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Java CFDefinition类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.apache.cassandra.cql3.CFDefinition的典型用法代码示例。如果您正苦于以下问题:Java CFDefinition类的具体用法?Java CFDefinition怎么用?Java CFDefinition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。



CFDefinition类属于org.apache.cassandra.cql3包,在下文中一共展示了CFDefinition类的15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: getCfDefinition

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
/** get CFDefinition of a column family */
protected CFDefinition getCfDefinition(String ks, String cf, Cassandra.Client client)
        throws NotFoundException,
        InvalidRequestException,
        TException,
        org.apache.cassandra.exceptions.InvalidRequestException,
        ConfigurationException
{
    KsDef ksDef = client.describe_keyspace(ks);
    for (CfDef cfDef : ksDef.cf_defs)
    {
        if (cfDef.name.equalsIgnoreCase(cf))
            return new CFDefinition(CFMetaData.fromThrift(cfDef));
    }
    return null;
}
 
开发者ID:pgaref,项目名称:ACaZoo,代码行数:17,代码来源:AbstractCassandraStorage.java


示例2: retrieveKeysForThriftTables

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
/** 
 * retrieve the fake partition keys and cluster keys for classic thrift table 
 * use CFDefinition to get keys and columns
 * */
private void retrieveKeysForThriftTables() throws Exception
{
    KsDef ksDef = client.describe_keyspace(keyspace);
    for (CfDef cfDef : ksDef.cf_defs)
    {
        if (cfDef.name.equalsIgnoreCase(cfName))
        {
            CFMetaData cfMeta = CFMetaData.fromThrift(cfDef);
            CFDefinition cfDefinition = new CFDefinition(cfMeta);
            for (ColumnIdentifier columnIdentifier : cfDefinition.keys.keySet())
                partitionBoundColumns.add(new BoundColumn(columnIdentifier.toString()));
            parseKeyValidators(cfDef.key_validation_class);
            return;
        }
    }
}
 
开发者ID:dprguiuc,项目名称:Cassandra-Wasef,代码行数:21,代码来源:CqlPagingRecordReader.java


示例3: retrieveKeysForThriftTables

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
/** 
 * retrieve the fake partition keys and cluster keys for classic thrift table 
 * use CFDefinition to get keys and columns
 * */
private void retrieveKeysForThriftTables(Cassandra.Client client) throws Exception
{
    String keyspace = ConfigHelper.getOutputKeyspace(conf);
    String cfName = ConfigHelper.getOutputColumnFamily(conf);
    KsDef ksDef = client.describe_keyspace(keyspace);
    for (CfDef cfDef : ksDef.cf_defs)
    {
        if (cfDef.name.equalsIgnoreCase(cfName))
        {
            CFMetaData cfMeta = CFMetaData.fromThrift(cfDef);
            CFDefinition cfDefinition = new CFDefinition(cfMeta);
            int i = 0;
            for (ColumnIdentifier column : cfDefinition.keys.keySet())
            {
                partitionKeyColumns[i] = column.toString();
                i++;
            }
            return;
        }
    }
}
 
开发者ID:dprguiuc,项目名称:Cassandra-Wasef,代码行数:26,代码来源:CqlRecordWriter.java


示例4: validateFields

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
public void validateFields(CFMetaData metadata) throws MarshalException
{
    validateName(metadata);
    CFDefinition cfdef = metadata.getCfDef();

    // If this is a CQL table, we need to pull out the CQL column name to look up the correct column type.
    // (Note that COMPACT composites are handled by validateName, above.)
    ByteBuffer internalName;
    internalName = (cfdef.isComposite && !cfdef.isCompact)
                 ? ((CompositeType) metadata.comparator).extractLastComponent(name)
                 : name;

    AbstractType<?> valueValidator = metadata.getValueValidator(internalName);
    if (valueValidator != null)
        valueValidator.validate(value());
}
 
