com.mongodb
Class BasicDBObject

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

All Implemented Interfaces:

DBObject, Serializable, Cloneable, Map<String,Object>, BSONObject

Direct Known Subclasses:

CommandResult

public class BasicDBObject
extends BasicBSONObject
implements DBObject

A simple implementation of DBObject. A DBObject can be created as follows, using this class:

 DBObject obj = new BasicDBObject();
 obj.put( "foo", "bar" );
 

See Also:

Serialized Form

Nested Class Summary

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

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

Constructor Summary

BasicDBObject()
Creates an empty object.

BasicDBObject(int size)

BasicDBObject(Map m)
Creates a DBObject from a map.

BasicDBObject(String key, Object value)
Convenience CTOR

Method Summary

BasicDBObject	append(String key, Object val) Add a key/value pair to this object
boolean	isPartialObject() Checks if this object is ready to be saved.
void	markAsPartialObject() Sets that this object is incomplete and should not be saved.
String	toString() Returns a JSON serialization of this object

Methods inherited from class org.bson.BasicBSONObject

containsField, containsKey, equals, get, getBoolean, getDouble, getInt, getInt, getLong, getString, put, putAll, putAll, removeField, toMap

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, get, removeEldestEntry

Methods inherited from class java.util.HashMap

clone, containsKey, entrySet, isEmpty, keySet, remove, size, values

Methods inherited from class java.util.AbstractMap

hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bson.BSONObject

containsField, containsKey, get, keySet, put, putAll, putAll, removeField, toMap

Methods inherited from interface java.util.Map

containsKey, entrySet, hashCode, isEmpty, keySet, remove, size, values

Constructor Detail

BasicDBObject

public BasicDBObject()

Creates an empty object.

BasicDBObject

public BasicDBObject(int size)

BasicDBObject

public BasicDBObject(String key,
                     Object value)

Convenience CTOR

Parameters:

key - key under which to store

value - value to stor

BasicDBObject

public BasicDBObject(Map m)

Creates a DBObject from a map.

Parameters:

m - map to convert

Method Detail

isPartialObject

public boolean isPartialObject()

Checks if this object is ready to be saved.

Specified by:

isPartialObject in interface DBObject

Returns:

if the object is incomplete

toString

public String toString()

Returns a JSON serialization of this object

Overrides:

toString in class BasicBSONObject

Returns:

JSON serialization

markAsPartialObject

public void markAsPartialObject()

Sets that this object is incomplete and should not be saved.

Specified by:

markAsPartialObject in interface DBObject

append

public BasicDBObject append(String key,
                            Object val)

Add a key/value pair to this object

Overrides:

append in class BasicBSONObject

Parameters:

key - the field name

val - the field value

Returns:

the val parameter