本文整理汇总了Java中org.apache.cassandra.io.util.DataOutputBuffer.getLength方法的典型用法代码示例。如果您正苦于以下问题:Java DataOutputBuffer.getLength方法的具体用法?Java DataOutputBuffer.getLength怎么用?Java DataOutputBuffer.getLength使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.io.util.DataOutputBuffer
的用法示例。
在下文中一共展示了DataOutputBuffer.getLength方法的7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,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: test
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
@Test
public void test() throws IOException
{
InetAddress endpoint = InetAddress.getByName("127.0.0.1");
int generation = 0;
int maxVersion = 123;
GossipDigest expected = new GossipDigest(endpoint, generation, maxVersion);
//make sure we get the same values out
assertEquals(endpoint, expected.getEndpoint());
assertEquals(generation, expected.getGeneration());
assertEquals(maxVersion, expected.getMaxVersion());
//test the serialization and equals
DataOutputBuffer output = new DataOutputBuffer();
GossipDigest.serializer.serialize(expected, output, MessagingService.current_version);
ByteArrayInputStream input = new ByteArrayInputStream(output.getData(), 0, output.getLength());
GossipDigest actual = GossipDigest.serializer.deserialize(new DataInputStream(input), MessagingService.current_version);
assertEquals(0, expected.compareTo(actual));
}
示例2: test
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
@Test
public void test() throws IOException
{
InetAddress endpoint = InetAddress.getByName("127.0.0.1");
int generation = 0;
int maxVersion = 123;
GossipDigest expected = new GossipDigest(endpoint, generation, maxVersion);
//make sure we get the same values out
assertEquals(endpoint, expected.getEndpoint());
assertEquals(generation, expected.getGeneration());
assertEquals(maxVersion, expected.getMaxVersion());
//test the serialization and equals
DataOutputBuffer output = new DataOutputBuffer();
GossipDigest.serializer().serialize(expected, output, MessagingService.version_);
ByteArrayInputStream input = new ByteArrayInputStream(output.getData(), 0, output.getLength());
GossipDigest actual = GossipDigest.serializer().deserialize(new DataInputStream(input), MessagingService.version_);
assertEquals(0, expected.compareTo(actual));
}
示例3: serializeAndDeserializeReadMessage
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
private ReadCommand serializeAndDeserializeReadMessage(ReadCommand rm) throws IOException
{
ReadCommandSerializer rms = ReadCommand.serializer;
DataOutputBuffer out = new DataOutputBuffer();
ByteArrayInputStream bis;
rms.serialize(rm, out, MessagingService.current_version);
bis = new ByteArrayInputStream(out.getData(), 0, out.getLength());
return rms.deserialize(new DataInputStream(bis), MessagingService.current_version);
}
示例4: serializeAndDeserializeReadMessage
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
private ReadCommand serializeAndDeserializeReadMessage(ReadCommand rm) throws IOException
{
ReadCommandSerializer rms = ReadCommand.serializer;
DataOutputBuffer dos = new DataOutputBuffer();
ByteArrayInputStream bis;
rms.serialize(rm, dos, MessagingService.current_version);
bis = new ByteArrayInputStream(dos.getData(), 0, dos.getLength());
return rms.deserialize(new DataInputStream(bis), MessagingService.current_version);
}
示例5: serializeAndDeserializeReadMessage
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
private ReadCommand serializeAndDeserializeReadMessage(ReadCommand rm) throws IOException
{
ReadCommandSerializer rms = ReadCommand.serializer();
DataOutputBuffer dos = new DataOutputBuffer();
ByteArrayInputStream bis;
rms.serialize(rm, dos, MessagingService.version_);
bis = new ByteArrayInputStream(dos.getData(), 0, dos.getLength());
return rms.deserialize(new DataInputStream(bis), MessagingService.version_);
}
示例6: uncompress
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
private static String uncompress(ByteBuffer query, Compression compression) throws InvalidRequestException
{
String queryString = null;
// Decompress the query string.
