BasicBSONObject (mongo-java-driver 3.3.0-query-log-max-size API)

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<K,V>
  - - java.util.LinkedHashMap<java.lang.String,java.lang.Object>
    - - org.bson.BasicBSONObject

所有已实现的接口:

java.io.Serializable, java.lang.Cloneable, java.util.Map<java.lang.String,java.lang.Object>, BSONObject

直接已知子类:

BasicDBObject
```
public class BasicBSONObject
extends java.util.LinkedHashMap<java.lang.String,java.lang.Object>
implements BSONObject
```
A simple implementation of DBObject. A DBObject can be created as follows, using this class: DBObject obj = new BasicBSONObject(); obj.put( "foo", "bar" );

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

构造器概要

构造器
构造器和说明
`BasicBSONObject()` Creates an empty object.
`BasicBSONObject(int size)` Creates an empty object.
`BasicBSONObject(java.util.Map map)` Creates a DBObject from a map.
`BasicBSONObject(java.lang.String key, java.lang.Object value)` Creates a BSONObject initialised with a single key/value pair.

方法概要

所有方法实例方法具体方法已过时的方法
限定符和类型	方法和说明
`BasicBSONObject`	`append(java.lang.String key, java.lang.Object val)` Add a key/value pair to this object
`boolean`	`containsField(java.lang.String field)` Checks if this object contains a given field
`boolean`	`containsKey(java.lang.String key)` 已过时。
`boolean`	`equals(java.lang.Object o)` Compares two documents according to their serialized form, ignoring the order of keys.
`java.lang.Object`	`get(java.lang.String key)` Gets a value from this object
`boolean`	`getBoolean(java.lang.String key)` Returns the value of a field as a boolean.
`boolean`	`getBoolean(java.lang.String key, boolean def)` Returns the value of a field as a boolean
`java.util.Date`	`getDate(java.lang.String field)` Returns the date or null if not set.
`java.util.Date`	`getDate(java.lang.String field, java.util.Date def)` Returns the date or def if not set.
`double`	`getDouble(java.lang.String key)` Returns the value of a field as a `double`.
`double`	`getDouble(java.lang.String key, double def)` Returns the value of a field as an `double`.
`int`	`getInt(java.lang.String key)` Returns the value of a field as an `int`.
`int`	`getInt(java.lang.String key, int def)` Returns the value of a field as an `int`.
`long`	`getLong(java.lang.String key)` Returns the value of a field as a `long`.
`long`	`getLong(java.lang.String key, long def)` Returns the value of a field as an `long`.
`ObjectId`	`getObjectId(java.lang.String field)` Returns the object id or null if not set.
`ObjectId`	`getObjectId(java.lang.String field, ObjectId def)` Returns the object id or def if not set.
`java.lang.String`	`getString(java.lang.String key)` Returns the value of a field as a string
`java.lang.String`	`getString(java.lang.String key, java.lang.String def)` Returns the value of a field as a string
`int`	`hashCode()`
`void`	`putAll(BSONObject o)` Sets all key/value pairs from an object into this object
`void`	`putAll(java.util.Map m)` Sets all key/value pairs from a map into this object
`java.lang.Object`	`removeField(java.lang.String key)` Deletes a field from this object.
`java.util.Map`	`toMap()` Converts a DBObject to a map.
`java.lang.String`	`toString()` Returns a JSON serialization of this object

从类继承的方法 java.util.LinkedHashMap
clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, removeEldestEntry, replaceAll, values

从类继承的方法 java.util.HashMap
clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putIfAbsent, remove, remove, replace, replace, size

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 org.bson.BSONObject
keySet, put

从接口继承的方法 java.util.Map
compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putIfAbsent, remove, remove, replace, replace, size

- 构造器详细资料
  - BasicBSONObject
```
public BasicBSONObject()
```
    Creates an empty object.
  - BasicBSONObject
```
public BasicBSONObject(int size)
```
    Creates an empty object.
    
