Package org.jdbi.v3.core.collector

Class BuiltInCollectorFactory

java.lang.Object

org.jdbi.v3.core.collector.BuiltInCollectorFactory

All Implemented Interfaces:

CollectorFactory

@Deprecated
public class BuiltInCollectorFactory
extends java.lang.Object
implements CollectorFactory

Deprecated.

will be replaced by plugin

Provides Collectors for built in JDK container types.

Supported container types:

• java.util.Optional<T> (throws an exception if more than one row in result)
• java.util.Collection<T>
• java.util.List<T>
• java.util.ArrayList<T>
• java.util.LinkedList<T>
• java.util.concurrent.CopyOnWriteArrayList<T>
• java.util.Set<T>
• java.util.HashSet<T>
• java.util.LinkedHashSet<T>
• java.util.SortedSet<T>
• java.util.TreeSet<T>

Supported Map types - for rows mapped to Map.Entry<K, V>

• java.util.Map<K, V>
• java.util.HashMap<K, V>
• java.util.LinkedHashMap<K, V>
• java.util.SortedMap<K, V>
• java.util.TreeMap<K, V>
• java.util.concurrent.ConcurrentMap<K, V>
• java.util.concurrent.ConcurrentHashMap<K, V>
• java.util.WeakHashMap<K, V>

Field Summary

Fields

Modifier and Type	Field	Description
private static java.util.List<CollectorFactory>	FACTORIES	Deprecated.

Constructor Summary

Constructors

Constructor	Description
BuiltInCollectorFactory()	Deprecated.

Method Summary

Modifier and Type	Method	Description
boolean	accepts(java.lang.reflect.Type containerType)	Deprecated. Accept a Type as a collector.
java.util.stream.Collector<?,?,?>	build(java.lang.reflect.Type containerType)	Deprecated. Creates a collector for a given container type.
private static <K,V,M extends java.util.Map<K,V>> M	combine(M a, M b)	Deprecated.
java.util.Optional<java.lang.reflect.Type>	elementType(java.lang.reflect.Type containerType)	Deprecated. Returns the element type for a given container type.
private static <K,V,M extends java.util.Map<K,V>> void	putEntry(M map, java.util.Map.Entry<K,V> entry)	Deprecated.
private static <K,V,M extends java.util.Map<K,V>> void	putEntry(M map, K key, V value)	Deprecated.
static <K,V,M extends java.util.Map<K,V>> java.util.stream.Collector<java.util.Map.Entry<K,V>,?,M>	toMap(java.util.function.Supplier<M> mapFactory)	Deprecated. Use MapCollectors.toMap(Supplier) instead.
static <T> java.util.stream.Collector<T,?,java.util.Optional<T>>	toOptional()	Deprecated. Use OptionalCollectors.toOptional() instead.

Methods inherited from class java.lang.Object

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

Field Detail

FACTORIES

private static final java.util.List<CollectorFactory> FACTORIES

Deprecated.

Constructor Detail

BuiltInCollectorFactory

public BuiltInCollectorFactory()

Deprecated.

Method Detail

accepts

public boolean accepts(java.lang.reflect.Type containerType)

Deprecated.

Description copied from interface: CollectorFactory

Accept a Type as a collector.

Specified by:

accepts in interface CollectorFactory

Parameters:

containerType - the container type.

Returns:

whether this factory can produce a collector for the given container type.

elementType

public java.util.Optional<java.lang.reflect.Type> elementType(java.lang.reflect.Type containerType)

Deprecated.

Description copied from interface: CollectorFactory

Returns the element type for a given container type.

Specified by:

elementType in interface CollectorFactory

Parameters:

containerType - the container type.

Returns:

the container element type if it can be discovered through reflection; empty otherwise.

See Also:

StatementContext.findElementTypeFor(Type)

build

public java.util.stream.Collector<?,?,?> build(java.lang.reflect.Type containerType)

Deprecated.

Description copied from interface: CollectorFactory

Creates a collector for a given container type.

Specified by:

build in interface CollectorFactory

Parameters:

containerType - the container type.

Returns:

a Collector for the given container type.

See Also:

StatementContext.findCollectorFor(Type), JdbiCollectors.findFor(Type)

toOptional

@Deprecated
public static <T> java.util.stream.Collector<T,?,java.util.Optional<T>> toOptional()

Deprecated.

Use OptionalCollectors.toOptional() instead.

Returns a Collector that accumulates 0 or 1 input elements into an Optional<T>. The returned collector will throw IllegalStateException whenever 2 or more elements are present in a stream.

Type Parameters:

T - the collected type

Returns:

a Collector which collects 0 or 1 input elements into an Optional<T>.

toMap

@Deprecated
public static <K,V,M extends java.util.Map<K,V>> java.util.stream.Collector<java.util.Map.Entry<K,V>,?,M> toMap(java.util.function.Supplier<M> mapFactory)

Deprecated.

Use MapCollectors.toMap(Supplier) instead.

Returns a Collector that accumulates Map.Entry<K, V> input elements into a map of the supplied type. The returned collector will throw IllegalStateException whenever a set of input elements contains multiple entries with the same key.

Type Parameters:

K - the type of map keys

V - the type of map values

M - the type of the resulting Map

Parameters:

mapFactory - a Supplier which returns a new, empty Map of the appropriate type.

Returns:

a Collector which collects map entry elements into a Map, in encounter order.

putEntry

private static <K,V,M extends java.util.Map<K,V>> void putEntry(M map,
                                                                                  java.util.Map.Entry<K,V> entry)

Deprecated.

putEntry

private static <K,V,M extends java.util.Map<K,V>> void putEntry(M map,
                                                                                  K key,
                                                                                  V value)

Deprecated.

combine

private static <K,V,M extends java.util.Map<K,V>> M combine(M a,
                                                                              M b)

Deprecated.