开发者ID:dprguiuc,项目名称:Cassandra-Wasef,代码行数:17,代码来源:Column.java


示例5: HiveRowIterator

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
public HiveRowIterator(RowPosition startPosition, RowPosition endPosition, IPartitioner<?> partitioner, Text[] keyAliasNames, Text[] columnAliasNames,
		ColumnFamilyMetadata metadata, List<String> columnNames, RateLimiter rateLimiter) {
	this.startPosition = startPosition;
	this.endPosition = endPosition;
	this.partitioner = partitioner;
	this.keyAliasNames = keyAliasNames;
	this.columnAliasNames = columnAliasNames;
	this.metadata = metadata;
	this.rateLimiter = rateLimiter;

	// these are all the columns we will send back
	// columns that aren't here aren't required
	for (final String columnName : columnNames) {
		final ByteBuffer bb = CFDefinition.definitionType.fromString(columnName);
		final Text text = new Text(columnName);
		columnNamesMap.put(bb, text);
	}
}
 
开发者ID:richardalow,项目名称:cassowary,代码行数:19,代码来源:HiveRowIterator.java


示例6: getKeyTypes

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
private static AbstractType[] getKeyTypes(CFMetaData cfm)
{
    AbstractType[] types = new AbstractType[cfm.getCfDef().keys.size()];
    int i = 0;
    for (CFDefinition.Name name : cfm.getCfDef().keys.values())
        types[i++] = name.type;
    return types;
}
 
开发者ID:pgaref,项目名称:ACaZoo,代码行数:9,代码来源:TokenFct.java


示例7: validateFields

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
public void validateFields(CFMetaData metadata) throws MarshalException
{
    validateName(metadata);
    CFDefinition cfdef = metadata.getCfDef();

    // If this is a CQL table, we need to pull out the CQL column name to look up the correct column type.
    // (Note that COMPACT composites are handled by validateName, above.)
    ByteBuffer internalName = (cfdef.isComposite && !cfdef.isCompact)
                            ? ((CompositeType) metadata.comparator).extractLastComponent(name)
                            : name;

    AbstractType<?> valueValidator = metadata.getValueValidator(internalName);
    if (valueValidator != null)
        valueValidator.validate(value());
}
 
开发者ID:pgaref,项目名称:ACaZoo,代码行数:16,代码来源:Column.java


示例8: rebuild

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
public CFMetaData rebuild()
{
    /*
     * TODO: There is definitively some repetition between the CQL3  metadata stored in this
     * object (partitionKeyColumns, ...) and the one stored in CFDefinition.
     * Ultimately, we should probably merge both. However, there is enough details to fix that
     * it's worth doing that in a separate issue.
     */
    rebuildCQL3Metadata();
    cqlCfDef = new CFDefinition(this);
    return this;
}
 
开发者ID:pgaref,项目名称:ACaZoo,代码行数:13,代码来源:CFMetaData.java


示例9: getColumnValueConvertor

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
private AbstractType getColumnValueConvertor(final String columnName, final AbstractType defaultType) {
    final ColumnIdentifier colId = new ColumnIdentifier(columnName, false);
    final CFDefinition.Name name = cfd.get(colId);

    if (name == null) {
        return defaultType;
    }

    final AbstractType<?> type = name.type;
    return type != null ? type : defaultType;
}
 
开发者ID:fullcontact,项目名称:hadoop-sstable,代码行数:12,代码来源:JsonColumnParser.java


示例10: addValue

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
private void addValue(GenericRecord record, CFDefinition.Name name, ColumnGroupMap group) {
    if (name.type.isCollection()) {
        // TODO(danchia): support collections
        throw new RuntimeException("Collections not supported yet.");
    } else {
        Column c = group.getSimple(name.name.key);
        addCqlValueToRecord(record, name, (c == null) ? null : c.value());
    }
}
 
开发者ID:Netflix,项目名称:aegisthus,代码行数:10,代码来源:CQLMapper.java


示例11: addCqlValueToRecord

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
private void addCqlValueToRecord(GenericRecord record, CFDefinition.Name name, ByteBuffer value) {
    if (value == null) {
        record.put(name.name.toString(), null);
        return;
    }

    AbstractType<?> type = name.type;
    Object valueDeserialized = type.compose(value);

    AbstractType<?> baseType = (type instanceof ReversedType<?>)
            ? ((ReversedType<?>) type).baseType
            : type;

    /* special case some unsupported CQL3 types to Hive types. */
    if (baseType instanceof UUIDType || baseType instanceof TimeUUIDType) {
        valueDeserialized = ((UUID) valueDeserialized).toString();
    } else if (baseType instanceof BytesType) {
        ByteBuffer buffer = (ByteBuffer) valueDeserialized;
        byte[] data = new byte[buffer.remaining()];
        buffer.get(data);

        valueDeserialized = data;
    } else if (baseType instanceof TimestampType) {
        Date date = (Date) valueDeserialized;
        valueDeserialized = date.getTime();
    }

    //LOG.info("Setting {} type {} to class {}", name.name.toString(), type, valueDeserialized.getClass());

    record.put(name.name.toString(), valueDeserialized);
}
 
开发者ID:Netflix,项目名称:aegisthus,代码行数:32,代码来源:CQLMapper.java


示例12: getCfDef

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
/** return the CfDef for the column family */
protected CfDef getCfDef(Cassandra.Client client)
        throws InvalidRequestException,
               UnavailableException,
               TimedOutException,
               SchemaDisagreementException,
               TException,
               CharacterCodingException,
               NotFoundException,
               org.apache.cassandra.exceptions.InvalidRequestException,
               ConfigurationException
{
    // get CF meta data
    String query = "SELECT type," +
                   "       comparator," +
                   "       subcomparator," +
                   "       default_validator," +
                   "       key_validator," +
                   "       key_aliases " +
                   "FROM system.schema_columnfamilies " +
                   "WHERE keyspace_name = '%s' " +
                   "  AND columnfamily_name = '%s' ";

    CqlResult result = client.execute_cql3_query(
                            ByteBufferUtil.bytes(String.format(query, keyspace, column_family)),
                            Compression.NONE,
                            ConsistencyLevel.ONE);

    if (result == null || result.rows == null || result.rows.isEmpty())
        return null;

    Iterator<CqlRow> iteraRow = result.rows.iterator();
    CfDef cfDef = new CfDef();
    cfDef.keyspace = keyspace;
    cfDef.name = column_family;
    boolean cql3Table = false;
    if (iteraRow.hasNext())
    {
        CqlRow cqlRow = iteraRow.next();

        cfDef.column_type = ByteBufferUtil.string(cqlRow.columns.get(0).value);
        cfDef.comparator_type = ByteBufferUtil.string(cqlRow.columns.get(1).value);
        ByteBuffer subComparator = cqlRow.columns.get(2).value;
        if (subComparator != null)
            cfDef.subcomparator_type = ByteBufferUtil.string(subComparator);
        cfDef.default_validation_class = ByteBufferUtil.string(cqlRow.columns.get(3).value);
        cfDef.key_validation_class = ByteBufferUtil.string(cqlRow.columns.get(4).value);
        String keyAliases = ByteBufferUtil.string(cqlRow.columns.get(5).value);
        List<String> keys = FBUtilities.fromJsonList(keyAliases);
        // classis thrift tables
        if (keys.size() == 0)
        {
            CFDefinition cfDefinition = getCfDefinition(keyspace, column_family, client);
            for (ColumnIdentifier column : cfDefinition.keys.keySet())
            {
                String key = column.toString();
                String type = cfDefinition.keys.get(column).type.toString();
                logger.debug("name: {}, type: {} ", key, type);
                keys.add(key);
            }
        }
        else
            cql3Table = true;
    }
    cfDef.column_metadata = getColumnMetadata(client, cql3Table);
    return cfDef;
}
 