    参数:
    
    size - the initial capacity for the Map storing this document.
  - BasicBSONObject
```
public BasicBSONObject(java.lang.String key,
                       java.lang.Object value)
```
    Creates a BSONObject initialised with a single key/value pair.
    
    参数:
    
    key - key under which to store
    
    value - value to store
  - BasicBSONObject
```
public BasicBSONObject(java.util.Map map)
```
    Creates a DBObject from a map.
    
    参数:
    
    map - map to convert
- 方法详细资料
  - toMap
```
public java.util.Map toMap()
```
    Converts a DBObject to a map.
    
    指定者:
    
    toMap 在接口中 BSONObject
    
    返回:
    
    the DBObject
  - removeField
```
public java.lang.Object removeField(java.lang.String key)
```
    Deletes a field from this object.
    
    指定者:
    
    removeField 在接口中 BSONObject
    
    参数:
    
    key - the field name to remove
    
    返回:
    
    the object removed
  - containsField
```
public boolean containsField(java.lang.String field)
```
    Checks if this object contains a given field
    
    指定者:
    
    containsField 在接口中 BSONObject
    
    参数:
    
    field - field name
    
    返回:
    
    if the field exists
  - containsKey
```
@Deprecated
public boolean containsKey(java.lang.String key)
```
    已过时。
    
    从接口复制的说明: BSONObject
    
    Deprecated
    
    指定者:
    
    containsKey 在接口中 BSONObject
    
    参数:
    
    key - the key to check
    
    返回:
    
    True if the key is present
  - get
```
public java.lang.Object get(java.lang.String key)
```
    Gets a value from this object
    
    指定者:
    
    get 在接口中 BSONObject
    
    参数:
    
    key - field name
    
    返回:
    
    the value
  - getInt
```
public int getInt(java.lang.String key)
```
    Returns the value of a field as an int.
    
    参数:
    
    key - the field to look for
    
    返回:
    
    the field value (or default)
  - getInt
```
public int getInt(java.lang.String key,
                  int def)
```
    Returns the value of a field as an int.
    
    参数:
    
    key - the field to look for
    
    def - the default to return
    
    返回:
    
    the field value (or default)
  - getLong
```
public long getLong(java.lang.String key)
```
    Returns the value of a field as a long.
    
    参数:
    
    key - the field to return
    
    返回:
    
    the field value
  - getLong
```
public long getLong(java.lang.String key,
                    long def)
```
    Returns the value of a field as an long.
    
    参数:
    
    key - the field to look for
    
    def - the default to return
    
    返回:
    
    the field value (or default)
  - getDouble
```
public double getDouble(java.lang.String key)
```
    Returns the value of a field as a double.
    
    参数:
    
    key - the field to return
    
    返回:
    
    the field value
  - getDouble
```
public double getDouble(java.lang.String key,
                        double def)
```
    Returns the value of a field as an double.
    
    参数:
    
    key - the field to look for
    
    def - the default to return
    
    返回:
    
    the field value (or default)
  - getString
```
public java.lang.String getString(java.lang.String key)
```
    Returns the value of a field as a string
    
    参数:
    
    key - the field to look up
    
    返回:
    
    the value of the field, converted to a string
  - getString
```
public java.lang.String getString(java.lang.String key,
                                  java.lang.String def)
```
    Returns the value of a field as a string
    
    参数:
    
    key - the field to look up
    
    def - the default to return
    
    返回:
    
    the value of the field, converted to a string
  - getBoolean
```
public boolean getBoolean(java.lang.String key)
```
    Returns the value of a field as a boolean.
    
