javacommon.easytools.core.collection

类 DTDMap<V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<String,V>

javacommon.easytools.core.collection.DTDMap<V>

类型参数:

V -

所有已实现的接口:

Serializable, Cloneable, Map<String,V>

直接已知子类:

Entity

public class DTDMap<V>
extends LinkedHashMap<String,V>

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 java.util.AbstractMap

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

构造器概要

构造器

构造器和说明
DTDMap() Create a new LinkedCaseInsensitiveMap for the default Locale.
DTDMap(int initialCapacity) Create a new LinkedCaseInsensitiveMap that wraps a LinkedHashMap with the given initial capacity and stores lower-case keys according to the default Locale.
DTDMap(int initialCapacity, Locale locale) Create a new LinkedCaseInsensitiveMap that wraps a LinkedHashMap with the given initial capacity and stores lower-case keys according to the given Locale.
DTDMap(Locale locale) Create a new LinkedCaseInsensitiveMap that stores lower-case keys according to the given Locale.

方法概要

限定符和类型	方法和说明
void	clear()
boolean	containsKey(Object key)
protected String	convertKey(String key) Convert the given key to a case-insensitive key.
V	get(Object key)
<T> T	get(String attr, T defaultValue) 获得特定类型值
BigDecimal	getBigDecimal(String attr)
BigInteger	getBigInteger(String attr)
Boolean	getBool(String attr)
Byte	getByte(String attr)
byte[]	getBytes(String attr)
Character	getChar(String attr)
Date	getDate(String attr)
Double	getDouble(String attr)
<E extends Enum<E>> E	getEnum(Class<E> clazz, String key)
Float	getFloat(String attr)
Integer	getInt(String attr)
Long	getLong(String attr)
Number	getNumber(String attr)
Object	getObj(String key)
Short	getShort(String attr)
Timestamp	getTimestamp(String attr)
V	put(String key, V value)
void	putAll(Map<? extends String,? extends V> map)
V	remove(Object key)
DTDMap<V>	setIgnoreNull(String attr, V value) 设置列，当键或值为null时忽略

从类继承的方法 java.util.LinkedHashMap

containsValue, entrySet, forEach, getOrDefault, keySet, removeEldestEntry, replaceAll, values

从类继承的方法 java.util.HashMap

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

从类继承的方法 java.util.AbstractMap

equals, hashCode, toString

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Map

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

构造器详细资料

DTDMap

public DTDMap()

Create a new LinkedCaseInsensitiveMap for the default Locale.

另请参阅:

String.toLowerCase()

DTDMap

public DTDMap(Locale locale)

Create a new LinkedCaseInsensitiveMap that stores lower-case keys according to the given Locale.

参数:

locale - the Locale to use for lower-case conversion

另请参阅:

String.toLowerCase(Locale)

DTDMap

public DTDMap(int initialCapacity)

Create a new LinkedCaseInsensitiveMap that wraps a LinkedHashMap with the given initial capacity and stores lower-case keys according to the default Locale.

参数:

initialCapacity - the initial capacity

另请参阅:

String.toLowerCase()

DTDMap

public DTDMap(int initialCapacity,
              Locale locale)

Create a new LinkedCaseInsensitiveMap that wraps a LinkedHashMap with the given initial capacity and stores lower-case keys according to the given Locale.

参数:

initialCapacity - the initial capacity

locale - the Locale to use for lower-case conversion

另请参阅:

String.toLowerCase(Locale)

方法详细资料

put

public V put(String key,
             V value)

指定者:

put 在接口中 Map<String,V>

覆盖:

put 在类中 HashMap<String,V>

putAll

public void putAll(Map<? extends String,? extends V> map)

指定者:

putAll 在接口中 Map<String,V>

覆盖:

putAll 在类中 HashMap<String,V>

containsKey

public boolean containsKey(Object key)

指定者:

containsKey 在接口中 Map<String,V>

覆盖:

containsKey 在类中 HashMap<String,V>

get

public V get(Object key)

指定者:

get 在接口中 Map<String,V>

覆盖:

get 在类中 LinkedHashMap<String,V>

getObj

public Object getObj(String key)

get

public <T> T get(String attr,
                 T defaultValue)

获得特定类型值

类型参数:

T - 值类型

参数:

attr - 字段名

defaultValue - 默认值

返回:

字段值

getInt

public Integer getInt(String attr)

参数:

attr - 字段名

返回:

字段值

getLong

public Long getLong(String attr)

参数:

attr - 字段名

返回:

字段值

getFloat

public Float getFloat(String attr)

参数:

attr - 字段名

返回:

字段值

getShort

public Short getShort(String attr)

getChar

public Character getChar(String attr)

getDouble

public Double getDouble(String attr)

getByte

public Byte getByte(String attr)

getBool

public Boolean getBool(String attr)

参数:

attr - 字段名

返回:

字段值

getBigDecimal

public BigDecimal getBigDecimal(String attr)

参数:

attr - 字段名

返回:

字段值

getBigInteger

public BigInteger getBigInteger(String attr)

参数:

attr - 字段名

返回:

字段值

getEnum

public <E extends Enum<E>> E getEnum(Class<E> clazz,
                                     String key)

getBytes

public byte[] getBytes(String attr)

参数:

attr - 字段名

返回:

字段值

getDate

public Date getDate(String attr)

参数:

attr - 字段名

返回:

字段值

getTimestamp

public Timestamp getTimestamp(String attr)

参数:

attr - 字段名

返回:

字段值

getNumber

public Number getNumber(String attr)

参数:

attr - 字段名

返回:

字段值

remove

public V remove(Object key)

指定者:

remove 在接口中 Map<String,V>

覆盖:

remove 在类中 HashMap<String,V>

clear

public void clear()

指定者:

clear 在接口中 Map<String,V>

覆盖:

clear 在类中 LinkedHashMap<String,V>

convertKey

protected String convertKey(String key)

Convert the given key to a case-insensitive key.

The default implementation converts the key to lower-case according to this Map's Locale.

参数:

key - the user-specified key

返回:

the key to use for storing

另请参阅:

String.toLowerCase(Locale)

setIgnoreNull

public DTDMap<V> setIgnoreNull(String attr,
                               V value)

设置列，当键或值为null时忽略

参数:

attr - 属性

value - 值

返回:

本身