Java Record类代码示例

import com.aerospike.client.Record; //导入依赖的package包/类
public static JSONObject getURLDetails(String shortURL) {
	JSONObject json = new JSONObject();
	try {
		Record record = db.readKey(Constants.URLS, shortURL);
		json.append(Constants.SHORT_URL, shortURL);
		json.append(Constants.LONG_URL, record.getString(Constants.LONG_URL));
		json.append(Constants.HIT_COUNT, record.getLong(Constants.HIT_COUNT));
		Date date = new Date(record.getLong(Constants.TIMESTAMP));
		DateFormat format = new SimpleDateFormat( "MM/dd/yyyy HH:mm:ss");
		json.append(Constants.TIMESTAMP, format.format(date));
	} catch (Exception e) {
		e.printStackTrace();
		try {
			json.append(Constants.MESSAGE, Constants.INVALID_SHORT_URL);
			json.remove(Constants.SHORT_URL);
		} catch (JSONException e1) {
			e1.printStackTrace();
		}
	}
	return json;
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
/**
 * This executes the query to retrieve result from database.
 * It then converts each row into tuple and emit that into output port.
 */
@Override
public void emitTuples()
{
  Statement query = queryToRetrieveData();
  logger.debug(String.format("select statement: %s", query.toString()));
  RecordSet rs;
  try {
    rs = store.getClient().query(null, query);
    while (rs.next()) {
      Record rec = rs.getRecord();
      T tuple = getTuple(rec);
      outputPort.emit(tuple);
    }
  } catch (Exception ex) {
    store.disconnect();
    DTThrowable.rethrow(ex);
  }
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private Key[] getElementKeys() {
	Key[] keys = null;
	Record topRecord = client.get(this.policy, this.key, this.binNameString);
	if (topRecord != null) {
		List<byte[]> digestList = (List<byte[]>) topRecord.getList(this.binNameString);
		if (digestList != null) {
			keys = new Key[digestList.size()];
			int index = 0;
			for (byte[] digest : digestList) {
				Key subKey = new Key(this.key.namespace, digest, null, null);
				keys[index] = subKey;
				index++;
			}
		}
	}
	return keys;
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
private boolean filterBinByRange(Record record, String bin, Value low, Value high) {
	if (record == null)
		return false;
	Object value = record.getValue(bin);
	if (value instanceof List) {
		//TODO
		return false;
	} else if (value instanceof Map) {
		Map dict = (Map) value;
		Object keyValue = dict.get("key");
		if (keyValue == null)
			return false;
		return filterRange(keyValue, low, high);
	} else {
		return filterRange(value, low, high);
	}
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void config() {
	Map<String, Object> conf = null;
	Record record = this.client.get(this.policy, key, binName);
	if (record != null) {
		conf = (Map<String, Object>) record.getValue(binName);
	}
	if (conf == null) {
		conf = new HashMap<String, Object>();
		conf.put(configBucketSize, DefaultBucketSize);
		this.bucketSize = DefaultBucketSize;
		this.client.put(this.policy, this.key, new Bin(binName, Value.get(conf)));
	} else {
		this.bucketSize = (Long) conf.get(configBucketSize);
	}
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@Test
public void updateByKey(){
	for (int x = 1; x <= TestQueryEngine.RECORD_COUNT; x++){
		String keyString = "selector-test:"+x;
		Key key = new Key(TestQueryEngine.NAMESPACE, TestQueryEngine.SET_NAME, keyString);
		KeyQualifier kq = new KeyQualifier(Value.get(keyString));
		Statement stmt = new Statement();
		stmt.setNamespace(TestQueryEngine.NAMESPACE);
		stmt.setSetName(TestQueryEngine.SET_NAME);
		
		ArrayList<Bin> bins = new ArrayList<Bin>() {{
		    add(new Bin("ending", "ends with e"));
		}};
		
		Map<String, Long> counts = queryEngine.update(stmt, bins, kq );
		Assert.assertEquals((Long)1L, (Long)counts.get("write"));
		Record record = this.client.get(null, key);
		Assert.assertNotNull(record);
		String ending = record.getString("ending");
		Assert.assertTrue(ending.endsWith("ends with e"));
	}
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@Test
public void updateByDigest(){
		
		for (int x = 1; x <= TestQueryEngine.RECORD_COUNT; x++){
			String keyString = "selector-test:"+x;
			Key key = new Key(TestQueryEngine.NAMESPACE, TestQueryEngine.SET_NAME, keyString);
			KeyQualifier kq = new KeyQualifier(key.digest);
			Statement stmt = new Statement();
			stmt.setNamespace(TestQueryEngine.NAMESPACE);
			stmt.setSetName(TestQueryEngine.SET_NAME);
			
			ArrayList<Bin> bins = new ArrayList<Bin>() {{
			    add(new Bin("ending", "ends with e"));
			}};
			
			Map<String, Long> counts = queryEngine.update(stmt, bins, kq );
			Assert.assertEquals((Long)1L, (Long)counts.get("write"));
			Record record = this.client.get(null, key);
			Assert.assertNotNull(record);
			String ending = record.getString("ending");
			Assert.assertTrue(ending.endsWith("ends with e"));
		}
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@Test
public void deleteWithFilter() throws Exception {
	Key key = new Key(TestQueryEngine.NAMESPACE, TestQueryEngine.SET_NAME, "first-name-1");
	Bin firstNameBin = new Bin("first_name", "first-name-1");
	Bin lastNameBin = new Bin("last_name", "last-name-1");
	int age = 25;
	Bin ageBin = new Bin("age", age);
	this.client.put(null, key, firstNameBin, lastNameBin, ageBin);

