Package hydra.tools

Class MapperBase

java.lang.Object

hydra.tools.MapperBase

Direct Known Subclasses:

AntlrReaderBase, FromCypher

public abstract class MapperBase
extends java.lang.Object

A base class for simple functional mappers with exceptions (specific to Java)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MapperBase.MapperException

Constructor Summary

Constructors

Constructor	Description
MapperBase()

Method Summary

Modifier and Type	Method	Description
protected static <T> T	invalid(java.lang.String message)
protected static <T> T	invalidEmptyList()
protected static <T> T	invalidMissingField()
protected static <T> T	invalidUnexpectedNull()
protected static <C1,C2,T> java.util.List<T>	list(C1 c1, java.util.function.Function<C1,java.util.List<C2>> accessor, java.util.function.Function<C2,T> constructor)
protected static <A,B> java.util.List<B>	map(java.util.List<A> list, java.util.function.Function<A,B> f)
protected static <C0,P0,C,P> java.util.function.Function<P0,Opt<P>>	matchCase(java.util.function.Function<P0,C0> getter, java.util.function.Function<C0,C> childConstructor, java.util.function.Function<C,P> parentConstructor)
protected static <C0,P0,P> java.util.function.Function<P0,Opt<P>>	matchCase(java.util.function.Function<P0,C0> getter, P parent)
protected static <C1,C2,T> java.util.List<T>	nonemptyList(C1 c1, java.util.function.Function<C1,java.util.List<C2>> accessor, java.util.function.Function<C2,T> constructor)
protected static <T,C> C	oneOrMany(java.util.List<T> list, java.util.function.Function<T,C> one, java.util.function.Function<java.util.List<T>,C> many)
protected static <C1,C2,T> Opt<T>	optional(C1 c1, int index, java.util.function.Function<C1,java.util.List<C2>> accessor, java.util.function.Function<C2,T> constructor)
protected static <C1,C2,T> Opt<T>	optional(C1 c1, java.util.function.Function<C1,C2> accessor, java.util.function.Function<C2,T> constructor)
protected static <C1,C2,T> T	required(C1 c1, int index, java.util.function.Function<C1,java.util.List<C2>> accessor, java.util.function.Function<C2,T> constructor)
protected static <C1,C2,T> T	required(C1 c1, java.util.function.Function<C1,C2> accessor, java.util.function.Function<C2,T> constructor)
protected static <T> T	unsupported()
protected static <T> T	unsupported(java.lang.String message)

Methods inherited from class java.lang.Object

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

Constructor Detail

MapperBase

public MapperBase()

Method Detail

oneOrMany

protected static <T,C> C oneOrMany(java.util.List<T> list,
                                         java.util.function.Function<T,C> one,
                                         java.util.function.Function<java.util.List<T>,C> many)

invalid

protected static <T> T invalid(java.lang.String message)

invalidEmptyList

protected static <T> T invalidEmptyList()

invalidMissingField

protected static <T> T invalidMissingField()

invalidUnexpectedNull

protected static <T> T invalidUnexpectedNull()

optional

protected static <C1,C2,T> Opt<T> optional(C1 c1,
                                                       java.util.function.Function<C1,C2> accessor,
                                                       java.util.function.Function<C2,T> constructor)

optional

protected static <C1,C2,T> Opt<T> optional(C1 c1,
                                                       int index,
                                                       java.util.function.Function<C1,java.util.List<C2>> accessor,
                                                       java.util.function.Function<C2,T> constructor)

required

protected static <C1,C2,T> T required(C1 c1,
                                                  java.util.function.Function<C1,C2> accessor,
                                                  java.util.function.Function<C2,T> constructor)

required

protected static <C1,C2,T> T required(C1 c1,
                                                  int index,
                                                  java.util.function.Function<C1,java.util.List<C2>> accessor,
                                                  java.util.function.Function<C2,T> constructor)

list

protected static <C1,C2,T> java.util.List<T> list(C1 c1,
                                                              java.util.function.Function<C1,java.util.List<C2>> accessor,
                                                              java.util.function.Function<C2,T> constructor)

map

protected static <A,B> java.util.List<B> map(java.util.List<A> list,
                                                   java.util.function.Function<A,B> f)

nonemptyList

protected static <C1,C2,T> java.util.List<T> nonemptyList(C1 c1,
                                                                      java.util.function.Function<C1,java.util.List<C2>> accessor,
                                                                      java.util.function.Function<C2,T> constructor)

matchCase

protected static <C0,P0,C,P> java.util.function.Function<P0,Opt<P>> matchCase(java.util.function.Function<P0,C0> getter,
                                                                                                      java.util.function.Function<C0,C> childConstructor,
                                                                                                      java.util.function.Function<C,P> parentConstructor)

matchCase

protected static <C0,P0,P> java.util.function.Function<P0,Opt<P>> matchCase(java.util.function.Function<P0,C0> getter,
                                                                                              P parent)

unsupported

protected static <T> T unsupported()

unsupported

protected static <T> T unsupported(java.lang.String message)