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Java PagingState.deserialize方法代码示例

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);
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:38，代码来源:ResultSet.java

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);
}
开发者ID:pgaref，项目名称:ACaZoo，代码行数:38，代码来源:ResultSet.java

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);
}
开发者ID:scylladb，项目名称:scylla-tools-java，代码行数:38，代码来源:ResultSet.java

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);
}
开发者ID:scylladb，项目名称:scylla-tools-java，代码行数:9，代码来源:QueryPagerTest.java

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);
}
开发者ID:rajath26，项目名称:cassandra-trunk，代码行数:38，代码来源:ResultSet.java

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);
}
开发者ID:Netflix，项目名称:sstable-adaptor，代码行数:48，代码来源:QueryOptions.java

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);
}
开发者ID:scylladb，项目名称:scylla-tools-java，代码行数:46，代码来源:QueryOptions.java


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