本文整理汇总了Java中org.apache.cassandra.service.pager.PagingState.deserialize方法的典型用法代码示例。如果您正苦于以下问题:Java PagingState.deserialize方法的具体用法?Java PagingState.deserialize怎么用?Java PagingState.deserialize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.service.pager.PagingState
的用法示例。
在下文中一共展示了PagingState.deserialize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: decode
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
public Metadata decode(ByteBuf body, int version)
{
// flags & column count
int iflags = body.readInt();
int columnCount = body.readInt();
EnumSet<Flag> flags = Flag.deserialize(iflags);
PagingState state = null;
if (flags.contains(Flag.HAS_MORE_PAGES))
state = PagingState.deserialize(CBUtil.readValue(body));
if (flags.contains(Flag.NO_METADATA))
return new Metadata(flags, null, columnCount, state);
boolean globalTablesSpec = flags.contains(Flag.GLOBAL_TABLES_SPEC);
String globalKsName = null;
String globalCfName = null;
if (globalTablesSpec)
{
globalKsName = CBUtil.readString(body);
globalCfName = CBUtil.readString(body);
}
// metadata (names/types)
List<ColumnSpecification> names = new ArrayList<ColumnSpecification>(columnCount);
for (int i = 0; i < columnCount; i++)
{
String ksName = globalTablesSpec ? globalKsName : CBUtil.readString(body);
String cfName = globalTablesSpec ? globalCfName : CBUtil.readString(body);
ColumnIdentifier colName = new ColumnIdentifier(CBUtil.readString(body), true);
AbstractType type = DataType.toType(DataType.codec.decodeOne(body, version));
names.add(new ColumnSpecification(ksName, cfName, colName, type));
}
return new Metadata(flags, names, names.size(), state);
}
示例2: decode
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
public Metadata decode(ChannelBuffer body, int version)
{
// flags & column count
int iflags = body.readInt();
int columnCount = body.readInt();
EnumSet<Flag> flags = Flag.deserialize(iflags);
PagingState state = null;
if (flags.contains(Flag.HAS_MORE_PAGES))
state = PagingState.deserialize(CBUtil.readValue(body));
if (flags.contains(Flag.NO_METADATA))
return new Metadata(flags, columnCount).setHasMorePages(state);
boolean globalTablesSpec = flags.contains(Flag.GLOBAL_TABLES_SPEC);
String globalKsName = null;
String globalCfName = null;
if (globalTablesSpec)
{
globalKsName = CBUtil.readString(body);
globalCfName = CBUtil.readString(body);
}
// metadata (names/types)
List<ColumnSpecification> names = new ArrayList<ColumnSpecification>(columnCount);
for (int i = 0; i < columnCount; i++)
{
String ksName = globalTablesSpec ? globalKsName : CBUtil.readString(body);
String cfName = globalTablesSpec ? globalCfName : CBUtil.readString(body);
ColumnIdentifier colName = new ColumnIdentifier(CBUtil.readString(body), true);
AbstractType type = DataType.toType(DataType.codec.decodeOne(body));
names.add(new ColumnSpecification(ksName, cfName, colName, type));
}
return new Metadata(flags, names).setHasMorePages(state);
}
示例3: decode
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
public ResultMetadata decode(ByteBuf body, int version)
{
// flags & column count
int iflags = body.readInt();
int columnCount = body.readInt();
EnumSet<Flag> flags = Flag.deserialize(iflags);
PagingState state = null;
if (flags.contains(Flag.HAS_MORE_PAGES))
state = PagingState.deserialize(CBUtil.readValue(body), version);
if (flags.contains(Flag.NO_METADATA))
return new ResultMetadata(flags, null, columnCount, state);
boolean globalTablesSpec = flags.contains(Flag.GLOBAL_TABLES_SPEC);
String globalKsName = null;
String globalCfName = null;
if (globalTablesSpec)
{
globalKsName = CBUtil.readString(body);
globalCfName = CBUtil.readString(body);
}
// metadata (names/types)
List<ColumnSpecification> names = new ArrayList<ColumnSpecification>(columnCount);
for (int i = 0; i < columnCount; i++)
{
String ksName = globalTablesSpec ? globalKsName : CBUtil.readString(body);
String cfName = globalTablesSpec ? globalCfName : CBUtil.readString(body);
ColumnIdentifier colName = new ColumnIdentifier(CBUtil.readString(body), true);
AbstractType type = DataType.toType(DataType.codec.decodeOne(body, version));
names.add(new ColumnSpecification(ksName, cfName, colName, type));
}
return new ResultMetadata(flags, names, names.size(), state);
}
示例4: maybeRecreate
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
private QueryPager maybeRecreate(QueryPager pager, ReadQuery command, boolean testPagingState, int protocolVersion)
{
if (!testPagingState)
return pager;
PagingState state = PagingState.deserialize(pager.state().serialize(protocolVersion), protocolVersion);
return command.getPager(state, protocolVersion);
}
示例5: decode
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
public Metadata decode(ByteBuf body, int version)
