org.bson

类 BsonDocumentReader

java.lang.Object

org.bson.AbstractBsonReader

org.bson.BsonDocumentReader

所有已实现的接口:

java.io.Closeable, java.lang.AutoCloseable, BsonReader

public class BsonDocumentReader
extends AbstractBsonReader

A BsonReader implementation that reads from an instance of BsonDocument. This can be used to decode a BsonDocument using a Decoder.

从以下版本开始:

3.0

另请参阅:

BsonDocument, Decoder

嵌套类概要

嵌套类

限定符和类型	类和说明
protected class	BsonDocumentReader.Context
protected class	BsonDocumentReader.Mark

从类继承的嵌套类/接口 org.bson.AbstractBsonReader

AbstractBsonReader.State

构造器概要

构造器

构造器和说明
BsonDocumentReader(BsonDocument document) Construct a new instance.

方法概要

限定符和类型	方法和说明
protected byte	doPeekBinarySubType() Handles the logic to peek at the binary subtype.
protected BsonBinary	doReadBinaryData() Handles the logic to read binary data
protected boolean	doReadBoolean() Handles the logic to read booleans
protected long	doReadDateTime() Handles the logic to read date time
protected BsonDbPointer	doReadDBPointer() Handles the logic to read a DBPointer
protected double	doReadDouble() Handles the logic to read doubles
protected void	doReadEndArray() Handles the logic when reading the end of an array
protected void	doReadEndDocument() Handles the logic when reading the end of a document
protected int	doReadInt32() Handles the logic to read 32 bit ints
protected long	doReadInt64() Handles the logic to read 64 bit ints
protected java.lang.String	doReadJavaScript() Handles the logic to read Javascript functions
protected java.lang.String	doReadJavaScriptWithScope() Handles the logic to read scoped Javascript functions
protected void	doReadMaxKey() Handles the logic to read a Max key
protected void	doReadMinKey() Handles the logic to read a Min key
protected void	doReadNull() Handles the logic to read a null value
protected ObjectId	doReadObjectId() Handles the logic to read an ObjectId
protected BsonRegularExpression	doReadRegularExpression() Handles the logic to read a regular expression
protected void	doReadStartArray() Handles the logic to read the start of an array
protected void	doReadStartDocument() Handles the logic to read the start of a document
protected java.lang.String	doReadString() Handles the logic to read a String
protected java.lang.String	doReadSymbol() Handles the logic to read a Symbol
protected BsonTimestamp	doReadTimestamp() Handles the logic to read a timestamp
protected void	doReadUndefined() Handles the logic to read an Undefined value
protected void	doSkipName() Handles any logic required to skip the name (reader must be positioned on a name).
protected void	doSkipValue() Handles any logic required to skip the value (reader must be positioned on a value).
protected BsonDocumentReader.Context	getContext() Get the context, which will indicate which state the reader is in, for example which part of a document it's currently reading.
void	mark() Creates a bookmark in the BsonReader's input The previous mark must be cleared before creating a new one
BsonType	readBsonType() Reads a BSONType from the reader.
void	reset() Go back to the state at the last mark and removes the mark

从类继承的方法 org.bson.AbstractBsonReader

checkPreconditions, close, getCurrentBsonType, getCurrentName, getNextState, getState, isClosed, peekBinarySubType, readBinaryData, readBinaryData, readBoolean, readBoolean, readDateTime, readDateTime, readDBPointer, readDBPointer, readDouble, readDouble, readEndArray, readEndDocument, readInt32, readInt32, readInt64, readInt64, readJavaScript, readJavaScript, readJavaScriptWithScope, readJavaScriptWithScope, readMaxKey, readMaxKey, readMinKey, readMinKey, readName, readName, readNull, readNull, readObjectId, readObjectId, readRegularExpression, readRegularExpression, readStartArray, readStartDocument, readString, readString, readSymbol, readSymbol, readTimestamp, readTimestamp, readUndefined, readUndefined, setContext, setCurrentBsonType, setCurrentName, setState, skipName, skipValue, throwInvalidContextType, throwInvalidState, verifyBSONType, verifyName

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

BsonDocumentReader

public BsonDocumentReader(BsonDocument document)

Construct a new instance.

参数:

document - the document to read from

方法详细资料

doReadBinaryData

protected BsonBinary doReadBinaryData()

从类复制的说明: AbstractBsonReader

Handles the logic to read binary data

指定者:

doReadBinaryData 在类中 AbstractBsonReader

返回:

the BsonBinary value

doPeekBinarySubType

protected byte doPeekBinarySubType()

从类复制的说明: AbstractBsonReader

Handles the logic to peek at the binary subtype.

