Package com.mongodb
Class DBRef
java.lang.Object
com.mongodb.DBRef
- All Implemented Interfaces:
Serializable
A representation of a database reference.
- See Also:
- MongoDB documentation
- Database References
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Constructor Summary
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Method Summary
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Constructor Details
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DBRef
Construct an instance.- Parameters:
collectionName
- the name of the collection where the document is storedid
- the object id
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DBRef
Construct an instance.- Parameters:
databaseName
- the name of the database where the document is storedcollectionName
- the name of the collection where the document is storedid
- the object id- Since:
- 3.3
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Method Details
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getId
Gets the _id of the referenced document- Returns:
- the _id of the referenced document
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getCollectionName
Gets the name of the collection in which the referenced document is stored.- Returns:
- the name of the collection in which the referenced is stored
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getDatabaseName
Gets the name of the database in which the referenced document is stored. A null value implies that the referenced document is stored in the same database as the referring document.- Returns:
- the possibly-null database name
- Since:
- 3.3
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equals
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hashCode
public int hashCode() -
toString
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