开发者ID:pgaref,项目名称:ACaZoo,代码行数:68,代码来源:AbstractCassandraStorage.java


示例13: getCfDef

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
public CFDefinition getCfDef()
{
    assert cqlCfDef != null;
    return cqlCfDef;
}
 
开发者ID:pgaref,项目名称:ACaZoo,代码行数:6,代码来源:CFMetaData.java


示例14: updateCfDef

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
private CFMetaData updateCfDef()
{
    cqlCfDef = new CFDefinition(this);
    return this;
}
 
开发者ID:dprguiuc,项目名称:Cassandra-Wasef,代码行数:6,代码来源:CFMetaData.java


示例15: getCfInfo

import org.apache.cassandra.cql3.CFDefinition; //导入依赖的package包/类
/** return the CfInf for the column family */
protected CfInfo getCfInfo(Cassandra.Client client)
        throws InvalidRequestException,
               UnavailableException,
               TimedOutException,
               SchemaDisagreementException,
               TException,
               NotFoundException,
               org.apache.cassandra.exceptions.InvalidRequestException,
               ConfigurationException,
               IOException
{
    // get CF meta data
    String query = "SELECT type," +
                   "       comparator," +
                   "       subcomparator," +
                   "       default_validator," +
                   "       key_validator," +
                   "       key_aliases " +
                   "FROM system.schema_columnfamilies " +
                   "WHERE keyspace_name = '%s' " +
                   "  AND columnfamily_name = '%s' ";

    CqlResult result = client.execute_cql3_query(
                            ByteBufferUtil.bytes(String.format(query, keyspace, column_family)),
                            Compression.NONE,
                            ConsistencyLevel.ONE);

    if (result == null || result.rows == null || result.rows.isEmpty())
        return null;

    Iterator<CqlRow> iteraRow = result.rows.iterator();
    CfDef cfDef = new CfDef();
    cfDef.keyspace = keyspace;
    cfDef.name = column_family;
    boolean cql3Table = false;
    if (iteraRow.hasNext())
    {
        CqlRow cqlRow = iteraRow.next();

        cfDef.column_type = ByteBufferUtil.string(cqlRow.columns.get(0).value);
        cfDef.comparator_type = ByteBufferUtil.string(cqlRow.columns.get(1).value);
        ByteBuffer subComparator = cqlRow.columns.get(2).value;
        if (subComparator != null)
            cfDef.subcomparator_type = ByteBufferUtil.string(subComparator);
        cfDef.default_validation_class = ByteBufferUtil.string(cqlRow.columns.get(3).value);
        cfDef.key_validation_class = ByteBufferUtil.string(cqlRow.columns.get(4).value);
        String keyAliases = ByteBufferUtil.string(cqlRow.columns.get(5).value);
        List<String> keys = FBUtilities.fromJsonList(keyAliases);
        // classis thrift tables
        if (keys.size() == 0)
        {
            CFDefinition cfDefinition = getCfDefinition(keyspace, column_family, client);
            for (ColumnIdentifier column : cfDefinition.keys.keySet())
            {
                String key = column.toString();
                String type = cfDefinition.keys.get(column).type.toString();
                logger.debug("name: {}, type: {} ", key, type);
                keys.add(key);
            }
        }
        else
            cql3Table = true;
    }
    cfDef.column_metadata = getColumnMetadata(client);
    CfInfo cfInfo = new CfInfo();
    cfInfo.cfDef = cfDef;
    if (cql3Table && !(parseType(cfDef.comparator_type) instanceof AbstractCompositeType))
        cfInfo.compactCqlTable = true;

    if (cql3Table)
        cfInfo.cql3Table = true;
    return cfInfo;
}
 
开发者ID:wso2,项目名称:wso2-cassandra,代码行数:75,代码来源:AbstractCassandraStorage.java



注:本文中的org.apache.cassandra.cql3.CFDefinition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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