本文整理汇总了Java中org.apache.cassandra.io.util.DataOutputBuffer.buffer方法的典型用法代码示例。如果您正苦于以下问题：Java DataOutputBuffer.buffer方法的具体用法？Java DataOutputBuffer.buffer怎么用？Java DataOutputBuffer.buffer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.buffer方法的3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: testSerializer
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
@Test
public void testSerializer() throws IOException
{
long now = FBUtilities.timestampMicros();
Mutation mutation = createMutation("testSerializer", now);
Hint hint = Hint.create(mutation, now / 1000);
// serialize
int serializedSize = (int) Hint.serializer.serializedSize(hint, MessagingService.current_version);
DataOutputBuffer dob = new DataOutputBuffer();
Hint.serializer.serialize(hint, dob, MessagingService.current_version);
assertEquals(serializedSize, dob.getLength());
// deserialize
DataInputPlus di = new DataInputBuffer(dob.buffer(), true);
Hint deserializedHint = Hint.serializer.deserialize(di, MessagingService.current_version);
// compare before/after
assertHintsEqual(hint, deserializedHint);
}
示例2: testSerializer
import org.apache.cassandra.io.util.DataOutputBuffer; //导入方法依赖的package包/类
@Test
public void testSerializer() throws IOException
{
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE, KeyspaceParams.simple(1), SchemaLoader.standardCFMD(KEYSPACE, TABLE));
UUID hostId = UUID.randomUUID();
long now = FBUtilities.timestampMicros();
CFMetaData table = Schema.instance.getCFMetaData(KEYSPACE, TABLE);
Mutation mutation =
new RowUpdateBuilder(table, now, bytes("key"))
.clustering("column")
.add("val", "val" + 1234)
.build();
Hint hint = Hint.create(mutation, now / 1000);
HintMessage message = new HintMessage(hostId, hint);
// serialize
int serializedSize = (int) HintMessage.serializer.serializedSize(message, MessagingService.current_version);
DataOutputBuffer dob = new DataOutputBuffer();
HintMessage.serializer.serialize(message, dob, MessagingService.current_version);
assertEquals(serializedSize, dob.getLength());
// deserialize
DataInputPlus di = new DataInputBuffer(dob.buffer(), true);
HintMessage deserializedMessage = HintMessage.serializer.deserialize(di, MessagingService.current_version);
// compare before/after
assertEquals(hostId, deserializedMessage.hostId);
assertHintsEqual(message.hint, deserializedMessage.hint);
}
示例3: 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));
}