Class CrudMapAdapter.SetLike<Value>

java.lang.Object

de.xima.fc.common.collection.CrudMapAdapter.SetLike<Value>

Type Parameters:

Value - Type of the values in the set.

All Implemented Interfaces:

CrudMapAdapter<Value,Unit>, Serializable

Direct Known Subclasses:

CrudMapAdapter.SetLike.Immutable

Enclosing interface:

CrudMapAdapter<Key,Value>

public abstract static class CrudMapAdapter.SetLike<Value>
extends Object
implements CrudMapAdapter<Value,Unit>, Serializable

A CrudMapAdapter with a Unit whose presence corresponds to whether the key is present in a Set. Intended to be used e.g. with CrudMap.newSet(). Implements CrudMapAdapter#get by checking whether the key is present, and set by delegating to either delete or add.

Since:

8.2.0

Author:

XIMA MEDIA GmbH

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CrudMapAdapter.SetLike.Immutable<Value>	A CrudMapAdapter.SetLike for an immutable set.

Nested classes/interfaces inherited from interface CrudMapAdapter

CrudMapAdapter.SetLike<Value>

Constructor Summary

Constructors

Constructor	Description
SetLike()

Method Summary

Modifier and Type	Method	Description
protected abstract void	add(Value value)	Adds a given value to the set.
protected abstract boolean	contains(Value value)	Checks whether the set contains the given value.
final Unit	get(Value key)	Gets the value for the given key.
final void	set(Value key, Unit unit)	Associates a value with the given key.

Methods inherited from class Object

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

Methods inherited from interface CrudMapAdapter

computeSize, delete, enumerateCandidateKeys, isEmpty

Constructor Details

SetLike

public SetLike()

Method Details

get

public final Unit get(Value key)

Description copied from interface: CrudMapAdapter

Gets the value for the given key. Returns null when no value is available for the key.

Specified by:

get in interface CrudMapAdapter<Value,Unit>

Parameters:

key - Key to access.

Returns:

The value associated with the key, or null when no value is associated with the key.

set

public final void set(Value key,
 Unit unit)

Description copied from interface: CrudMapAdapter

Associates a value with the given key.

Specified by:

set in interface CrudMapAdapter<Value,Unit>

Parameters:

key - Key to associate with a different value.

unit - Value to associate with the key, never null.

add

protected abstract void add(Value value)

Adds a given value to the set.

Parameters:

value - Value to add.

contains

protected abstract boolean contains(Value value)

Checks whether the set contains the given value.

Parameters:

value - Value to check.

Returns:

Whether the set contains the value.