本文整理汇总了Java中org.apache.hadoop.hdfs.util.Holder类的典型用法代码示例。如果您正苦于以下问题：Java Holder类的具体用法？Java Holder怎么用？Java Holder使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
Holder类属于org.apache.hadoop.hdfs.util包，在下文中一共展示了Holder类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: testReadURL
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
@Test
public void testReadURL() throws Exception {
HttpURLConnection conn = mock(HttpURLConnection.class);
doReturn(new ByteArrayInputStream(FAKE_LOG_DATA)).when(conn).getInputStream();
doReturn(HttpURLConnection.HTTP_OK).when(conn).getResponseCode();
doReturn(Integer.toString(FAKE_LOG_DATA.length)).when(conn).getHeaderField("Content-Length");
URLConnectionFactory factory = mock(URLConnectionFactory.class);
doReturn(conn).when(factory).openConnection(Mockito.<URL> any(),
anyBoolean());
URL url = new URL("http://localhost/fakeLog");
EditLogInputStream elis = EditLogFileInputStream.fromUrl(factory, url,
HdfsConstants.INVALID_TXID, HdfsConstants.INVALID_TXID, false);
// Read the edit log and verify that we got all of the data.
EnumMap<FSEditLogOpCodes, Holder<Integer>> counts = FSImageTestUtil
.countEditLogOpTypes(elis);
assertThat(counts.get(FSEditLogOpCodes.OP_ADD).held, is(1));
assertThat(counts.get(FSEditLogOpCodes.OP_SET_GENSTAMP_V1).held, is(1));
assertThat(counts.get(FSEditLogOpCodes.OP_CLOSE).held, is(1));
// Check that length header was picked up.
assertEquals(FAKE_LOG_DATA.length, elis.length());
elis.close();
}
开发者ID:naver，项目名称:hadoop，代码行数:26，代码来源:TestEditLogFileInputStream.java
示例2: countEditLogOpTypes
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
/**
* @see #countEditLogOpTypes(File)
*/
public static EnumMap<FSEditLogOpCodes, Holder<Integer>> countEditLogOpTypes(
EditLogInputStream elis) throws IOException {
EnumMap<FSEditLogOpCodes, Holder<Integer>> opCounts =
new EnumMap<FSEditLogOpCodes, Holder<Integer>>(FSEditLogOpCodes.class);
FSEditLogOp op;
while ((op = elis.readOp()) != null) {
Holder<Integer> i = opCounts.get(op.opCode);
if (i == null) {
i = new Holder<Integer>(0);
opCounts.put(op.opCode, i);
}
i.held++;
}
return opCounts;
}
开发者ID:naver，项目名称:hadoop，代码行数:20，代码来源:FSImageTestUtil.java
示例3: writeSegmentUntilCrash
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
private long writeSegmentUntilCrash(MiniJournalCluster cluster,
QuorumJournalManager qjm, long txid, int numTxns, Holder<Throwable> thrown) {
long firstTxId = txid;
long lastAcked = txid - 1;
try {
EditLogOutputStream stm = qjm.startLogSegment(txid,
NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION);
for (int i = 0; i < numTxns; i++) {
QJMTestUtil.writeTxns(stm, txid++, 1);
lastAcked++;
}
stm.close();
qjm.finalizeLogSegment(firstTxId, lastAcked);
} catch (Throwable t) {
thrown.held = t;
}
return lastAcked;
}
开发者ID:naver，项目名称:hadoop，代码行数:22，代码来源:TestQJMWithFaults.java
示例4: testReadURL
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
@Test
public void testReadURL() throws Exception {
HttpURLConnection conn = mock(HttpURLConnection.class);
doReturn(new ByteArrayInputStream(FAKE_LOG_DATA)).when(conn).getInputStream();
doReturn(HttpURLConnection.HTTP_OK).when(conn).getResponseCode();
doReturn(Integer.toString(FAKE_LOG_DATA.length)).when(conn).getHeaderField("Content-Length");
URLConnectionFactory factory = mock(URLConnectionFactory.class);
doReturn(conn).when(factory).openConnection(Mockito.<URL> any(),
anyBoolean());
URL url = new URL("http://localhost/fakeLog");
EditLogInputStream elis = EditLogFileInputStream.fromUrl(factory, url,
HdfsServerConstants.INVALID_TXID, HdfsServerConstants.INVALID_TXID, false);
// Read the edit log and verify that we got all of the data.
