Package org.mapdb

Examples of org.mapdb.DB

27
28
29
30
31
32
33
34
35
36
37
38
39
  extends TestSupport
{
  @Test
  public void createDatabase() throws Exception {
    File file = util.createTempFile("db");
    DB db = DBMaker.newFileDB(file).make();
    try {
      log("Database: {}, file: {}", db, file);
    }
    finally {
      db.close();
    }
  }
View Full Code Here
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
    checkNotNull(id);
    ensureStarted();

    log.trace("Get: {}", id);

    DB db = database.makeTx();
    try {
      MetadataRecord record = entries(db).get(id);
      if (record != null) {
        return convert(record);
      }
      return null;
    }
    finally {
      db.close();
    }
  }
View Full Code Here
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
    checkNotNull(state);
    ensureStarted();

    log.trace("Find with state: {}", state);

    final DB db = database.makeTx().snapshot();

    return new AutoClosableIterable<BlobId>()
    {
      private volatile boolean closed = false;

      @Override
      public Iterator<BlobId> iterator() {
        return states(db, state).iterator();
      }

      @Override
      public void close() throws Exception {
        db.close();
        closed = true;
      }

      @Override
      protected void finalize() throws Throwable {
        try {
          if (!closed) {
            log.warn("Leaked database connection: {}", db);
            db.close();
          }
        }
        finally {
          super.finalize();
        }
View Full Code Here
411
412
413
414
415
416
417
418
419
420
421
422
423
  }

  @Override
  public long getBlobCount() {
    ensureStarted();
    DB db = database.makeTx();
    try {
      return entries(db).sizeLong();
    }
    finally {
      db.close();
    }
  }
View Full Code Here
293
294
295
296
297
298
299
300
301
302
303
        protected DbHolder( Supplier<DB> supplier ) {
            this.supplier = supplier;
        }

        public DB get() {
            DB db = reference.get();
            if (db == null) {
                try {
                    lock.lock();
                    // Allocate it ...
                    db = supplier.get();
View Full Code Here
309
310
311
312
313
314
315
316
317
318
            return db;
        }

        @Override
        public void close() {
            DB db = reference.getAndSet(null);
            if (db != null) {
                db.close();
            }
        }
View Full Code Here
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
        repository.setAuthenticationManager(sam);
        try {
            uuid = repository.getRepositoryUUID(false);
            File cacheFile = new File(new File(Jenkins.getInstance().getRootDir(), "caches"), "svn-" + uuid + ".db");
            cacheFile.getParentFile().mkdirs();
            DB cache = null;
            while (cache == null) {
                try {
                    cache = DBMaker.newFileDB(cacheFile)
                            .cacheWeakRefEnable()
                            .make();
                } catch (Throwable t) {
                    cacheFile.delete();
                }
            }
            this.cache = cache;
            this.data = this.cache.getHashMap(credentials == null ? "data" : "data-" + credentials.getId());
            cache.commit();
        } catch (SVNException e) {
            repository.closeSession();
            throw e;
        }
    }
View Full Code Here
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
    public OSM(boolean diskBacked) {
        // Using DB TreeMaps is observed not to be slower than memory.
        // It lets you run in 400MB instead of a few GB.
        if (diskBacked) {
            LOG.info("OSM backed by temporary file.");
            DB db = DBMaker.newTempFileDB()
                    .transactionDisable()
                    .asyncWriteEnable()
                    .compressionEnable()
                    .make();
            nodes = db.getTreeMap("nodes");
            ways = db.getTreeMap("ways");
            relations = db.getTreeMap("relations");
        } else {
            // In-memory version
            nodes = Maps.newHashMap();
            ways = Maps.newHashMap();
            relations = Maps.newHashMap();           
View Full Code Here
16
17
18
19
20
21
22
23
public class TestStorageDisk extends TestStorage {
  final private static Number160 locationKey = new Number160(10);
  private static File DIR;

  public Storage createStorage() throws IOException {
    DB db = DBMaker.newFileDB(new File(DIR, "tomp2p")).transactionDisable().closeOnJvmShutdown().cacheDisable().make();
    return new StorageDisk(db, locationKey, DIR, new DSASignatureFactory(), 60 * 1000);
  }
 
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
            for(int j=0;j<3;j++){

                boolean useSmallValues = (j==0);
                boolean valueOutsideOfNodes = (j==2);

                DB db = DBMaker
                        .newFileDB(new File("/mnt/big/adsasd"))
                        .deleteFilesAfterClose()
                        .closeOnJvmShutdown()
                        .transactionDisable()
                        .cacheSize(10) //use small cache size, to simulate much larger store with relatively small cache.
                        .make();


                Map<Long,String> map =
                        (valueOutsideOfNodes?
                                (db.createTreeMap("test").valuesOutsideNodesEnable()):
                                db.createTreeMap("test"))
                    .nodeSize(nodeSize)
                    .make();

                long startTime = System.currentTimeMillis();

                for(int i=0;i<1e6;i++){
                    long key = r.nextLong();
                    String value =  useSmallValues?
                            //small value
                            "abc"+key:
                            //large value
                            "qwdkqwdoqpwfwe-09fewkljklcejewfcklajewjkleawckjlaweklcwelkcwecklwecjwekecklwecklaa"
                                    +"kvlskldvklsdklcklsdvkdflvvvvvvvvvvvvvvvvvvvvvvvsl;kzlkvlksdlkvklsdklvkldsklk"
                                    +key;
                    map.put(key, value);
                }

                System.out.print("    ");
                System.out.print((System.currentTimeMillis()-startTime)/1000+" s");
                System.out.print("   |");
                db.close();
            }
            System.out.println("");
        }
    }
View Full Code Here
TOP

Related Classes of org.mapdb.DB

  • examples._HelloWorld
  • examples.CacheEntryExpiry
  • examples.Compression
  • examples.Custom_Value
  • examples.Lazily_Loaded_Records
  • examples.MultiMap
  • examples.SQL_Auto_Incremental_Unique_Key
  • examples.Transactions
  • examples.TreeMap_Performance_Tunning
  • jenkins.scm.impl.subversion.SVNRepositoryView
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.