemplate中的类

限定符和类型	类和说明
static class	StringTemplate.IndexBasedValueGetter

返回Function2的com.jn.langx.text.stringtemplate中的方法

限定符和类型	方法和说明
Function2<String,Object[],String>	CustomPatternStringFormatter.getValueGetter()

参数类型为Function2的com.jn.langx.text.stringtemplate中的方法

限定符和类型	方法和说明
StringTemplateFormatterChain	StringTemplateFormatterChain.addFormatterAndParameters(Pattern pattern, Function2<String,Object[],String> valueGetter, Object... args)
StringTemplateFormatterChain	StringTemplateFormatterChain.addFormatterAndParameters(String variablePattern, Function2<String,Object[],String> valueGetter, Object... args)
void	PlaceholderStringFormatter.setValueGetter(Function2<String,Object[],String> valueGetter)
void	IndexStringFormatter.setValueGetter(Function2<String,Object[],String> valueGetter)
void	CustomPatternStringFormatter.setValueGetter(Function2<String,Object[],String> valueGetter)
StringTemplate	StringTemplate.with(Function2<String,Object[],String> valueGetter) set a value getter

参数类型为Function2的com.jn.langx.text.stringtemplate中的构造器

构造器和说明
CustomPatternStringFormatter(Pattern pattern, Function2<String,Object[],String> valueGetter)
CustomPatternStringFormatter(String pattern, Function2<String,Object[],String> valueGetter)

com.jn.langx.util中Function2的使用

实现Function2的com.jn.langx.util中的类

限定符和类型	类和说明
class	ThrowableFunction2<I1,I2,O> 这是对 Function2的扩展，用于支持当函数执行过程中出现任何错误，都会将异常转换为RuntimeException。

返回Function2的com.jn.langx.util中的方法

限定符和类型	方法和说明
static <X extends RuntimeException> Function2<String,List<Integer>,X>	Preconditions.outOfBoundsExceptionFormatter(Function<String,X> f) Returns an out-of-bounds exception formatter from an given exception factory.

参数类型为Function2的com.jn.langx.util中的方法

限定符和类型	方法和说明
static <X extends RuntimeException> int	Preconditions.checkFromIndexSize(int fromIndex, int size, int length, Function2<String,List<Integer>,X> oobef) Checks if the sub-range from fromIndex (inclusive) to fromIndex + size (exclusive) is within the bounds of range from 0 (inclusive) to length (exclusive).
static <X extends RuntimeException> int	Preconditions.checkFromToIndex(int fromIndex, int toIndex, int length, Function2<String,List<Integer>,X> oobef) Checks if the sub-range from fromIndex (inclusive) to toIndex (exclusive) is within the bounds of range from 0 (inclusive) to length (exclusive).
static <X extends RuntimeException> int	Preconditions.checkIndex(int index, int length, Function2<String,List<Integer>,X> oobef) Checks if the index is within the bounds of the range from 0 (inclusive) to length (exclusive).

com.jn.langx.util.collection中Function2的使用

参数类型为Function2的com.jn.langx.util.collection中的方法

限定符和类型	方法和说明
static <E,C extends Iterable<E>,O> O	Collects.firstMap(C collection, Function2<Integer,E,O> mapper) find the first matched element, null if not found
static <E,C extends Iterable<E>,O> O	Collects.firstMap(C collection, Function2<Integer,E,O> mapper, Predicate<O> breakPredicate) find the first matched element, null if not found
<O> O	Pipeline.firstMap(Function2<Integer,E,O> mapper)
<O> O	Pipeline.firstMap(Function2<Integer,E,O> mapper, Predicate<O> breakPredicate)
static <K,V,O> O	Collects.firstMap(Map<K,V> map, Function2<K,V,O> mapper) find the first matched element, null if not found
static <K,V,O> O	Collects.firstMap(Map<K,V> map, Function2<K,V,O> mapper, Predicate<O> breakPredicate) find the first matched element, null if not found
static <E,K> Collector<E,Map<K,List<E>>>	Collects.groupingBy(Function2<Integer,E,K> classifier, Supplier0<Map<K,List<E>>> mapFactory)
static <K,V,R,M extends Map<K,V>> List<R>	Collects.map(M map, Function2<K,V,R> mapper) mapping aMap to a list
static <E,K> List<List<E>>	Collects.partitionBy(E[] c, Function2<Integer,E,K> classifier)
<K> Pipeline<List<E>>	Pipeline.partitionBy(Function2<Integer,E,K> classifier)
static <E,K> List<List<E>>	Collects.partitionBy(Iterable<E> c, Function2<Integer,E,K> classifier)
static <E,K> List<List<E>>	Collects.partitionBy(Iterator<E> c, Function2<Integer,E,K> classifier)
static <E,K> Collector<E,Map<K,List<E>>>	Collects.partitioningBy(Function2<Integer,E,K> classifier)

