/**
* 遍历多行
*
* @param tableName 表名
* @param start_rowkey 开始行键
* @param stop_rowkey 结束行键
* @return 行列表
*/
public ArrayList<HbaseRow> scanRows(String tableName, String start_rowkey, String stop_rowkey) {
ResultScanner rowstmp = null;
ArrayList<HbaseRow> rows = null;
try {
Scan scan = new Scan();
scan.setStartRow(Bytes.toBytes(start_rowkey));
scan.setStopRow(Bytes.toBytes(stop_rowkey));
HTable table = new HTable(conf, Bytes.toBytes(tableName));
rowstmp = table.getScanner(scan);
rows = new ArrayList<>();
for (Result rowtmp : rowstmp) {
HbaseRow row = new HbaseRow();
row.rowkey = Bytes.toString(rowtmp.getRow());
for (Cell cell : rowtmp.listCells()) {
HbaseColumn col = new HbaseColumn(cell);
row.cols.add(col);
}
rows.add(row);
}
} catch (Exception e) {
logger.error("scanRows failed", e);
} finally {
rowstmp.close();
}
return rows;
}
/**
* 查询单行
*
* @param tableName 表名
* @param rowKey 行键名
* @return 行
*/
public HbaseRow getRow(String tableName, String rowKey) {
HbaseRow row = null;
try {
Get get = new Get(Bytes.toBytes(rowKey));
HTable table = new HTable(conf, Bytes.toBytes(tableName)); // 获取表
Result rowtmp = table.get(get);
row = new HbaseRow();
row.rowkey = Bytes.toString(rowtmp.getRow());
for (Cell cell : rowtmp.listCells()) {
HbaseColumn col = new HbaseColumn(cell);
row.cols.add(col);
}
} catch (Exception e) {
logger.error("getRow failed", e);
}
return row;
}