Java ColumnParent类代码示例

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
public void run(final ThriftClient client) throws IOException
{
    final SlicePredicate predicate = select().predicate();
    final ByteBuffer key = getKey();
    timeWithRetry(new RunOp()
    {
        @Override
        public boolean run() throws Exception
        {
            List<?> r = client.get_slice(key, new ColumnParent(type.table), predicate, settings.command.consistencyLevel);
            return r != null && r.size() > 0;
        }

        @Override
        public int partitionCount()
        {
            return 1;
        }

        @Override
        public int rowCount()
        {
            return 1;
        }
    });
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
public State(Command type, StressSettings settings, StressMetrics metrics)
{
    this.type = type;
    this.timer = metrics.getTiming().newTimer();
    if (type == Command.MIXED)
        readWriteSelector = ((SettingsCommandMixed) settings.command).selector();
    else
        readWriteSelector = null;
    this.settings = settings;
    this.keyGen = settings.keys.newKeyGen();
    this.rowGen = settings.columns.newRowGen();
    this.metrics = metrics;
    if (!settings.columns.useSuperColumns)
        columnParents = Collections.singletonList(new ColumnParent(settings.schema.columnFamily));
    else
    {
        ColumnParent[] cp = new ColumnParent[settings.columns.superColumns];
        for (int i = 0 ; i < cp.length ; i++)
            cp[i] = new ColumnParent("Super1").setSuper_column(ByteBufferUtil.bytes("S" + i));
        columnParents = Arrays.asList(cp);
    }
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
private String getColumnValue(String ks, String cf, String colName, String key, String validator)
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, IOException
{
    Cassandra.Client client = getClient();
    client.set_keyspace(ks);

    ByteBuffer key_user_id = ByteBufferUtil.bytes(key);

    long timestamp = System.currentTimeMillis();
    ColumnPath cp = new ColumnPath(cf);
    ColumnParent par = new ColumnParent(cf);
    cp.column = ByteBufferUtil.bytes(colName);

    // read
    ColumnOrSuperColumn got = client.get(key_user_id, cp, ConsistencyLevel.ONE);
    return parseType(validator).getString(got.getColumn().value);
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
public CasTimeReader() {
	try {
		TTransport tr = new TFramedTransport(new TSocket("10.15.61.111",
				9160));
		TProtocol proto = new TBinaryProtocol(tr);
		client = new Cassandra.Client(proto);
		tr.open();

		client.set_keyspace("CadalSecTest");

		predicate = new SlicePredicate();
		SliceRange range = new SliceRange();
		range.setStart(new byte[0]);
		range.setFinish(new byte[0]);
		range.setCount(10000);
		predicate.setSlice_range(range);

		columnParent = new ColumnParent();
		columnParent.setColumn_family("RecordMinute");
	} catch (Exception e) {
		System.out.println(e);
	}
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
public CasTimeBook() {
	try {
		TTransport tr = new TFramedTransport(new TSocket("10.15.61.111",
				9160));
		TProtocol proto = new TBinaryProtocol(tr);
		client = new Cassandra.Client(proto);
		tr.open();

		client.set_keyspace("CadalSecTest");

		predicate = new SlicePredicate();
		SliceRange range = new SliceRange();
		range.setStart(new byte[0]);
		range.setFinish(new byte[0]);
		range.setCount(10000);
		predicate.setSlice_range(range);

		columnParent = new ColumnParent();
		columnParent.setColumn_family("RecordMinute");
	} catch (Exception e) {
		System.out.println(e);
	}
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
 * Insert into IpUser Column Family
 */
public boolean InsertTest(String key, int val) {
	System.out.println("------------InsertTest--------------");

	try {
		ColumnParent parent = new ColumnParent("test");

		long timeStamp = System.currentTimeMillis();

		Column idColumnPageid = new Column();
		idColumnPageid.setName(this.cassandraUtil.toByteBuffer("signal"));
		idColumnPageid.setValue(this.cassandraUtil.toByteBuffer(String.valueOf(val)));
		idColumnPageid.setTimestamp(timeStamp);
		client.insert(this.cassandraUtil.toByteBuffer(key), parent, idColumnPageid, ConsistencyLevel.ONE);