指定者:

doPeekBinarySubType 在类中 AbstractBsonReader

返回:

the binary subtype

doReadBoolean

protected boolean doReadBoolean()

从类复制的说明: AbstractBsonReader

Handles the logic to read booleans

指定者:

doReadBoolean 在类中 AbstractBsonReader

返回:

the boolean value

doReadDateTime

protected long doReadDateTime()

从类复制的说明: AbstractBsonReader

Handles the logic to read date time

指定者:

doReadDateTime 在类中 AbstractBsonReader

返回:

the long value

doReadDouble

protected double doReadDouble()

从类复制的说明: AbstractBsonReader

Handles the logic to read doubles

指定者:

doReadDouble 在类中 AbstractBsonReader

返回:

the double value

doReadEndArray

protected void doReadEndArray()

从类复制的说明: AbstractBsonReader

Handles the logic when reading the end of an array

指定者:

doReadEndArray 在类中 AbstractBsonReader

doReadEndDocument

protected void doReadEndDocument()

从类复制的说明: AbstractBsonReader

Handles the logic when reading the end of a document

指定者:

doReadEndDocument 在类中 AbstractBsonReader

doReadInt32

protected int doReadInt32()

从类复制的说明: AbstractBsonReader

Handles the logic to read 32 bit ints

指定者:

doReadInt32 在类中 AbstractBsonReader

返回:

the int value

doReadInt64

protected long doReadInt64()

从类复制的说明: AbstractBsonReader

Handles the logic to read 64 bit ints

指定者:

doReadInt64 在类中 AbstractBsonReader

返回:

the long value

doReadJavaScript

protected java.lang.String doReadJavaScript()

从类复制的说明: AbstractBsonReader

Handles the logic to read Javascript functions

指定者:

doReadJavaScript 在类中 AbstractBsonReader

返回:

the String value

doReadJavaScriptWithScope

protected java.lang.String doReadJavaScriptWithScope()

从类复制的说明: AbstractBsonReader

Handles the logic to read scoped Javascript functions

指定者:

doReadJavaScriptWithScope 在类中 AbstractBsonReader

返回:

the String value

doReadMaxKey

protected void doReadMaxKey()

从类复制的说明: AbstractBsonReader

Handles the logic to read a Max key

指定者:

doReadMaxKey 在类中 AbstractBsonReader

doReadMinKey

protected void doReadMinKey()

从类复制的说明: AbstractBsonReader

Handles the logic to read a Min key

指定者:

doReadMinKey 在类中 AbstractBsonReader

doReadNull

protected void doReadNull()

从类复制的说明: AbstractBsonReader

Handles the logic to read a null value

指定者:

doReadNull 在类中 AbstractBsonReader

doReadObjectId

protected ObjectId doReadObjectId()

从类复制的说明: AbstractBsonReader

Handles the logic to read an ObjectId

指定者:

doReadObjectId 在类中 AbstractBsonReader

返回:

the ObjectId value

doReadRegularExpression

protected BsonRegularExpression doReadRegularExpression()

从类复制的说明: AbstractBsonReader

Handles the logic to read a regular expression

指定者:

doReadRegularExpression 在类中 AbstractBsonReader

返回:

the BsonRegularExpression value

doReadDBPointer

protected BsonDbPointer doReadDBPointer()

从类复制的说明: AbstractBsonReader

Handles the logic to read a DBPointer

指定者:

doReadDBPointer 在类中 AbstractBsonReader

返回:

the BsonDbPointer value

doReadStartArray

protected void doReadStartArray()

从类复制的说明: AbstractBsonReader

Handles the logic to read the start of an array

指定者:

doReadStartArray 在类中 AbstractBsonReader

doReadStartDocument

protected void doReadStartDocument()

从类复制的说明: AbstractBsonReader

Handles the logic to read the start of a document

指定者:

doReadStartDocument 在类中 AbstractBsonReader

doReadString

protected java.lang.String doReadString()

从类复制的说明: AbstractBsonReader

Handles the logic to read a String

指定者:

doReadString 在类中 AbstractBsonReader

返回:

the String value

doReadSymbol

protected java.lang.String doReadSymbol()

从类复制的说明: AbstractBsonReader

Handles the logic to read a Symbol

指定者:

doReadSymbol 在类中 AbstractBsonReader

返回:

the String value

doReadTimestamp

protected BsonTimestamp doReadTimestamp()

从类复制的说明: AbstractBsonReader

Handles the logic to read a timestamp

指定者:

doReadTimestamp 在类中 AbstractBsonReader

返回:

the BsonTimestamp value

doReadUndefined

protected void doReadUndefined()

从类复制的说明: AbstractBsonReader

Handles the logic to read an Undefined value

指定者:

doReadUndefined 在类中 AbstractBsonReader

doSkipName

protected void doSkipName()

从类复制的说明: AbstractBsonReader

Handles any logic required to skip the name (reader must be positioned on a name).

指定者:

doSkipName 在类中 AbstractBsonReader

doSkipValue

protected void doSkipValue()

从类复制的说明: AbstractBsonReader

Handles any logic required to skip the value (reader must be positioned on a value).

指定者:

doSkipValue 在类中 AbstractBsonReader

readBsonType

public BsonType readBsonType()

从接口复制的说明: BsonReader

Reads a BSONType from the reader.

指定者:

readBsonType 在接口中 BsonReader

指定者:

readBsonType 在类中 AbstractBsonReader

返回:

A BSONType.

mark

public void mark()

从接口复制的说明: BsonReader

Creates a bookmark in the BsonReader's input The previous mark must be cleared before creating a new one

reset

public void reset()

从接口复制的说明: BsonReader

Go back to the state at the last mark and removes the mark

getContext

protected BsonDocumentReader.Context getContext()

从类复制的说明: AbstractBsonReader

Get the context, which will indicate which state the reader is in, for example which part of a document it's currently reading.

覆盖:

getContext 在类中 AbstractBsonReader

返回:

the context