Java Code Examples for org.apache.hadoop.hbase.client.Result#getExists()
The following examples show how to use
org.apache.hadoop.hbase.client.Result#getExists() .
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Example 1
Source File: HBaseResourceStore.java From kylin-on-parquet-v2 with Apache License 2.0 | 6 votes |
private Result internalGetFromHTable(Table table, String path, boolean fetchContent, boolean fetchTimestamp) throws IOException { byte[] rowkey = Bytes.toBytes(path); Get get = new Get(rowkey); if (!fetchContent && !fetchTimestamp) { get.setCheckExistenceOnly(true); } else { if (fetchContent) get.addColumn(B_FAMILY, B_COLUMN); if (fetchTimestamp) get.addColumn(B_FAMILY, B_COLUMN_TS); } Result result = table.get(get); boolean exists = result != null && (!result.isEmpty() || (result.getExists() != null && result.getExists())); return exists ? result : null; }
Example 2
Source File: HBaseResourceStore.java From kylin with Apache License 2.0 | 6 votes |
private Result internalGetFromHTable(Table table, String path, boolean fetchContent, boolean fetchTimestamp) throws IOException { byte[] rowkey = Bytes.toBytes(path); Get get = new Get(rowkey); if (!fetchContent && !fetchTimestamp) { get.setCheckExistenceOnly(true); } else { if (fetchContent) get.addColumn(B_FAMILY, B_COLUMN); if (fetchTimestamp) get.addColumn(B_FAMILY, B_COLUMN_TS); } Result result = table.get(get); boolean exists = result != null && (!result.isEmpty() || (result.getExists() != null && result.getExists())); return exists ? result : null; }
Example 3
Source File: ProtobufUtil.java From hbase with Apache License 2.0 | 6 votes |
/** * Convert a client Result to a protocol buffer Result * * @param result the client Result to convert * @return the converted protocol buffer Result */ public static ClientProtos.Result toResult(final Result result) { if (result.getExists() != null) { return toResult(result.getExists(), result.isStale()); } Cell[] cells = result.rawCells(); if (cells == null || cells.length == 0) { return result.isStale() ? EMPTY_RESULT_PB_STALE : EMPTY_RESULT_PB; } ClientProtos.Result.Builder builder = ClientProtos.Result.newBuilder(); for (Cell c : cells) { builder.addCell(toCell(c)); } builder.setStale(result.isStale()); builder.setPartial(result.mayHaveMoreCellsInRow()); return builder.build(); }
Example 4
Source File: ProtobufUtil.java From hbase with Apache License 2.0 | 5 votes |
/** * Convert a client Result to a protocol buffer Result. * The pb Result does not include the Cell data. That is for transport otherwise. * * @param result the client Result to convert * @return the converted protocol buffer Result */ public static ClientProtos.Result toResultNoData(final Result result) { if (result.getExists() != null) return toResult(result.getExists(), result.isStale()); int size = result.size(); if (size == 0) return result.isStale() ? EMPTY_RESULT_PB_STALE : EMPTY_RESULT_PB; ClientProtos.Result.Builder builder = ClientProtos.Result.newBuilder(); builder.setAssociatedCellCount(size); builder.setStale(result.isStale()); return builder.build(); }