Package com.github.ambry.cloud.azure

Class CosmosChangeFeedFindToken

java.lang.Object

com.github.ambry.cloud.azure.CosmosChangeFeedFindToken

All Implemented Interfaces:

com.github.ambry.replication.FindToken

public class CosmosChangeFeedFindToken
extends java.lang.Object
implements com.github.ambry.replication.FindToken

Class representing the replication token to track replication progress using Cosmos change feed.

Constructor Summary

Constructors

Constructor	Description
CosmosChangeFeedFindToken()	Default constructor to create a CosmosChangeFeedFindToken with uninitialized continuation token.
CosmosChangeFeedFindToken(long bytesRead, java.lang.String startContinuationToken, java.lang.String endContinuationToken, int index, int totalItems, java.lang.String cacheSessionId)	Create CosmosChangeFeedFindToken from provided values.
CosmosChangeFeedFindToken(long bytesRead, java.lang.String startContinuationToken, java.lang.String endContinuationToken, int index, int totalItems, java.lang.String cacheSessionId, short version)	Constructor to create a CosmosChangeFeedFindToken with specified token values and specified version.

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
static CosmosChangeFeedFindToken	fromBytes(java.io.DataInputStream inputStream)	Deserialize CosmosChangeFeedFindToken object from input stream.
long	getBytesRead()
java.lang.String	getCacheSessionId()	Return cacheSessionId of the current token.
java.lang.String	getEndContinuationToken()
int	getIndex()	Return index of the current token.
java.lang.String	getStartContinuationToken()	Return startContinuationToken of the current token.
int	getTotalItems()	Return totalitems in the current token.
com.github.ambry.replication.FindTokenType	getType()
short	getVersion()
int	hashCode()
int	size()	Calculate size of the token.
byte[]	toBytes()	Serialize CosmosChangeFeedFindToken to byte array.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CosmosChangeFeedFindToken

public CosmosChangeFeedFindToken()

Default constructor to create a CosmosChangeFeedFindToken with uninitialized continuation token.

CosmosChangeFeedFindToken

public CosmosChangeFeedFindToken(long bytesRead,
                                 java.lang.String startContinuationToken,
                                 java.lang.String endContinuationToken,
                                 int index,
                                 int totalItems,
                                 java.lang.String cacheSessionId)

Create CosmosChangeFeedFindToken from provided values.

Parameters:

bytesRead - bytes read by remote so far.

startContinuationToken - start token from Cosmos.

endContinuationToken - end token from Cosmos.

index - index in cache upto which items are consumed by remote.

totalItems - total number of items in cache.

cacheSessionId - request id of the change feed query.

CosmosChangeFeedFindToken

public CosmosChangeFeedFindToken(long bytesRead,
                                 java.lang.String startContinuationToken,
                                 java.lang.String endContinuationToken,
                                 int index,
                                 int totalItems,
                                 java.lang.String cacheSessionId,
                                 short version)

Constructor to create a CosmosChangeFeedFindToken with specified token values and specified version.

Parameters:

bytesRead - bytes read by remote so far.

startContinuationToken - start token from Cosmos.

endContinuationToken - end token from Cosmos.

index - index in cache upto which items are consumed by remote.

totalItems - total number of items in cache.

cacheSessionId - request id of the change feed query.

version - token version.

Method Detail

fromBytes

public static CosmosChangeFeedFindToken fromBytes(java.io.DataInputStream inputStream)
                                           throws java.io.IOException

Deserialize CosmosChangeFeedFindToken object from input stream.

Parameters:

inputStream - DataOutputStream to deserialize from.

Returns:

CosmosChangeFeedFindToken object.

Throws:

java.io.IOException

toBytes

public byte[] toBytes()

Serialize CosmosChangeFeedFindToken to byte array.

Specified by:

toBytes in interface com.github.ambry.replication.FindToken

Returns:

serialized byte array.

size

public int size()

Calculate size of the token.

Returns:

size of the token.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

getStartContinuationToken

public java.lang.String getStartContinuationToken()

Return startContinuationToken of the current token.

Returns:

startContinuationToken.

getEndContinuationToken

public java.lang.String getEndContinuationToken()

getIndex

public int getIndex()

Return index of the current token.

Returns:

index.

getTotalItems

public int getTotalItems()

Return totalitems in the current token.

Returns:

totalitems.

getBytesRead

public long getBytesRead()

Specified by:

getBytesRead in interface com.github.ambry.replication.FindToken

getVersion

public short getVersion()

Specified by:

getVersion in interface com.github.ambry.replication.FindToken

getType

public com.github.ambry.replication.FindTokenType getType()

Specified by:

getType in interface com.github.ambry.replication.FindToken

getCacheSessionId

public java.lang.String getCacheSessionId()

Return cacheSessionId of the current token.

Returns:

cacheSessionId.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object