com.mongodb.client.gridfs.model

类 GridFSFile

java.lang.Object

com.mongodb.client.gridfs.model.GridFSFile

public final class GridFSFile
extends java.lang.Object

The GridFSFile

从以下版本开始:

3.1

构造器概要

构造器

构造器和说明
GridFSFile(BsonValue id, java.lang.String filename, long length, int chunkSize, java.util.Date uploadDate, java.lang.String md5, Document metadata) Creates a new GridFSFile
GridFSFile(BsonValue id, java.lang.String filename, long length, int chunkSize, java.util.Date uploadDate, java.lang.String md5, Document metadata, Document extraElements) Creates a legacy implementation of the GridFSFile For GridFS files created in older versions of the driver.

方法概要

限定符和类型	方法和说明
boolean	equals(java.lang.Object o)
java.util.List<java.lang.String>	getAliases() 已过时。 aliases should be stored in the metadata document.
int	getChunkSize() The size, in bytes, of each data chunk of this file
java.lang.String	getContentType() 已过时。 content type information stored in the metadata document.
Document	getExtraElements() 已过时。 any extra information should be stored in the metadata document.
java.lang.String	getFilename() The filename
BsonValue	getId() The BsonValue id for this file.
long	getLength() The length, in bytes of this file
java.lang.String	getMD5() The hash of the contents of the stored file
Document	getMetadata() Any additional metadata stored along with the file
ObjectId	getObjectId() The ObjectId for this file.
java.util.Date	getUploadDate() The date and time this file was added to GridFS
int	hashCode()
java.lang.String	toString()

从类继承的方法 java.lang.Object

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

构造器详细资料

GridFSFile

public GridFSFile(BsonValue id,
                  java.lang.String filename,
                  long length,
                  int chunkSize,
                  java.util.Date uploadDate,
                  java.lang.String md5,
                  Document metadata)

Creates a new GridFSFile

参数:

id - the id of the file

filename - the filename

length - the length, in bytes of the file

chunkSize - the chunkSize, in bytes of the file

uploadDate - the upload date of the file

md5 - the hash of the files contents

metadata - the optional metadata for the file

GridFSFile

public GridFSFile(BsonValue id,
                  java.lang.String filename,
                  long length,
                  int chunkSize,
                  java.util.Date uploadDate,
                  java.lang.String md5,
                  Document metadata,
                  Document extraElements)

Creates a legacy implementation of the GridFSFile

For GridFS files created in older versions of the driver.

参数:

id - the id of the file

filename - the filename

length - the length, in bytes of the file

chunkSize - the chunkSize, in bytes of the file

uploadDate - the upload date of the file

md5 - the hash of the files contents

metadata - the optional metadata for the file

extraElements - any extra data stored in the document

方法详细资料

getObjectId

public ObjectId getObjectId()

The ObjectId for this file. Throws a MongoGridFSException if the file id is not an ObjectId.

返回:

the id for this file.

getId

public BsonValue getId()

The BsonValue id for this file.

返回:

the id for this file

getFilename

public java.lang.String getFilename()

The filename

返回:

the filename

getLength

public long getLength()

The length, in bytes of this file

返回:

the length, in bytes of this file

getChunkSize

public int getChunkSize()

The size, in bytes, of each data chunk of this file

返回:

the size, in bytes, of each data chunk of this file

getUploadDate

public java.util.Date getUploadDate()

The date and time this file was added to GridFS

返回:

the date and time this file was added to GridFS

getMD5

public java.lang.String getMD5()

The hash of the contents of the stored file

返回:

the hash of the contents of the stored file

getMetadata

public Document getMetadata()

Any additional metadata stored along with the file

返回:

the metadata document or null

getExtraElements

@Deprecated
public Document getExtraElements()

已过时。 any extra information should be stored in the metadata document.

All deprecated top level elements including any contentType or aliases data

返回:

the extra elements document or null

getContentType

@Deprecated
public java.lang.String getContentType()

已过时。 content type information stored in the metadata document.

The content type of the file

返回:

the content type of the file

getAliases

@Deprecated
public java.util.List<java.lang.String> getAliases()

已过时。 aliases should be stored in the metadata document.

The aliases for the file

返回:

the aliases of the file

equals

public boolean equals(java.lang.Object o)

覆盖:

equals 在类中 java.lang.Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 java.lang.Object

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object