	} catch (Exception e) {
		e.printStackTrace();
	}
	
	return true;
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
 * Insert into IpUser Column Family
 */
public boolean InsertTest2(int key, String val) {
	System.out.println("------------InsertTest--------------");

	try {
		ColumnParent parent = new ColumnParent("test");

		long timeStamp = System.currentTimeMillis();

		Column idColumnPageid = new Column();
		idColumnPageid.setName(this.cassandraUtil.toByteBuffer("content"));
		idColumnPageid.setValue(this.cassandraUtil.toByteBuffer(val));
		idColumnPageid.setTimestamp(timeStamp);
		client.insert(this.cassandraUtil.toByteBuffer(String.valueOf(key)), parent, idColumnPageid, ConsistencyLevel.ONE);

	} catch (Exception e) {
		e.printStackTrace();
	}
	
	return true;
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
 * Insert into IpUser Column Family
 */
public boolean InsertTest3(int userid, int key, String val) {
	System.out.println("------------InsertTest--------------");

	try {
		ColumnParent parent = new ColumnParent("test");

		long timeStamp = System.currentTimeMillis();

		Column idColumnPageid = new Column();
		idColumnPageid.setName(this.cassandraUtil.toByteBuffer(String.valueOf(key)));
		idColumnPageid.setValue(this.cassandraUtil.toByteBuffer(val));
		idColumnPageid.setTimestamp(timeStamp);
		client.insert(this.cassandraUtil.toByteBuffer(String.valueOf(userid)), parent, idColumnPageid, ConsistencyLevel.ONE);

	} catch (Exception e) {
		e.printStackTrace();
	}
	
	return true;
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
	 * Insert into CF -- "UserChapter"
	 * @param int userid: the key of column   like '119115'
	 * @param int signal: chapter's signal	  like '23'
	 * @param String content: chapter's value like '"07018720_1.0.0.0.0"'
	 */
	public boolean InsertIntoUserChapter(int userid, int signal, String content){
//		System.out.println("------------InsertIntoUserChapter--------------");

		try {
			ColumnParent parent = new ColumnParent("UserChapter");

			long timeStamp = System.currentTimeMillis();

			Column userChapter = new Column();
			userChapter.setName(this.cassandraUtil.toByteBuffer(String.valueOf(signal)));
			userChapter.setValue(this.cassandraUtil.toByteBuffer(content));
			userChapter.setTimestamp(timeStamp);
			client.insert(this.cassandraUtil.toByteBuffer(String.valueOf(userid)), parent, userChapter, ConsistencyLevel.QUORUM);

			return true;
			
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
	 * Insert into CF -- "SignalChapterMap"
	 * @param int signal: chapter's signal	  like '23'
	 * @param String content: chapter's value like '"07018720_1.0.0.0.0"'
	 */
	public boolean InsertIntoSignalChapterMap(int signal, String content){
//		System.out.println("------------InsertIntoSignalChapterMap--------------");

		try {
			ColumnParent parent = new ColumnParent("SignalChapterMap");

			long timeStamp = System.currentTimeMillis();

			Column signalChapter = new Column();
			signalChapter.setName(this.cassandraUtil.toByteBuffer("content"));
			signalChapter.setValue(this.cassandraUtil.toByteBuffer(content));
			signalChapter.setTimestamp(timeStamp);
			client.insert(this.cassandraUtil.toByteBuffer(String.valueOf(signal)), parent, signalChapter, ConsistencyLevel.QUORUM);
			
			return true;
			
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
 * Update 'maxid' in CF 'ChapterSignalMap'
 */
public boolean UpdateMaxid(String signal) {
	
	try{
		ColumnParent parent = new ColumnParent("ChapterSignalMap");
		
		long timeStamp = System.currentTimeMillis();
		
