Package com.palantir.atlasdb.cell.api

Interface DataKeyValueService

public interface DataKeyValueService

Key-Value API to be used with user data tables. Close cousin of KeyValueService but severely restricts the API available to transactions.

Method Summary

Modifier and Type	Method	Description
com.google.common.util.concurrent.ListenableFuture<Map<Cell,Value>>	getAsync(TableReference tableRef, Map<Cell,Long> timestampByCell)
Map<RangeRequest,com.palantir.util.paging.TokenBackedBasicResultsPage<RowResult<Value>,byte[]>>	getFirstBatchForRanges(TableReference tableRef, Iterable<RangeRequest> rangeRequests, long timestamp)
Map<Cell,Long>	getLatestTimestamps(TableReference tableRef, Map<Cell,Long> timestampByCell)
com.palantir.common.base.ClosableIterator<RowResult<Value>>	getRange(TableReference tableRef, RangeRequest rangeRequest, long timestamp)
Map<Cell,Value>	getRows(TableReference tableRef, Iterable<byte[]> rows, ColumnSelection columnSelection, long timestamp)
Map<byte[],RowColumnRangeIterator>	getRowsColumnRange(TableReference tableRef, Iterable<byte[]> rows, BatchColumnRangeSelection batchColumnRangeSelection, long timestamp)
RowColumnRangeIterator	getRowsColumnRange(TableReference tableRef, Iterable<byte[]> rows, ColumnRangeSelection columnRangeSelection, int cellBatchHint, long timestamp)
boolean	isValid(long timestamp)	Returns whether this transaction key value service is guaranteed to be a source of truth for the broader system at the given timestamp.
void	multiPut(Map<TableReference,? extends Map<Cell,byte[]>> valuesByTable, long timestamp)

Method Details

getFirstBatchForRanges

Map<RangeRequest,com.palantir.util.paging.TokenBackedBasicResultsPage<RowResult<Value>,byte[]>> getFirstBatchForRanges(TableReference tableRef,
 Iterable<RangeRequest> rangeRequests,
 long timestamp)

getRows

Map<Cell,Value> getRows(TableReference tableRef,
 Iterable<byte[]> rows,
 ColumnSelection columnSelection,
 long timestamp)

getRowsColumnRange

Map<byte[],RowColumnRangeIterator> getRowsColumnRange(TableReference tableRef,
 Iterable<byte[]> rows,
 BatchColumnRangeSelection batchColumnRangeSelection,
 long timestamp)

getRowsColumnRange

RowColumnRangeIterator getRowsColumnRange(TableReference tableRef,
 Iterable<byte[]> rows,
 ColumnRangeSelection columnRangeSelection,
 int cellBatchHint,
 long timestamp)

getRange

@MustBeClosed
com.palantir.common.base.ClosableIterator<RowResult<Value>> getRange(TableReference tableRef,
 RangeRequest rangeRequest,
 long timestamp)

getAsync

com.google.common.util.concurrent.ListenableFuture<Map<Cell,Value>> getAsync(TableReference tableRef,
 Map<Cell,Long> timestampByCell)

getLatestTimestamps

Map<Cell,Long> getLatestTimestamps(TableReference tableRef,
 Map<Cell,Long> timestampByCell)

multiPut

void multiPut(Map<TableReference,? extends Map<Cell,byte[]>> valuesByTable,
 long timestamp)
       throws KeyAlreadyExistsException

Throws:

KeyAlreadyExistsException

isValid

boolean isValid(long timestamp)

Returns whether this transaction key value service is guaranteed to be a source of truth for the broader system at the given timestamp.