EnumMap<FSEditLogOpCodes, Holder<Integer>> counts = FSImageTestUtil
.countEditLogOpTypes(elis);
assertThat(counts.get(FSEditLogOpCodes.OP_ADD).held, is(1));
assertThat(counts.get(FSEditLogOpCodes.OP_SET_GENSTAMP_V1).held, is(1));
assertThat(counts.get(FSEditLogOpCodes.OP_CLOSE).held, is(1));
// Check that length header was picked up.
assertEquals(FAKE_LOG_DATA.length, elis.length());
elis.close();
}
开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:26，代码来源:TestEditLogFileInputStream.java
示例5: writeSegmentUntilCrash
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
private long writeSegmentUntilCrash(MiniJournalCluster cluster,
QuorumJournalManager qjm, long txid, int numTxns, Holder<Throwable> thrown) {
long firstTxId = txid;
long lastAcked = txid - 1;
try {
EditLogOutputStream stm = qjm.startLogSegment(txid);
for (int i = 0; i < numTxns; i++) {
QJMTestUtil.writeTxns(stm, txid++, 1);
lastAcked++;
}
stm.close();
qjm.finalizeLogSegment(firstTxId, lastAcked);
} catch (Throwable t) {
thrown.held = t;
}
return lastAcked;
}
开发者ID:rhli，项目名称:hadoop-EAR，代码行数:21，代码来源:TestQJMWithFaults.java
示例6: testReadURL
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
@Test
public void testReadURL() throws Exception {
// Start a simple web server which hosts the log data.
HttpServer server = new HttpServer("test", "0.0.0.0", 0, true);
server.start();
try {
server.addServlet("fakeLog", "/fakeLog", FakeLogServlet.class);
URL url = new URL("http://localhost:" + server.getPort() + "/fakeLog");
EditLogInputStream elis = EditLogFileInputStream.fromUrl(
url, HdfsConstants.INVALID_TXID, HdfsConstants.INVALID_TXID,
false);
// Read the edit log and verify that we got all of the data.
EnumMap<FSEditLogOpCodes, Holder<Integer>> counts =
FSImageTestUtil.countEditLogOpTypes(elis);
assertThat(counts.get(FSEditLogOpCodes.OP_ADD).held, is(1));
assertThat(counts.get(FSEditLogOpCodes.OP_SET_GENSTAMP_V1).held, is(1));
assertThat(counts.get(FSEditLogOpCodes.OP_CLOSE).held, is(1));
// Check that length header was picked up.
assertEquals(FAKE_LOG_DATA.length, elis.length());
elis.close();
} finally {
server.stop();
}
}
开发者ID:ict-carch，项目名称:hadoop-plus，代码行数:26，代码来源:TestEditLogFileInputStream.java
示例7: dumpOpCounts
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
private static void dumpOpCounts(
EnumMap<FSEditLogOpCodes, Holder<Integer>> opCounts) {
StringBuilder sb = new StringBuilder();
sb.append("Summary of operations loaded from edit log:\n ");
Joiner.on("\n ").withKeyValueSeparator("=").appendTo(sb, opCounts);
FSImage.LOG.debug(sb.toString());
}
开发者ID:naver，项目名称:hadoop，代码行数:8，代码来源:FSEditLogLoader.java
示例8: incrOpCount
import org.apache.hadoop.hdfs.util.Holder; //导入依赖的package包/类
private void incrOpCount(FSEditLogOpCodes opCode,
EnumMap<FSEditLogOpCodes, Holder<Integer>> opCounts, Step step,
Counter counter) {
Holder<Integer> holder = opCounts.get(opCode);
if (holder == null) {
holder = new Holder<Integer>(1);
opCounts.put(opCode, holder);
} else {
holder.held++;
}
counter.increment();
}
开发者ID:naver，项目名称:hadoop，代码行数:13，代码来源:FSEditLogLoader.java
注：本文中的org.apache.hadoop.hdfs.util.Holder类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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