org.apache.omid.committable

Class InMemoryCommitTable.Client

java.lang.Object

org.apache.omid.committable.InMemoryCommitTable.Client

All Implemented Interfaces:

CommitTable.Client

Enclosing class:

InMemoryCommitTable

public class InMemoryCommitTable.Client
extends Object
implements CommitTable.Client

Constructor Summary

Constructors

Constructor and Description
Client()

Method Summary

Modifier and Type	Method and Description
org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<Void>	deleteCommitEntry(long startTimestamp)
org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<org.apache.phoenix.thirdparty.com.google.common.base.Optional<CommitTable.CommitTimestamp>>	getCommitTimestamp(long startTimestamp) Checks whether a transaction commit data is inside the commit table The function also checks whether the transaction was invalidated and returns a commit timestamp type accordingly.
org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<Long>	readLowWatermark()
org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<Boolean>	tryInvalidateTransaction(long startTimestamp) Atomically tries to invalidate a non-committed transaction launched by a previous TSO server.

Methods inherited from class java.lang.Object

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

Constructor Detail

Client

public Client()

Method Detail

getCommitTimestamp

public org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<org.apache.phoenix.thirdparty.com.google.common.base.Optional<CommitTable.CommitTimestamp>> getCommitTimestamp(long startTimestamp)

Description copied from interface: CommitTable.Client

Checks whether a transaction commit data is inside the commit table The function also checks whether the transaction was invalidated and returns a commit timestamp type accordingly.

Specified by:

getCommitTimestamp in interface CommitTable.Client

Parameters:

startTimestamp - the transaction start timestamp

Returns:

Optional of CommitTimestamp that represents a valid, invalid, or no timestamp.

readLowWatermark

public org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<Long> readLowWatermark()

Specified by:

readLowWatermark in interface CommitTable.Client

deleteCommitEntry

public org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<Void> deleteCommitEntry(long startTimestamp)

Specified by:

deleteCommitEntry in interface CommitTable.Client

tryInvalidateTransaction

public org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ListenableFuture<Boolean> tryInvalidateTransaction(long startTimestamp)

Description copied from interface: CommitTable.Client

Atomically tries to invalidate a non-committed transaction launched by a previous TSO server.

Specified by:

tryInvalidateTransaction in interface CommitTable.Client

Parameters:

startTimestamp - the transaction to invalidate

Returns:

true on success and false on failure