Examples with FSTableDescriptors org.apache.hadoop.hbase.util.FSTableDescriptors used on opensource projects

Example 21 with FSTableDescriptors

use of org.apache.hadoop.hbase.util.FSTableDescriptors in project hbase by apache.

the class TestReadAndWriteRegionInfoFile method testReadAndWriteRegionInfoFile.

@Test
public void testReadAndWriteRegionInfoFile() throws IOException, InterruptedException {
    RegionInfo ri = RegionInfoBuilder.FIRST_META_REGIONINFO;
    // Create a region. That'll write the .regioninfo file.
    FSTableDescriptors fsTableDescriptors = new FSTableDescriptors(FS, ROOT_DIR);
    FSTableDescriptors.tryUpdateAndGetMetaTableDescriptor(CONF, FS, ROOT_DIR);
    HRegion r = HBaseTestingUtil.createRegionAndWAL(ri, ROOT_DIR, CONF, fsTableDescriptors.get(TableName.META_TABLE_NAME));
    // Get modtime on the file.
    long modtime = getModTime(r);
    HBaseTestingUtil.closeRegionAndWAL(r);
    Thread.sleep(1001);
    r = HRegion.openHRegion(ROOT_DIR, ri, fsTableDescriptors.get(TableName.META_TABLE_NAME), null, CONF);
    // Ensure the file is not written for a second time.
    long modtime2 = getModTime(r);
    assertEquals(modtime, modtime2);
    // Now load the file.
    HRegionFileSystem.loadRegionInfoFileContent(r.getRegionFileSystem().getFileSystem(), r.getRegionFileSystem().getRegionDir());
    HBaseTestingUtil.closeRegionAndWAL(r);
}