Package org.apache.juneau.internal

Class DelegateMap<T extends Map>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<String,Object>

org.apache.juneau.collections.JsonMap

org.apache.juneau.internal.DelegateMap<T>

Type Parameters:

T - The class type of the wrapped bean.

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Object>, Delegate<T>

public class DelegateMap<T extends Map>
extends JsonMap
implements Delegate<T>

Represents a wrapped Map where entries in the map can be removed without affecting the underlying map.

See Also:

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Field Summary

Fields inherited from class org.apache.juneau.collections.JsonMap

EMPTY_MAP

Constructor Summary

Constructors

Constructor	Description
DelegateMap(T m, BeanSession session)	Constructor.

Method Summary

Modifier and Type	Method	Description
DelegateMap<T>	filterKeys(List<String> keys)	Remove all but the specified keys from this map.
ClassMeta<T>	getClassMeta()	The ClassMeta of the class of the represented object.

Methods inherited from class org.apache.juneau.collections.JsonMap

append, append, appendFirst, appendIf, appendIf, appendIfAbsent, appendIfAbsentIf, asJson, asReadableString, asString, asString, cast, cast, containsKey, containsKeyNotEmpty, containsOuterKey, create, deleteAt, entrySet, exclude, filtered, filtered, filteredMap, filteredMap, find, find, findBoolean, findInt, findKeyIgnoreCase, findList, findLong, findMap, findString, get, get, get, getAt, getAt, getBeanSession, getBoolean, getBoolean, getClassMeta, getFirstKey, getInt, getInt, getList, getList, getList, getList, getLong, getLong, getMap, getMap, getMap, getMap, getString, getString, getStringArray, getStringArray, getSwapped, getWithDefault, getWithDefault, getWithDefault, include, inner, isUnmodifiable, keepAll, keySet, modifiable, of, of, ofJson, ofJson, ofText, ofText, postAt, put, putAt, putJson, removeAll, removeAll, removeBoolean, removeBoolean, removeInt, removeInt, removeString, removeString, removeWithDefault, session, setBeanSession, toString, unmodifiable, writeTo

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, forEach, getOrDefault, removeEldestEntry, replaceAll, values

Methods inherited from class java.util.HashMap

clone, compute, computeIfAbsent, computeIfPresent, isEmpty, merge, putAll, putIfAbsent, remove, remove, replace, replace, size

Methods inherited from class java.util.AbstractMap

equals, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, hashCode, isEmpty, merge, putAll, putIfAbsent, remove, remove, replace, replace, size

Constructor Details

DelegateMap

public DelegateMap(T m,
 BeanSession session)

Constructor.

Parameters:

m - The metadata object that created this delegate object.

session - The current bean session.

Method Details

getClassMeta

public ClassMeta<T> getClassMeta()

Description copied from interface: Delegate

The ClassMeta of the class of the represented object.

Specified by:

getClassMeta in interface Delegate<T extends Map>

Returns:

The class type of the represented object.

filterKeys

public DelegateMap<T> filterKeys(List<String> keys)

Remove all but the specified keys from this map.

This does not affect the underlying map.

Parameters:

keys - The remaining keys in the map (in the specified order).

Returns:

This object.