		Column signalCol = new Column();
		signalCol.setName(this.cassandraUtil.toByteBuffer("maxid"));
		signalCol.setValue(this.cassandraUtil.toByteBuffer(signal));
		signalCol.setTimestamp(timeStamp);
		
		this.client.insert(this.cassandraUtil.toByteBuffer("maxid"), parent, signalCol, ConsistencyLevel.QUORUM);
		
	}catch(Exception e) {
		e.printStackTrace();
	}
	
	return true;
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
public void open() throws Exception {
    TSocket sock = new TSocket(Config.getCassandraIP(), Config.getCassandraPort());
    sock.setTimeout(1000000);
    transport = new TFramedTransport(sock);
    client = new Cassandra.Client(new TBinaryProtocol(transport));
    transport.open();

    client.set_keyspace(Config.getCassandraKeyspace());
    cl = ConsistencyLevel.valueOf(Config.getCassandraConsistencyLevel());

    writeColumn = new Column();
    writeColumnFamily = new ColumnParent(Config.getCassandraColumnFamily());

    columnPath = new ColumnPath(Config.getCassandraColumnFamily());
    bytesRead = bytesWritten = readLatency = writeLatency = 0;
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
public void run(final ThriftClient client) throws IOException
{
    final ColumnSelection select = select();
    final ByteBuffer key = getKey();
    final List<ByteBuffer> expect = getColumnValues(select);
    timeWithRetry(new RunOp()
    {
        @Override
        public boolean run() throws Exception
        {
            List<ColumnOrSuperColumn> row = client.get_slice(key, new ColumnParent(type.table), select.predicate(), settings.command.consistencyLevel);
            if (expect == null)
                return !row.isEmpty();
            if (row == null)
                return false;
            if (row.size() != expect.size())
                return false;
            for (int i = 0 ; i < row.size() ; i++)
                if (!row.get(i).getColumn().bufferForValue().equals(expect.get(i)))
                    return false;
            return true;
        }

        @Override
        public int partitionCount()
        {
            return 1;
        }

        @Override
        public int rowCount()
        {
            return 1;
        }
    });
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
/**
 * get 讀取所有column
 *
 * @throws Exception
 */
@Test
public void get2() throws Exception {
	String KEYSPACE = "mock";
	client.set_keyspace(KEYSPACE);

	// 讀取所有column
	String COLUMN_FAMILY = "student";
	ColumnParent columnParent = new ColumnParent(COLUMN_FAMILY);

	// 術語
	SlicePredicate predicate = new SlicePredicate();

	// 範圍
	SliceRange sliceRange = new SliceRange();
	// sliceRange.setStart(ByteBufferHelper.toByteBuffer(new byte[0]));//開始
	sliceRange.setStart(new byte[0]);// 開始
	sliceRange.setFinish(new byte[0]);// 結束
	sliceRange.setCount(100);// 筆數
	//
	predicate.setSlice_range(sliceRange);

	String ROW_KEY = "Jack";
	// 結果
	// key, column_parent, predicate, consistency_level
	List<ColumnOrSuperColumn> results = client.get_slice(
			ByteBufferHelper.toByteBuffer(ROW_KEY), columnParent,
			predicate, ConsistencyLevel.ONE);

	for (ColumnOrSuperColumn cos : results) {
		Column column = cos.getColumn();
		System.out.println(ROW_KEY + ", "
				+ ByteHelper.toString(column.getName()) + ": "
				+ ByteHelper.toString(column.getValue()) + ", "
				+ column.getTimestamp());
		// Jack, art, 87, 1380788003220
		// Jack, grad, 5, 1380788003203
		// Jack, math, 97, 1380788003214
	}
}
 

import org.apache.cassandra.thrift.ColumnParent; //导入依赖的package包/类
private void insertColumnValue(String parentName, String id, String name, String value, long ts) throws TException, TimedOutException, UnavailableException, InvalidRequestException, UnsupportedEncodingException {
  ColumnParent parent = new ColumnParent(parentName);
  Column column = new Column(toByteBuffer(name));
  column.setValue(toByteBuffer(value));
  column.setTimestamp(ts);
  getClient().insert(toByteBuffer(id), parent, column, ConsistencyLevel.ONE);
}