本文整理了Java中com.palantir.common.streams.KeyedStream.mapKeys()
方法的一些代码示例,展示了KeyedStream.mapKeys()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。KeyedStream.mapKeys()
方法的具体详情如下:
包路径:com.palantir.common.streams.KeyedStream
类名称:KeyedStream
方法名:mapKeys
暂无
代码示例来源:origin: palantir/atlasdb
@Override
public Map<TableReference, Long> getWatermarks(Set<TableReference> tableReferences) {
Set<Cell> cells = tableReferences.stream().map(table -> cell(table)).collect(Collectors.toSet());
Map<Cell, Value> fetched = kvs.get(CLEARS, Maps.asMap(cells, ignored -> Long.MAX_VALUE));
return KeyedStream.stream(fetched)
.map((cell, value) -> RowResult.of(cell, value.getContents()))
.map(TableClearsRowResult::of)
.mapKeys((cell, rowResult) -> tableRef(rowResult.getRowName()))
.map(TableClearsRowResult::getLastClearedTimestamp)
.collectToMap();
}
代码示例来源:origin: com.palantir.atlasdb/atlasdb-impl-shared
@Override
public Map<TableReference, Long> getWatermarks(Set<TableReference> tableReferences) {
Set<Cell> cells = tableReferences.stream().map(table -> cell(table)).collect(Collectors.toSet());
Map<Cell, Value> fetched = kvs.get(CLEARS, Maps.asMap(cells, ignored -> Long.MAX_VALUE));
return KeyedStream.stream(fetched)
.map((cell, value) -> RowResult.of(cell, value.getContents()))
.map(TableClearsRowResult::of)
.mapKeys((cell, rowResult) -> tableRef(rowResult.getRowName()))
.map(TableClearsRowResult::getLastClearedTimestamp)
.collectToMap();
}
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