	Qualifier qual1 = new Qualifier("last_name", Qualifier.FilterOperation.EQ, Value.get("last-name-1"));
	//DELETE FROM test.people WHERE last_name='last-name-1'
	Statement stmt = new Statement();
	stmt.setNamespace(TestQueryEngine.NAMESPACE);
	stmt.setSetName(TestQueryEngine.SET_NAME);
	Map<String, Long> counts = queryEngine.delete(stmt, qual1);
	Assert.assertEquals((Long)1L, (Long)counts.get("read"));
	Assert.assertEquals((Long)1L, (Long)counts.get("write"));
	Record record = this.client.get(null, key);
	Assert.assertNull(record);
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
@Test
public void CDTListOperations(){
	Key key = new Key (TestQueryEngine.NAMESPACE, SET, "CDT-list-test-key");
	List<Value> inputList = new ArrayList<Value>();
	inputList.add(Value.get(55));
	inputList.add(Value.get(77));
	for (int x = 0; x < 100; x++) {
		client.operate(null, key, ListOperation.insert("integer-list", 0, Value.get(x)));
	}
	Record record = client.operate(null, key, ListOperation.size("integer-list"));
	Assert.assertEquals (100, record.getInt("integer-list"));
	record = client.operate(null, key, ListOperation.appendItems("integer-list", inputList));
	record = client.operate(null, key, ListOperation.size("integer-list"));
	Assert.assertEquals (102, record.getInt("integer-list"));

}
 

import com.aerospike.client.Record; //导入依赖的package包/类
/**
 * Replicates all the indexes defined in the entity to database.
 * 
 * @param structure
 */
private void addEntityIndex(EntityStructure structure) {
	for (Entry<String, Index> entry : structure.getSecondaryIndexes().entrySet()) {
		//Check if indexes have already been done. This is done using a new set
		// and using entity namespace and index set. If index is already set no need 
		//to do any thing. Otherwise create index and set in the database
		String indexName = entry.getValue().getIndexName();
		Record record = client.getAerospikeClient().get(null, createKey(structure.getNameSpace(), "indexes", indexName));
		if(record != null && 1 == record.getInt(indexName)) {
			LOGGER.warn("Index: {} for class: {} has already been created. Skipping index creation for this field", entry.getValue().getIndexName(), structure.getClazzName());
			continue;
		}
		addIndex(structure.getPolicy(), structure.getNameSpace(), structure.getSet(), entry.getKey(), entry.getValue().getIndexName(), entry
				.getValue().getIndexType());	
		client.getAerospikeClient().put(null, createKey(structure.getNameSpace(), "indexes", indexName), new Bin(indexName, 1));
		LOGGER.info("Index: {} for class: {} has been created", entry.getValue().getIndexName(), structure.getClazzName());
	}
	structure.setIndexesInitialized(true);
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
/**
 * Creates entities array from the passed {@link Record} array.
 * 
 * @param record
 * @param clazz
 * @return
 */
@PerformanceMonitor
public <K extends Serializable, T extends Serializable> Map<K, T> reverseMap(K[] keys, Record[] records, Class clazz) {
	if (records.length <= 0) {
		return Collections.EMPTY_MAP;
	}
	Map<K, T> values = new HashMap<K, T>(records.length);
	for (int i = 0; i < records.length; i++) {
		if (records[i] != null) {
			T value = (T) reverseMap(records[i], clazz);
			if (value != null) {
				values.put(keys[i], value);
			}
		}
	}
	if (values.isEmpty()) {
		return Collections.EMPTY_MAP;
	}
	return values;
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
public BatchCommandGet(
	Node node,
	BatchNode.BatchNamespace batchNamespace,
	Policy policy,		
	HashMap<Key,BatchItem> keyMap,
	HashSet<String> binNames,
	Record[] records,
	int readAttr
) {
	super(node);
	this.batchNamespace = batchNamespace;
	this.policy = policy;
	this.keyMap = keyMap;
	this.binNames = binNames;
	this.records = records;
	this.readAttr = readAttr;
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
protected void parseResult(Connection conn) throws AerospikeException, IOException {
	// Read header.		
	conn.readFully(dataBuffer, MSG_TOTAL_HEADER_SIZE);

	int resultCode = dataBuffer[13] & 0xFF;

       if (resultCode == 0) {
   		int generation = Buffer.bytesToInt(dataBuffer, 14);
   		int expiration = Buffer.bytesToInt(dataBuffer, 18);
       	record = new Record(null, null, generation, expiration);       	
       }
       else {
		if (resultCode == ResultCode.KEY_NOT_FOUND_ERROR) {
			record = null;
		}
		else {
			throw new AerospikeException(resultCode);
		}
	}
	emptySocket(conn);
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
public AsyncBatchGetArray(
	AsyncMultiExecutor parent,
	AsyncCluster cluster,
	AsyncNode node,
	BatchNode.BatchNamespace batchNamespace,
	Policy policy,
	HashMap<Key,BatchItem> keyMap,
	HashSet<String> binNames,
	Record[] records,
	int readAttr
) {
	super(parent, cluster, node, false, binNames);
	this.batchNamespace = batchNamespace;
	this.policy = policy;
	this.keyMap = keyMap;
	this.records = records;
	this.readAttr = readAttr;
}
 

import com.aerospike.client.Record; //导入依赖的package包/类
protected final void parseResult(ByteBuffer byteBuffer) throws AerospikeException {
	int resultCode = byteBuffer.get(5) & 0xFF;

       if (resultCode == 0) {
       	int generation = byteBuffer.getInt(6);
   		int expiration = byteBuffer.getInt(10);
   		record = new Record(null, null, generation, expiration);
       }
       else {
       	if (resultCode == ResultCode.KEY_NOT_FOUND_ERROR) {
       		record = null;
       	}
       	else {
       		throw new AerospikeException(resultCode);
       	}
       }		        
}