com.jn.langx.util.collection.multivalue中Function2的使用

参数类型为Function2的com.jn.langx.util.collection.multivalue中的方法

限定符和类型	方法和说明
static <K1,V1,K2,V2> MultiValueMap<K2,V2>	MultiValueMaps.toMultiValueMap(Map<K1,V1> map, Function2<K1,V1,K2> keyMapper, Function2<K1,V1,V2> valueMapper)
static <K1,V1,K2,V2> MultiValueMap<K2,V2>	MultiValueMaps.toMultiValueMap(Map<K1,V1> map, Function2<K1,V1,K2> keyMapper, Function2<K1,V1,V2> valueMapper)
static <K1,V1,C extends Iterable<V1>,K2,V2> MultiValueMap<K2,V2>	MultiValueMaps.toMultiValueMap2(Map<K1,C> map, Function2<K1,V1,K2> keyMapper, Function2<K1,V1,V2> valueMapper) 将 数组 Iterable中的每一个元素取出来，放到一个 MultiValueMap 中。
static <K1,V1,C extends Iterable<V1>,K2,V2> MultiValueMap<K2,V2>	MultiValueMaps.toMultiValueMap2(Map<K1,C> map, Function2<K1,V1,K2> keyMapper, Function2<K1,V1,V2> valueMapper) 将 数组 Iterable中的每一个元素取出来，放到一个 MultiValueMap 中。
static <K1,V1,K2,V2> MultiValueMap<K2,V2>	MultiValueMaps.toMultiValueMap3(Map<K1,V1[]> map, Function2<K1,V1,K2> keyMapper, Function2<K1,V1,V2> valueMapper) 将 数组 V[]中的每一个元素取出来，放到一个 MultiValueMap 中。
static <K1,V1,K2,V2> MultiValueMap<K2,V2>	MultiValueMaps.toMultiValueMap3(Map<K1,V1[]> map, Function2<K1,V1,K2> keyMapper, Function2<K1,V1,V2> valueMapper) 将 数组 V[]中的每一个元素取出来，放到一个 MultiValueMap 中。

com.jn.langx.util.concurrent.completion中Function2的使用

参数类型为Function2的com.jn.langx.util.concurrent.completion中的方法

限定符和类型	方法和说明
<U> CompletionStep<U>	CompletionStep.handle(Function2<? super T,Throwable,? extends U> fn) Returns a new CompletionStage that, when this stage completes either normally or exceptionally, is executed with this stage's result and exception as arguments to the supplied function.
<U> CompletableFuture<U>	CompletableFuture.handle(Function2<? super T,Throwable,? extends U> fn)
<U> CompletionStep<U>	CompletionStep.handleAsync(Function2<? super T,Throwable,? extends U> fn) Returns a new CompletionStage that, when this stage completes either normally or exceptionally, is executed using this stage's default asynchronous execution facility, with this stage's result and exception as arguments to the supplied function.
<U> CompletableFuture<U>	CompletableFuture.handleAsync(Function2<? super T,Throwable,? extends U> fn)
<U> CompletionStep<U>	CompletionStep.handleAsync(Function2<? super T,Throwable,? extends U> fn, Executor executor) Returns a new CompletionStage that, when this stage completes either normally or exceptionally, is executed using the supplied executor, with this stage's result and exception as arguments to the supplied function.
<U> CompletableFuture<U>	CompletableFuture.handleAsync(Function2<? super T,Throwable,? extends U> fn, Executor executor)
<U,V> CompletionStep<V>	CompletionStep.thenCombine(CompletionStep<? extends U> other, Function2<? super T,? super U,? extends V> fn) Returns a new CompletionStage that, when this and the other given stage both complete normally, is executed with the two results as arguments to the supplied function.
<U,V> CompletableFuture<V>	CompletableFuture.thenCombine(CompletionStep<? extends U> other, Function2<? super T,? super U,? extends V> fn)
<U,V> CompletionStep<V>	CompletionStep.thenCombineAsync(CompletionStep<? extends U> other, Function2<? super T,? super U,? extends V> fn) Returns a new CompletionStage that, when this and the other given stage both complete normally, is executed using this stage's default asynchronous execution facility, with the two results as arguments to the supplied function.
<U,V> CompletableFuture<V>	CompletableFuture.thenCombineAsync(CompletionStep<? extends U> other, Function2<? super T,? super U,? extends V> fn)
<U,V> CompletionStep<V>	CompletionStep.thenCombineAsync(CompletionStep<? extends U> other, Function2<? super T,? super U,? extends V> fn, Executor executor) Returns a new CompletionStage that, when this and the other given stage both complete normally, is executed using the supplied executor, with the two results as arguments to the supplied function.
<U,V> CompletableFuture<V>	CompletableFuture.thenCombineAsync(CompletionStep<? extends U> other, Function2<? super T,? super U,? extends V> fn, Executor executor)

com.jn.langx.util.function中Function2的使用

com.jn.langx.util.function中Function2的子接口

限定符和类型	接口和说明
interface	Mapper2<I1,I2,O>
interface	Operator2<V>

返回Function2的com.jn.langx.util.function中的方法

限定符和类型	方法和说明
static Function2<Double,Double,Double>	Functions.maxDoubleFunction()
static Function2<Float,Float,Float>	Functions.maxFloatFunction()
static Function2<Integer,Integer,Integer>	Functions.maxIntegerFunction()
static Function2<Long,Long,Long>	Functions.maxLongFunction()
static Function2<Double,Double,Double>	Functions.minDoubleFunction()
static Function2<Float,Float,Float>	Functions.minFloatFunction()
static Function2<Integer,Integer,Integer>	Functions.minIntegerFunction()
static Function2<Long,Long,Long>	Functions.minLongFunction()
static Function2<Double,Double,Double>	Functions.sumDoubleFunction()
static Function2<Float,Float,Float>	Functions.sumFloatFunction()
static Function2<Integer,Integer,Integer>	Functions.sumIntegerFunction()
static Function2<Long,Long,Long>	Functions.sumLongFunction()