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Java RocksDB.close方法代码示例

本文整理汇总了Java中org.rocksdb.RocksDB.close方法的典型用法代码示例。如果您正苦于以下问题：Java RocksDB.close方法的具体用法？Java RocksDB.close怎么用？Java RocksDB.close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org.rocksdb.RocksDB的用法示例。


在下文中一共展示了RocksDB.close方法的9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: main

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
public static void main(String[] args) {
    RocksDB.loadLibrary();
    Options rockopts = new Options().setCreateIfMissing(false);
    RocksDB db = null;

    try {
        db = RocksDB.open(rockopts, args[0]);
        RocksIterator iter = db.newIterator();
        iter.seekToFirst();
        while (iter.isValid()) {
            String key = new String(iter.key(), StandardCharsets.UTF_8);
            String val = new String(iter.value(), StandardCharsets.UTF_8);
            System.out.println(key + " -> " + val);
            iter.next();
        }

        db.close();
    } catch (RocksDBException rdbe) {
        rdbe.printStackTrace(System.err);
    }
}
开发者ID:isoboroff，项目名称:basekb-search，代码行数:22，代码来源:DumpLabelDb.java

示例2: main

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
public static void main(String[] args) {
    RocksDB.loadLibrary();
    Options rockopts = new Options().setCreateIfMissing(false);
    RocksDB db = null;

    try {
        db = RocksDB.open(rockopts, args[0]);
        String query = args[1];
        byte[] val = db.get(query.getBytes(StandardCharsets.UTF_8));
        if (val != null) {
            System.out.println(new String(val, StandardCharsets.UTF_8));
        }
        db.close();
    } catch (RocksDBException rdbe) {
        rdbe.printStackTrace(System.err);
    }
}
开发者ID:isoboroff，项目名称:basekb-search，代码行数:18，代码来源:QueryLabelDb.java

示例3: close

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
@Override
public void close() {
    if (this.closed.compareAndSet(false, true)) {
        RocksDB db = this.database.get();
        if (db != null) {
            db.close();
            this.database.set(null);
        }

        if (this.writeOptions != null) {
            this.writeOptions.close();
        }

        if (this.databaseOptions != null) {
            this.databaseOptions.close();
        }

        clear(false);
        log.info("{}: Closed.", this.logId);

        Consumer<String> callback = this.closeCallback;
        if (callback != null) {
            Callbacks.invokeSafely(callback, this.id, null);
        }
    }
}
开发者ID:pravega，项目名称:pravega，代码行数:27，代码来源:RocksDBCache.java

示例4: openSuffixDataStore

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
@Override
public SuffixDataStore openSuffixDataStore(int id) {
  RocksDB.loadLibrary();
  try {
    LOGGER.info("Opening TnT suffix model: {}", id);
    RocksDB rocksDB = RocksDB.openReadOnly(dbPath.resolve(getSuffixesName(id)).toString());
    RocksDbSuffixDataStore rocksDbSuffixDataStore = new RocksDbSuffixDataStore(rocksDB);
    if (inMemory) {
      LOGGER.info("Loading TnT suffix model into memory: {}", id);
      InMemorySuffixDataStore inMemorySuffixDataStore = rocksDbSuffixDataStore.inMemory();
      LOGGER.info("Done loading TnT suffix model into memory: {}", id);
      rocksDB.close();
      return inMemorySuffixDataStore;
    }
    rocksDBS.add(rocksDB);
    return rocksDbSuffixDataStore;
  } catch (RocksDBException e) {
    throw new RuntimeException(e);
  }
}
开发者ID:nlpie，项目名称:biomedicus，代码行数:21，代码来源:RocksDbDataStoreFactory.java

示例5: openKnownWordDataStore

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
@Override
public KnownWordsDataStore openKnownWordDataStore(int id) {
  RocksDB.loadLibrary();
  try {
    LOGGER.info("Opening TnT model known word model: {}", id);
    RocksDB rocksDB = RocksDB.openReadOnly(dbPath.resolve(getWordsName(id)).toString());
    RocksDB candidatesDB = RocksDB.openReadOnly(dbPath.resolve(getCandidatesName(id)).toString());

    RocksDbKnownWordsDataStore rocksDbKnownWordsDataStore = new RocksDbKnownWordsDataStore(
        rocksDB, candidatesDB);
    if (inMemory) {
      LOGGER.info("Loading TnT known word model into memory: {}", id);
      InMemoryKnownWordDataStore inMemoryKnownWordDataStore = rocksDbKnownWordsDataStore
          .inMemory();
      LOGGER.info("Done loading TnT known word model into memory: {}", id);
      rocksDB.close();
      candidatesDB.close();
      return inMemoryKnownWordDataStore;
    }
    rocksDBS.add(rocksDB);
    rocksDBS.add(candidatesDB);
    return rocksDbKnownWordsDataStore;
  } catch (RocksDBException e) {
    throw new RuntimeException(e);
  }
}
开发者ID:nlpie，项目名称:biomedicus，代码行数:27，代码来源:RocksDbDataStoreFactory.java

