org.apache.omid.transaction

Interface CommitTimestampLocator

public interface CommitTimestampLocator

An behavior that needs to be implemented by transaction managers to try to locate the possible commit timestamp for a cell. It allows to the transaction managers implementing this interface to search the commit timestamp in a local cache of their own or in their particular shadow cells implementation.

Method Summary

Modifier and Type	Method and Description
org.apache.phoenix.thirdparty.com.google.common.base.Optional<Long>	readCommitTimestampFromCache(long startTimestamp)
org.apache.phoenix.thirdparty.com.google.common.base.Optional<Long>	readCommitTimestampFromShadowCell(long startTimestamp)

Method Detail

readCommitTimestampFromCache

org.apache.phoenix.thirdparty.com.google.common.base.Optional<Long> readCommitTimestampFromCache(long startTimestamp)

readCommitTimestampFromShadowCell

org.apache.phoenix.thirdparty.com.google.common.base.Optional<Long> readCommitTimestampFromShadowCell(long startTimestamp)
                                                                                               throws IOException

Throws:

IOException