    参数:
    
    key - the field to look up
    
    返回:
    
    the value of the field, or false if field does not exist
  - getBoolean
```
public boolean getBoolean(java.lang.String key,
                          boolean def)
```
    Returns the value of a field as a boolean
    
    参数:
    
    key - the field to look up
    
    def - the default value in case the field is not found
    
    返回:
    
    the value of the field, converted to a string
  - getObjectId
```
public ObjectId getObjectId(java.lang.String field)
```
    Returns the object id or null if not set.
    
    参数:
    
    field - The field to return
    
    返回:
    
    The field object value or null if not found (or if null :-^).
  - getObjectId
```
public ObjectId getObjectId(java.lang.String field,
                            ObjectId def)
```
    Returns the object id or def if not set.
    
    参数:
    
    field - The field to return
    
    def - the default value in case the field is not found
    
    返回:
    
    The field object value or def if not set.
  - getDate
```
public java.util.Date getDate(java.lang.String field)
```
    Returns the date or null if not set.
    
    参数:
    
    field - The field to return
    
    返回:
    
    The field object value or null if not found.
  - getDate
```
public java.util.Date getDate(java.lang.String field,
                              java.util.Date def)
```
    Returns the date or def if not set.
    
    参数:
    
    field - The field to return
    
    def - the default value in case the field is not found
    
    返回:
    
    The field object value or def if not set.
  - putAll
```
public void putAll(java.util.Map m)
```
    从接口复制的说明: BSONObject
    
    Sets all key/value pairs from a map into this object
    
    指定者:
    
    putAll 在接口中 java.util.Map<java.lang.String,java.lang.Object>
    
    指定者:
    
    putAll 在接口中 BSONObject
    
    覆盖:
    
    putAll 在类中 java.util.HashMap<java.lang.String,java.lang.Object>
    
    参数:
    
    m - the map
  - putAll
```
public void putAll(BSONObject o)
```
    从接口复制的说明: BSONObject
    
    Sets all key/value pairs from an object into this object
    
    指定者:
    
    putAll 在接口中 BSONObject
    
    参数:
    
    o - the object
  - append
```
public BasicBSONObject append(java.lang.String key,
                              java.lang.Object val)
```
    Add a key/value pair to this object
    
    参数:
    
    key - the field name
    
    val - the field value
    
    返回:
    
    this
  - toString
```
public java.lang.String toString()
```
    Returns a JSON serialization of this object
    
    覆盖:
    
    toString 在类中 java.util.AbstractMap<java.lang.String,java.lang.Object>
    
    返回:
    
    JSON serialization
  - equals
```
public boolean equals(java.lang.Object o)
```
    Compares two documents according to their serialized form, ignoring the order of keys.
    
    指定者:
    
    equals 在接口中 java.util.Map<java.lang.String,java.lang.Object>
    
    覆盖:
    
    equals 在类中 java.util.AbstractMap<java.lang.String,java.lang.Object>
    
    参数:
    
    o - the document to compare to, which must be an instance of BSONObject.
    
    返回:
    
    true if the documents have the same serialized form, ignoring key order.
  - hashCode
```
public int hashCode()
```
    指定者:
    
    hashCode 在接口中 java.util.Map<java.lang.String,java.lang.Object>
    
    覆盖:
    
    hashCode 在类中 java.util.AbstractMap<java.lang.String,java.lang.Object>

类 BasicBSONObject

嵌套类概要

从类继承的嵌套类/接口 java.util.AbstractMap

构造器概要

方法概要

从类继承的方法 java.util.LinkedHashMap

从类继承的方法 java.util.HashMap

从类继承的方法 java.lang.Object

从接口继承的方法 org.bson.BSONObject

从接口继承的方法 java.util.Map

构造器详细资料

BasicBSONObject

BasicBSONObject

BasicBSONObject

BasicBSONObject

方法详细资料

toMap

removeField

containsField

containsKey

get

getInt

getInt

getLong

getLong

getDouble

getDouble

getString

getString

getBoolean

getBoolean

getObjectId

getObjectId

getDate

getDate

putAll

putAll

append

toString

equals

hashCode