示例6: main

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
public static void main(String[] args) {
    RocksDB.loadLibrary();
    Options rockopts = new Options().setCreateIfMissing(true);
    RocksDB db = null;
    int count = 0;

    try {
        BufferedReader in = new BufferedReader(new FileReader(args[0]));
        db = RocksDB.open(rockopts, args[1]);
        String line;

        while ((line = in.readLine()) != null) {
            String[] fields = line.split("\\t+");
            if (fields[2].endsWith("@en")) {
                byte[] key = fields[0].substring(1, fields[0].length() - 1).getBytes(StandardCharsets.UTF_8);
                byte[] value = fields[2].substring(1, fields[2].length() - 4).getBytes(StandardCharsets.UTF_8);
                db.put(key, value);
            }
            count++;
            if ((count % 100000) == 0)
                System.out.print(".");
        }

        db.close();
        System.out.println();
    } catch (RocksDBException rdbe) {
        rdbe.printStackTrace(System.err);
    } catch (IOException ioe) {
        ioe.printStackTrace(System.err);
    }
}
开发者ID:isoboroff，项目名称:basekb-search，代码行数:32，代码来源:BuildLabelDb.java

示例7: doShutdown

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
@Override
public void doShutdown() throws BiomedicusException {
  for (RocksDB rocksDB : rocksDBS) {
    rocksDB.close();
  }
}
开发者ID:nlpie，项目名称:biomedicus，代码行数:7，代码来源:RocksDbDataStoreFactory.java

示例8: closeConn

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
public void closeConn() throws Exception
{
  RocksDB conn = (RocksDB) m_conn;
  conn.close();
}
开发者ID:linkedin，项目名称:MTBT，代码行数:6，代码来源:RocksdbConnection.java

示例9: main

import org.rocksdb.RocksDB; //导入方法依赖的package包/类
public static void main(String[] args) {
    Map conf = JStormHelper.LoadConf(args[0]);
    putNum = JStormUtils.parseInt(conf.get("put.number"), 100);
    isFlush = JStormUtils.parseBoolean(conf.get("is.flush"), true);
    isCheckpoint = JStormUtils.parseBoolean(conf.get("is.checkpoint"), true);
    sleepTime = JStormUtils.parseInt(conf.get("sleep.time"), 5000);
    compactionInterval = JStormUtils.parseInt(conf.get("compaction.interval"), 30000);
    flushInterval = JStormUtils.parseInt(conf.get("flush.interval"), 3000);
    isCompaction = JStormUtils.parseBoolean(conf.get("is.compaction"), true);
    fileSizeBase = JStormUtils.parseLong(conf.get("file.size.base"), 10 * SizeUnit.KB);
    levelNum = JStormUtils.parseInt(conf.get("db.level.num"), 1);
    compactionTriggerNum = JStormUtils.parseInt(conf.get("db.compaction.trigger.num"), 4);
    LOG.info("Conf={}", conf);
    
    RocksDB db;
    File file = new File(cpPath);
    file.mkdirs();

    List<ColumnFamilyHandle> columnFamilyHandles = new ArrayList<>();
    try {
        Options options = new Options();
        options.setCreateMissingColumnFamilies(true);
        options.setCreateIfMissing(true);
        options.setTargetFileSizeBase(fileSizeBase);
        options.setMaxBackgroundFlushes(2);
        options.setMaxBackgroundCompactions(2);
        options.setCompactionStyle(CompactionStyle.LEVEL);
        options.setNumLevels(levelNum);
        options.setLevelZeroFileNumCompactionTrigger(compactionTriggerNum);

        DBOptions dbOptions = new DBOptions();
        dbOptions.setCreateMissingColumnFamilies(true);
        dbOptions.setCreateIfMissing(true);
        dbOptions.setMaxBackgroundFlushes(2);
        dbOptions.setMaxBackgroundCompactions(2);
        ColumnFamilyOptions familyOptions = new ColumnFamilyOptions();
        familyOptions.setTargetFileSizeBase(fileSizeBase);
        familyOptions.setCompactionStyle(CompactionStyle.LEVEL);
        familyOptions.setNumLevels(levelNum);
        familyOptions.setLevelZeroFileNumCompactionTrigger(compactionTriggerNum);
        List<byte[]> families = RocksDB.listColumnFamilies(options, dbPath);
        List<ColumnFamilyDescriptor> columnFamilyDescriptors = new ArrayList<>();
        if (families != null) {
            for (byte[] bytes : families) {
                columnFamilyDescriptors.add(new ColumnFamilyDescriptor(bytes, familyOptions));
                LOG.info("Load colum family of {}", new String(bytes));
            }
        }
        
        if (columnFamilyDescriptors.size() > 0) {
            db = RocksDB.open(dbOptions, dbPath, columnFamilyDescriptors, columnFamilyHandles);
        } else {
            db = RocksDB.open(options, dbPath);
        }
    } catch (RocksDBException e) {
        LOG.error("Failed to open db", e);
        return;
    }

    rocksDbTest(db, columnFamilyHandles);
    
    db.close();
}
开发者ID:alibaba，项目名称:jstorm，代码行数:64，代码来源:RocksDbUnitTest.java


注：本文中的org.rocksdb.RocksDB.close方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。