try
{
switch (compression)
{
case GZIP:
DataOutputBuffer decompressed = new DataOutputBuffer();
byte[] outBuffer = new byte[1024], inBuffer = new byte[1024];
Inflater decompressor = new Inflater();
int lenRead = 0;
while (true)
{
if (decompressor.needsInput())
lenRead = query.remaining() < 1024 ? query.remaining() : 1024;
query.get(inBuffer, 0, lenRead);
decompressor.setInput(inBuffer, 0, lenRead);
int lenWrite = 0;
while ((lenWrite = decompressor.inflate(outBuffer)) != 0)
decompressed.write(outBuffer, 0, lenWrite);
if (decompressor.finished())
break;
}
decompressor.end();
queryString = new String(decompressed.getData(), 0, decompressed.getLength(), StandardCharsets.UTF_8);
break;
case NONE:
try
{
queryString = ByteBufferUtil.string(query);
}
catch (CharacterCodingException ex)
{
throw new InvalidRequestException(ex.getMessage());
}
break;
}
}
catch (DataFormatException e)
{
throw new InvalidRequestException("Error deflating query string.");
}
return queryString;
}
示例7: testArtificialIndexOf
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
@Test
public void testArtificialIndexOf() throws IOException
{
CFMetaData cfMeta = CFMetaData.compile("CREATE TABLE pipe.dev_null (pk bigint, ck bigint, val text, PRIMARY KEY(pk, ck))", "foo");
DeletionTime deletionInfo = new DeletionTime(FBUtilities.timestampMicros(), FBUtilities.nowInSeconds());
SerializationHeader header = new SerializationHeader(true, cfMeta, cfMeta.partitionColumns(), EncodingStats.NO_STATS);
IndexHelper.IndexInfo.Serializer indexSerializer = new IndexHelper.IndexInfo.Serializer(cfMeta, BigFormat.latestVersion, header);
DataOutputBuffer dob = new DataOutputBuffer();
dob.writeUnsignedVInt(0);
DeletionTime.serializer.serialize(DeletionTime.LIVE, dob);
dob.writeUnsignedVInt(3);
int off0 = dob.getLength();
indexSerializer.serialize(new IndexHelper.IndexInfo(cn(0L), cn(5L), 0, 0, deletionInfo), dob);
int off1 = dob.getLength();
indexSerializer.serialize(new IndexHelper.IndexInfo(cn(10L), cn(15L), 0, 0, deletionInfo), dob);
int off2 = dob.getLength();
indexSerializer.serialize(new IndexHelper.IndexInfo(cn(20L), cn(25L), 0, 0, deletionInfo), dob);
dob.writeInt(off0);
dob.writeInt(off1);
dob.writeInt(off2);
@SuppressWarnings("resource") DataOutputBuffer dobRie = new DataOutputBuffer();
dobRie.writeUnsignedVInt(42L);
dobRie.writeUnsignedVInt(dob.getLength());
dobRie.write(dob.buffer());
ByteBuffer buf = dobRie.buffer();
RowIndexEntry<IndexHelper.IndexInfo> rie = new RowIndexEntry.Serializer(cfMeta, BigFormat.latestVersion, header).deserialize(new DataInputBuffer(buf, false));
Assert.assertEquals(42L, rie.position);
Assert.assertEquals(0, IndexHelper.indexFor(cn(-1L), rie.columnsIndex(), comp, false, -1));
Assert.assertEquals(0, IndexHelper.indexFor(cn(5L), rie.columnsIndex(), comp, false, -1));
Assert.assertEquals(1, IndexHelper.indexFor(cn(12L), rie.columnsIndex(), comp, false, -1));
Assert.assertEquals(2, IndexHelper.indexFor(cn(17L), rie.columnsIndex(), comp, false, -1));
Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, -1));
Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 0));
Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 1));
Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 2));
Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 3));
Assert.assertEquals(-1, IndexHelper.indexFor(cn(-1L), rie.columnsIndex(), comp, true, -1));
Assert.assertEquals(0, IndexHelper.indexFor(cn(5L), rie.columnsIndex(), comp, true, 3));
Assert.assertEquals(0, IndexHelper.indexFor(cn(5L), rie.columnsIndex(), comp, true, 2));
Assert.assertEquals(1, IndexHelper.indexFor(cn(17L), rie.columnsIndex(), comp, true, 3));
Assert.assertEquals(2, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 3));
Assert.assertEquals(2, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 4));
Assert.assertEquals(1, IndexHelper.indexFor(cn(12L), rie.columnsIndex(), comp, true, 3));
Assert.assertEquals(1, IndexHelper.indexFor(cn(12L), rie.columnsIndex(), comp, true, 2));
Assert.assertEquals(1, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 1));
Assert.assertEquals(2, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 2));
}