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Java ColumnFamilyDefinition.setCompactionStrategy方法代码示例

本文整理汇总了Java中me.prettyprint.hector.api.ddl.ColumnFamilyDefinition.setCompactionStrategy方法的典型用法代码示例。如果您正苦于以下问题：Java ColumnFamilyDefinition.setCompactionStrategy方法的具体用法？Java ColumnFamilyDefinition.setCompactionStrategy怎么用？Java ColumnFamilyDefinition.setCompactionStrategy使用的例子？那么, 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me.prettyprint.hector.api.ddl.ColumnFamilyDefinition的用法示例。


在下文中一共展示了ColumnFamilyDefinition.setCompactionStrategy方法的8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: createRequiredSchemaEntities

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
@Override
public void createRequiredSchemaEntities() throws DataAccessLayerException {
	final String keyspaceName = _keyspace.getKeyspaceName();
	KeyspaceDefinition ksdef = _factory.getCluster().describeKeyspace(keyspaceName);

	if (!hasColumnFamily(ksdef, _cf_name)) {
		ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(keyspaceName, _cf_name);
		cfDef.setKeyValidationClass(ComparatorType.UTF8TYPE.getClassName());
		cfDef.setComparatorType(ComparatorType.UTF8TYPE);
		cfDef.setCompactionStrategy("LeveledCompactionStrategy");
		cfDef.setDefaultValidationClass(ComparatorType.COUNTERTYPE.getClassName());
		cfDef.setColumnType(ColumnType.STANDARD);
		_factory.getCluster().addColumnFamily(cfDef, true);
	}

	setDefaultValue(-1L);
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:18，代码来源:Cassandra12xCounterDAO.java

示例2: createKeyspace

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
/** Creates the keyspace. */
private void createKeyspace(Cluster cluster) {
	ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(
			KEYSPACE_NAME, COLUMN_FAMILY_NAME, ComparatorType.BYTESTYPE);
	cfDef.setGcGraceSeconds(1);
	cfDef.setCompactionStrategy("LeveledCompactionStrategy");

	BasicColumnDefinition column = new BasicColumnDefinition();
	column.setName(StringSerializer.get().toByteBuffer(COLUMN_NAME));
	column.setValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfDef.addColumnDefinition(column);

	KeyspaceDefinition newKeyspace = HFactory.createKeyspaceDefinition(
			KEYSPACE_NAME, ThriftKsDef.DEF_STRATEGY_CLASS, 1,
			Arrays.asList(cfDef));
	cluster.addKeyspace(newKeyspace, true);
}
开发者ID:vimaier，项目名称:conqat，代码行数:18，代码来源:CassandraStorageSystem.java

示例3: createColumnFamily

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
/**
 * Lazy creates a column family in the keyspace. If it doesn't exist, it will be created, then the call will sleep
 * until all nodes have acknowledged the schema change
 */
public void createColumnFamily( String keyspace, ColumnFamilyDefinition cfDef ) {

    if ( !keySpaceExists( keyspace ) ) {
        createKeySpace( keyspace );
    }


    //add the cf

    if ( !cfExists( keyspace, cfDef.getName() ) ) {

        //default read repair chance to 0.1
        cfDef.setReadRepairChance( 0.1d );
        cfDef.setCompactionStrategy( "LeveledCompactionStrategy" );
        cfDef.setCompactionStrategyOptions( new MapUtils.HashMapBuilder().map("sstable_size_in_mb", "512"  ) );

        cluster.addColumnFamily( cfDef, true );
        logger.info( "Created column family {} in keyspace {}", cfDef.getName(), keyspace );
    }
}
开发者ID:apache，项目名称:usergrid，代码行数:25，代码来源:CassandraService.java

示例4: createCF_PO_Sx

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
/**
 * Creates POS? column family.
 * 
 * @param cfName the column family name.
 * @return the POS? column family definition.
 */
protected ColumnFamilyDefinition createCF_PO_Sx(final String cfName) {

	final ColumnFamilyDefinition cfdef = HFactory.createColumnFamilyDefinition(_dataAccessLayerFactory.getKeyspaceName(), cfName, ComparatorType.COMPOSITETYPE);
	cfdef.setColumnType(ColumnType.STANDARD);
	cfdef.setKeyValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfdef.setDefaultValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfdef.setComparatorTypeAlias("(DoubleType, BytesType)");
	cfdef.setCompactionStrategy("LeveledCompactionStrategy");
	
	cfdef.setCompressionOptions(_compressionOptions);
	return new ThriftCfDef(cfdef);
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:19，代码来源:Cassandra12xTripleIndexDAO.java

示例5: createCF_RDT_PO_S

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
/**
 * Creates POS? column family used for date range queries.
 * 
 * @param cfName the column family name.
 * @return the POS? column family definition.
 */
protected ColumnFamilyDefinition createCF_RDT_PO_S(final String cfName) {
	final ColumnFamilyDefinition cfdef = HFactory.createColumnFamilyDefinition(_dataAccessLayerFactory.getKeyspaceName(), cfName, ComparatorType.COMPOSITETYPE);
	cfdef.setColumnType(ColumnType.STANDARD);
	cfdef.setKeyValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfdef.setDefaultValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfdef.setComparatorTypeAlias("(LongType, BytesType)");
	cfdef.setCompactionStrategy("LeveledCompactionStrategy");

	cfdef.setCompressionOptions(_compressionOptions);
	return new ThriftCfDef(cfdef);
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:18，代码来源:Cassandra12xTripleIndexDAO.java

示例6: createCF_RDT_SP_O

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
/**
 * Creates SPO? column family used for date range queries.
 * 
 * @param cfName the column family name.
 * @return the SPO? column family definition.
 */
protected ColumnFamilyDefinition createCF_RDT_SP_O(final String cfName) {
	final ColumnFamilyDefinition cfdef = HFactory.createColumnFamilyDefinition(_dataAccessLayerFactory.getKeyspaceName(), cfName, ComparatorType.LONGTYPE);
	cfdef.setColumnType(ColumnType.STANDARD);
	cfdef.setKeyValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfdef.setDefaultValidationClass(ComparatorType.BYTESTYPE.getClassName());
	cfdef.setCompactionStrategy("LeveledCompactionStrategy");

	cfdef.setCompressionOptions(_compressionOptions);
	return new ThriftCfDef(cfdef);
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:17，代码来源:Cassandra12xTripleIndexDAO.java

示例7: createRequiredSchemaEntities

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
@Override
public void createRequiredSchemaEntities() throws DataAccessLayerException {
	final String keyspace_name = _keyspace.getKeyspaceName();
	final KeyspaceDefinition ksdef = _factory.getCluster().describeKeyspace(keyspace_name);

	if (!hasColumnFamily(ksdef, _cf_name)) {

		final ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(keyspace_name, _cf_name);
		final Map<String, String> compressionOptions = new HashMap<String, String>();
		compressionOptions.put("sstable_compression", "SnappyCompressor");
		cfDef.setCompressionOptions(compressionOptions);
		
		cfDef.setColumnType(ColumnType.STANDARD);
		cfDef.setKeyValidationClass(ComparatorType.BYTESTYPE.getClassName());
		cfDef.setDefaultValidationClass(ComparatorType.BYTESTYPE.getClassName());
		cfDef.setCompactionStrategy("LeveledCompactionStrategy");

		if (_isBidirectional) {

			BasicColumnDefinition colDef = new BasicColumnDefinition();
			colDef.setName(BytesArraySerializer.get().toByteBuffer(COLUMN_NAME));
			colDef.setValidationClass(ComparatorType.BYTESTYPE.getClassName());
			colDef.setIndexType(ColumnIndexType.KEYS);
			colDef.setIndexName(_cf_name + "_val_idx");

			cfDef.addColumnDefinition(colDef);
		}

		_factory.getCluster().addColumnFamily(new ThriftCfDef(cfDef), true);
	}
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:32，代码来源:Cassandra12xMapDAO.java

示例8: createCF

import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; //导入方法依赖的package包/类
/**
 * Creates a column family definition.
 * 
 * @param cfName the column family name.
 * @param indexedCols names of columns that will be indexed.
 * @param keyComp the key comparator.
 * @param valueValidationClass the value validation class.
 * @param compositeCol a flag that indicates if columns are composite.
 * @return the column family definition.
 */
protected ColumnFamilyDefinition createCF(
		final String cfName,
		final List<byte[]> indexedCols,
		final ComparatorType keyComp,
		final ComparatorType valueValidationClass,
		final boolean compositeCol) {

	final ColumnFamilyDefinition cfdef = HFactory.createColumnFamilyDefinition(
			_dataAccessLayerFactory.getKeyspaceName(), 
			cfName, 
			compositeCol
				? ComparatorType.COMPOSITETYPE
				: ComparatorType.BYTESTYPE);
	cfdef.setKeyspaceName(_dataAccessLayerFactory.getKeyspaceName());
	cfdef.setColumnType(ColumnType.STANDARD);
	cfdef.setCompactionStrategy("LeveledCompactionStrategy");

	if (compositeCol) {
		cfdef.setComparatorTypeAlias("(BytesType, BytesType, BytesType)");
	}

	for (byte[] col : indexedCols) {
		final String indexColumnFamilyName = "index_" + cfName + "_" + Arrays.hashCode(col);
		try {
			_dataAccessLayerFactory.getCluster().dropColumnFamily(
					_dataAccessLayerFactory.getKeyspaceName(),
					indexColumnFamilyName,
					true);
		} catch (HInvalidRequestException ignore) {
			// Nothing to be done here...
		}
		cfdef.addColumnDefinition(createCDef(col, valueValidationClass.getClassName(), indexColumnFamilyName));
	}

	cfdef.setKeyValidationClass(keyComp.getClassName());
	cfdef.setDefaultValidationClass(valueValidationClass.getClassName());
	cfdef.setCompressionOptions(_compressionOptions);

	return new ThriftCfDef(cfdef);
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:51，代码来源:Cassandra12xTripleIndexDAO.java


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