org.apache.omid.committable

Interface CommitTable.Client

All Known Implementing Classes:

InMemoryCommitTable.Client, NullCommitTable.Client

Enclosing interface:

CommitTable

public static interface CommitTable.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.

Method Detail

getCommitTimestamp

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.

Parameters:

startTimestamp - the transaction start timestamp

Returns:

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

readLowWatermark

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

deleteCommitEntry

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

tryInvalidateTransaction

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.

Parameters:

startTimeStamp - the transaction to invalidate

Returns:

true on success and false on failure