• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号
登陆 注册

Java BasicColumnDefinition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me.prettyprint.cassandra.model.BasicColumnDefinition类的典型用法代码示例。如果您正苦于以下问题：Java BasicColumnDefinition类的具体用法？Java BasicColumnDefinition怎么用？Java BasicColumnDefinition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。



BasicColumnDefinition类属于me.prettyprint.cassandra.model包，在下文中一共展示了BasicColumnDefinition类的6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: createKeyspace

import me.prettyprint.cassandra.model.BasicColumnDefinition; //导入依赖的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2: createLinksTable

import me.prettyprint.cassandra.model.BasicColumnDefinition; //导入依赖的package包/类
private static void createLinksTable() {
	// column family l
	final String CF_LINKS = "l";
	final String QF_URL = "u";

	ColumnFamilyDefinition cfLinks = HFactory.createColumnFamilyDefinition(
			LINKS, CF_LINKS, ComparatorType.UTF8TYPE);
	cfLinks.setKeyValidationClass(ComparatorType.UTF8TYPE.getTypeName());

	List<ColumnDefinition> linksMetaData = new ArrayList<ColumnDefinition>();

	BasicColumnDefinition twLinks = new BasicColumnDefinition();
	twLinks.setName(StringSerializer.get().toByteBuffer(QF_URL));
	twLinks.setValidationClass(ComparatorType.UTF8TYPE.getClassName());
	linksMetaData.add(twLinks);
	cfLinks.addColumnDefinition(twLinks);

	List<ColumnFamilyDefinition> cfDefs = new ArrayList<ColumnFamilyDefinition>();
	cfDefs.add(cfLinks);

	KeyspaceDefinition linksDef = HFactory.createKeyspaceDefinition(LINKS,
			SIMPLESTRATEGY, replFactor, cfDefs);

	cluster.addKeyspace(linksDef);
}
开发者ID:mvogiatzis，项目名称:storm-unshortening，代码行数:26，代码来源:Schema.java


示例3: createCDef

import me.prettyprint.cassandra.model.BasicColumnDefinition; //导入依赖的package包/类
/**
 * Creates a column family definition.
 * 
 * @param colName the column family name.
 * @param validationClass the validation class.
 * @param indexName the index name.
 * @return the column family definition.
 */
protected ColumnDefinition createCDef(
		final byte[] colName,
		final String validationClass,
		final String indexName) {

	final BasicColumnDefinition colDef = new BasicColumnDefinition();
	colDef.setName(ByteBuffer.wrap(colName));
	colDef.setValidationClass(validationClass);
	colDef.setIndexType(ColumnIndexType.KEYS);
	colDef.setIndexName(indexName);
	return colDef;
}
开发者ID:cumulusrdf，项目名称:cumulusrdf，代码行数:21，代码来源:Cassandra12xTripleIndexDAO.java


示例4: createRequiredSchemaEntities

import me.prettyprint.cassandra.model.BasicColumnDefinition; //导入依赖的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5: createTweetsTable

import me.prettyprint.cassandra.model.BasicColumnDefinition; //导入依赖的package包/类
private static void createTweetsTable() {

		final String QF_ID = "id";

		// Column Family tweets
		final String CF_TWEET = "t";
		final String QF_TEXT = "txt";

		ColumnFamilyDefinition cfTweet = HFactory.createColumnFamilyDefinition(
				TWEETS, CF_TWEET, ComparatorType.UTF8TYPE);
		cfTweet.setKeyValidationClass(ComparatorType.LONGTYPE.getTypeName());

		List<ColumnDefinition> tweetMetaData = new ArrayList<ColumnDefinition>();

		BasicColumnDefinition t_txt = new BasicColumnDefinition();
		t_txt.setName(StringSerializer.get().toByteBuffer(QF_TEXT));
		t_txt.setValidationClass(ComparatorType.UTF8TYPE.getClassName());
		tweetMetaData.add(t_txt);
		cfTweet.addColumnDefinition(t_txt);

		List<ColumnFamilyDefinition> cfDefs = new ArrayList<ColumnFamilyDefinition>();
		cfDefs.add(cfTweet);

		KeyspaceDefinition tweetsDef = HFactory.createKeyspaceDefinition(
				TWEETS, SIMPLESTRATEGY, replFactor, cfDefs);

		cluster.addKeyspace(tweetsDef);
	}
开发者ID:mvogiatzis，项目名称:storm-unshortening，代码行数:29，代码来源:Schema.java


示例6: createSchema

import me.prettyprint.cassandra.model.BasicColumnDefinition; //导入依赖的package包/类
private void createSchema() {

