Package io.github.pellse.util.query

Class QueryUtils

java.lang.Object

io.github.pellse.util.query.QueryUtils

public final class QueryUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method	Description
static <T,ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,T>	query(IDC ids, CheckedFunction1<IDC,D,EX> queryFunction, java.util.function.Function<ID,T> defaultResultProvider, java.util.stream.Collector<R,?,java.util.Map<ID,T>> mapCollectorFactory)
static <ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,D>	queryOneToMany(IDC ids, CheckedFunction1<IDC,D,EX> queryFunction, java.util.function.Function<R,ID> idExtractorFromQueryResults, java.util.function.Supplier<D> collectionFactory)
static <ID,R,IDC extends java.util.Collection<ID>,EX extends java.lang.Throwable> java.util.Map<ID,java.util.List<R>>	queryOneToManyAsList(IDC ids, CheckedFunction1<IDC,java.util.List<R>,EX> queryFunction, java.util.function.Function<R,ID> idExtractorFromQueryResults)
static <ID,R,IDC extends java.util.Collection<ID>,EX extends java.lang.Throwable> java.util.Map<ID,java.util.Set<R>>	queryOneToManyAsSet(IDC ids, CheckedFunction1<IDC,java.util.Set<R>,EX> queryFunction, java.util.function.Function<R,ID> idExtractorFromQueryResults)
static <ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,R>	queryOneToOne(IDC ids, CheckedFunction1<IDC,D,EX> queryFunction, java.util.function.Function<R,ID> idExtractorFromQueryResults)
static <ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,R>	queryOneToOne(IDC ids, CheckedFunction1<IDC,D,EX> queryFunction, java.util.function.Function<R,ID> idExtractorFromQueryResults, java.util.function.Function<ID,R> defaultResultProvider)
static <T,R,C extends java.util.Collection<? extends T>,D extends java.util.Collection<? extends R>,EX extends java.lang.Throwable> java.util.stream.Stream<? extends R>	safeApply(C coll, CheckedFunction1<C,D,EX> queryFunction)

Methods inherited from class java.lang.Object

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

Method Detail

queryOneToOne

public static <ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,R> queryOneToOne(IDC ids,
                                                                                                                                                             CheckedFunction1<IDC,D,EX> queryFunction,
                                                                                                                                                             java.util.function.Function<R,ID> idExtractorFromQueryResults)
                                                                                                                                                      throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable

queryOneToOne

public static <ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,R> queryOneToOne(IDC ids,
                                                                                                                                                             CheckedFunction1<IDC,D,EX> queryFunction,
                                                                                                                                                             java.util.function.Function<R,ID> idExtractorFromQueryResults,
                                                                                                                                                             java.util.function.Function<ID,R> defaultResultProvider)
                                                                                                                                                      throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable

queryOneToManyAsList

public static <ID,R,IDC extends java.util.Collection<ID>,EX extends java.lang.Throwable> java.util.Map<ID,java.util.List<R>> queryOneToManyAsList(IDC ids,
                                                                                                                                                  CheckedFunction1<IDC,java.util.List<R>,EX> queryFunction,
                                                                                                                                                  java.util.function.Function<R,ID> idExtractorFromQueryResults)
                                                                                                                                           throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable

queryOneToManyAsSet

public static <ID,R,IDC extends java.util.Collection<ID>,EX extends java.lang.Throwable> java.util.Map<ID,java.util.Set<R>> queryOneToManyAsSet(IDC ids,
                                                                                                                                                CheckedFunction1<IDC,java.util.Set<R>,EX> queryFunction,
                                                                                                                                                java.util.function.Function<R,ID> idExtractorFromQueryResults)
                                                                                                                                         throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable

queryOneToMany

public static <ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,D> queryOneToMany(IDC ids,
                                                                                                                                                              CheckedFunction1<IDC,D,EX> queryFunction,
                                                                                                                                                              java.util.function.Function<R,ID> idExtractorFromQueryResults,
                                                                                                                                                              java.util.function.Supplier<D> collectionFactory)
                                                                                                                                                       throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable

query

public static <T,ID,R,IDC extends java.util.Collection<ID>,D extends java.util.Collection<R>,EX extends java.lang.Throwable> java.util.Map<ID,T> query(IDC ids,
                                                                                                                                                       CheckedFunction1<IDC,D,EX> queryFunction,
                                                                                                                                                       java.util.function.Function<ID,T> defaultResultProvider,
                                                                                                                                                       java.util.stream.Collector<R,?,java.util.Map<ID,T>> mapCollectorFactory)
                                                                                                                                                throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable

safeApply

public static <T,R,C extends java.util.Collection<? extends T>,D extends java.util.Collection<? extends R>,EX extends java.lang.Throwable> java.util.stream.Stream<? extends R> safeApply(C coll,
                                                                                                                                                                                          CheckedFunction1<C,D,EX> queryFunction)
                                                                                                                                                                                   throws EX extends java.lang.Throwable

Throws:

EX extends java.lang.Throwable