{
// flags & column count
int iflags = body.readInt();
int columnCount = body.readInt();
EnumSet<Flag> flags = Flag.deserialize(iflags);
PagingState state = null;
if (flags.contains(Flag.HAS_MORE_PAGES))
state = PagingState.deserialize(CBUtil.readValue(body));
if (flags.contains(Flag.NO_METADATA))
return new Metadata(flags, columnCount).setHasMorePages(state);
boolean globalTablesSpec = flags.contains(Flag.GLOBAL_TABLES_SPEC);
String globalKsName = null;
String globalCfName = null;
if (globalTablesSpec)
{
globalKsName = CBUtil.readString(body);
globalCfName = CBUtil.readString(body);
}
// metadata (names/types)
List<ColumnSpecification> names = new ArrayList<ColumnSpecification>(columnCount);
for (int i = 0; i < columnCount; i++)
{
String ksName = globalTablesSpec ? globalKsName : CBUtil.readString(body);
String cfName = globalTablesSpec ? globalCfName : CBUtil.readString(body);
ColumnIdentifier colName = new ColumnIdentifier(CBUtil.readString(body), true);
AbstractType type = DataType.toType(DataType.codec.decodeOne(body));
names.add(new ColumnSpecification(ksName, cfName, colName, type));
}
return new Metadata(flags, names).setHasMorePages(state);
}
示例6: decode
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
public QueryOptions decode(ByteBuf body, ProtocolVersion version)
{
ConsistencyLevel consistency = CBUtil.readConsistencyLevel(body);
EnumSet<Flag> flags = Flag.deserialize(version.isGreaterOrEqualTo(ProtocolVersion.V5)
? (int)body.readUnsignedInt()
: (int)body.readByte());
List<ByteBuffer> values = Collections.<ByteBuffer>emptyList();
List<String> names = null;
if (flags.contains(Flag.VALUES))
{
if (flags.contains(Flag.NAMES_FOR_VALUES))
{
Pair<List<String>, List<ByteBuffer>> namesAndValues = CBUtil.readNameAndValueList(body, version);
names = namesAndValues.left;
values = namesAndValues.right;
}
else
{
values = CBUtil.readValueList(body, version);
}
}
boolean skipMetadata = flags.contains(Flag.SKIP_METADATA);
flags.remove(Flag.VALUES);
flags.remove(Flag.SKIP_METADATA);
SpecificOptions options = SpecificOptions.DEFAULT;
if (!flags.isEmpty())
{
int pageSize = flags.contains(Flag.PAGE_SIZE) ? body.readInt() : -1;
PagingState pagingState = flags.contains(Flag.PAGING_STATE) ? PagingState.deserialize(CBUtil.readValue(body), version) : null;
ConsistencyLevel serialConsistency = flags.contains(Flag.SERIAL_CONSISTENCY) ? CBUtil.readConsistencyLevel(body) : ConsistencyLevel.SERIAL;
long timestamp = Long.MIN_VALUE;
if (flags.contains(Flag.TIMESTAMP))
{
long ts = body.readLong();
if (ts == Long.MIN_VALUE)
throw new ProtocolException(String.format("Out of bound timestamp, must be in [%d, %d] (got %d)", Long.MIN_VALUE + 1, Long.MAX_VALUE, ts));
timestamp = ts;
}
options = new SpecificOptions(pageSize, pagingState, serialConsistency, timestamp);
}
DefaultQueryOptions opts = new DefaultQueryOptions(consistency, values, skipMetadata, options, version);
return names == null ? opts : new OptionsWithNames(opts, names);
}
示例7: decode
import org.apache.cassandra.service.pager.PagingState; //导入方法依赖的package包/类
public QueryOptions decode(ByteBuf body, int version)
{
ConsistencyLevel consistency = CBUtil.readConsistencyLevel(body);
EnumSet<Flag> flags = Flag.deserialize((int)body.readByte());
List<ByteBuffer> values = Collections.<ByteBuffer>emptyList();
List<String> names = null;
if (flags.contains(Flag.VALUES))
{
if (flags.contains(Flag.NAMES_FOR_VALUES))
{
Pair<List<String>, List<ByteBuffer>> namesAndValues = CBUtil.readNameAndValueList(body, version);
names = namesAndValues.left;
values = namesAndValues.right;
}
else
{
values = CBUtil.readValueList(body, version);
}
}
boolean skipMetadata = flags.contains(Flag.SKIP_METADATA);
flags.remove(Flag.VALUES);
flags.remove(Flag.SKIP_METADATA);
SpecificOptions options = SpecificOptions.DEFAULT;
if (!flags.isEmpty())
{
int pageSize = flags.contains(Flag.PAGE_SIZE) ? body.readInt() : -1;
PagingState pagingState = flags.contains(Flag.PAGING_STATE) ? PagingState.deserialize(CBUtil.readValue(body), version) : null;
ConsistencyLevel serialConsistency = flags.contains(Flag.SERIAL_CONSISTENCY) ? CBUtil.readConsistencyLevel(body) : ConsistencyLevel.SERIAL;
long timestamp = Long.MIN_VALUE;
if (flags.contains(Flag.TIMESTAMP))
{
long ts = body.readLong();
if (ts == Long.MIN_VALUE)
throw new ProtocolException(String.format("Out of bound timestamp, must be in [%d, %d] (got %d)", Long.MIN_VALUE + 1, Long.MAX_VALUE, ts));
timestamp = ts;
}
options = new SpecificOptions(pageSize, pagingState, serialConsistency, timestamp);
}
DefaultQueryOptions opts = new DefaultQueryOptions(consistency, values, skipMetadata, options, version);
return names == null ? opts : new OptionsWithNames(opts, names);
}