        // ColumnFamily 1

        BasicColumnDefinition columnDefinition1_1 = new BasicColumnDefinition();
        columnDefinition1_1.setName(stringSerializer.toByteBuffer("name"));
        columnDefinition1_1.setValidationClass(ComparatorType.LONGTYPE.getClassName());

        BasicColumnDefinition columnDefinition1_2 = new BasicColumnDefinition();
        columnDefinition1_2.setName(stringSerializer.toByteBuffer("column_A_B"));
        columnDefinition1_2.setValidationClass(ComparatorType.UTF8TYPE.getClassName());

        BasicColumnFamilyDefinition columnFamilyDefinition1 = new BasicColumnFamilyDefinition();
        columnFamilyDefinition1.setKeyspaceName(KEYSPACE_NAME);
        columnFamilyDefinition1.setName(COLUMN_FAMILY_NAME_1);
        columnFamilyDefinition1.addColumnDefinition(columnDefinition1_1);
        columnFamilyDefinition1.addColumnDefinition(columnDefinition1_2);

        ColumnFamilyDefinition cfDef1 = new ThriftCfDef(columnFamilyDefinition1);

        // ColumnFamily 2

        BasicColumnDefinition columnDefinitionIndexed1 = new BasicColumnDefinition();
        columnDefinitionIndexed1.setName(stringSerializer.toByteBuffer("column_test_1"));
        columnDefinitionIndexed1.setIndexType(ColumnIndexType.KEYS);
        columnDefinitionIndexed1.setIndexName("INDEX_COLUMN_TEST_1");
        columnDefinitionIndexed1.setValidationClass(ComparatorType.UTF8TYPE.getClassName());

        BasicColumnDefinition columnDefinitionIndexed2 = new BasicColumnDefinition();
        columnDefinitionIndexed2.setName(stringSerializer.toByteBuffer("birthdate"));
        columnDefinitionIndexed2.setIndexType(ColumnIndexType.KEYS);
        columnDefinitionIndexed2.setIndexName("INDEX_BIRTH_DATE");
        columnDefinitionIndexed2.setValidationClass(ComparatorType.LONGTYPE.getClassName());

        BasicColumnFamilyDefinition columnFamilyDefinitionIndexed = new BasicColumnFamilyDefinition();
        columnFamilyDefinitionIndexed.setKeyspaceName(KEYSPACE_NAME);
        columnFamilyDefinitionIndexed.setName(COLUMN_FAMILY_INDEXED_1);
        columnFamilyDefinitionIndexed.addColumnDefinition(columnDefinitionIndexed1);
        columnFamilyDefinitionIndexed.addColumnDefinition(columnDefinitionIndexed2);

        ColumnFamilyDefinition cfDef2 = new ThriftCfDef(columnFamilyDefinitionIndexed);

        // ColumnFamilySuper

        BasicColumnDefinition columnDefinitionSuper1 = new BasicColumnDefinition();
        columnDefinitionSuper1.setName(stringSerializer.toByteBuffer("Super_Column_1"));
        columnDefinitionSuper1.setValidationClass(ComparatorType.UTF8TYPE.getClassName());

        BasicColumnFamilyDefinition columnFamilyDefinitionSuper2 = new BasicColumnFamilyDefinition();
        columnFamilyDefinitionSuper2.setKeyspaceName(KEYSPACE_NAME);
        columnFamilyDefinitionSuper2.setName(COLUMN_FAMILY_SUPER_1);
        columnFamilyDefinitionSuper2.setColumnType(ColumnType.SUPER);
        columnFamilyDefinitionSuper2.addColumnDefinition(columnDefinitionSuper1);

        ColumnFamilyDefinition cfDefSuper = new ThriftCfDef(columnFamilyDefinitionSuper2);

        KeyspaceDefinition keyspaceDefinition = HFactory.createKeyspaceDefinition(KEYSPACE_NAME,
                SimpleStrategy.class.getName(), 1, Arrays.asList(cfDef1, cfDef2, cfDefSuper));

        cluster.addKeyspace(keyspaceDefinition, true);
        // cluster.updateKeyspace(keyspaceDefinition);

    }
开发者ID:xuzhikethinker，项目名称:t4f-data，代码行数:64，代码来源:HectorCassandraTest.java



注：本文中的me.prettyprint.cassandra.model.BasicColumnDefinition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。

鲜花
握手
雷人
路过
鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
More+
上一篇：
Java EditorCreator类代码示例发布时间：2022-05-23
下一篇：
Java FlywayMigrationStrategy类代码示例发布时间：2022-05-23
热门推荐
More+
热门话题
More+
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服（服务时间 9:00～18:00）

在线QQ客服
地址：深圳市南山区西丽大学城创智工业园
电邮：jeky_zhao#qq.com
移动电话：139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap