Package org.apache.kahadb.util

Examples of org.apache.kahadb.util.ByteSequence

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                latch.countDown();
            }
        };
        int messageSize = DEFAULT_MAX_BATCH_SIZE / iterations;
        byte[] message = new byte[messageSize];
        ByteSequence data = new ByteSequence(message);

        for (int i=0; i< iterations; i++) {
            dataManager.write(data, done);
        }
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        // write may take some time
        assertTrue("all callbacks complete", latch.await(10, TimeUnit.SECONDS));
    }

    public void testNoBatchWriteWithSync() throws Exception {
        ByteSequence data = new ByteSequence("DATA".getBytes());
        final int iterations = 10;
        for (int i=0; i<iterations; i++) {
            dataManager.write(data, true);
            assertTrue("queued data is written", dataManager.getInflightWrites().isEmpty());
        }
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    public void testAddLast() throws Exception {
        final int COUNT = 1000;
        Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>();
        for (int i = 0; i < COUNT; i++) {
            String test = new String("test" + i);
            ByteSequence bs = new ByteSequence(test.getBytes());
            map.put(test, bs);
            plist.addLast(test, bs);
        }
        assertEquals(plist.size(), COUNT);
        int count = 0;
        for (ByteSequence bs : map.values()) {
            String origStr = new String(bs.getData(), bs.getOffset(), bs.getLength());
            PListEntry entry = plist.get(count);
            String plistString = new String(entry.getByteSequence().getData(), entry.getByteSequence().getOffset(),
                    entry.getByteSequence().getLength());
            assertEquals(origStr, plistString);
            count++;
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    public void testAddFirst() throws Exception {
        final int COUNT = 1000;
        Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>();
        for (int i = 0; i < COUNT; i++) {
            String test = new String("test" + i);
            ByteSequence bs = new ByteSequence(test.getBytes());
            map.put(test, bs);
            plist.addFirst(test, bs);
        }
        assertEquals(plist.size(), COUNT);
        int count = plist.size() - 1;
        for (ByteSequence bs : map.values()) {
            String origStr = new String(bs.getData(), bs.getOffset(), bs.getLength());
            PListEntry entry = plist.get(count);
            String plistString = new String(entry.getByteSequence().getData(), entry.getByteSequence().getOffset(),
                    entry.getByteSequence().getLength());
            assertEquals(origStr, plistString);
            count--;
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    protected void doTestRemove(final int COUNT) throws IOException {           
        Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>();
        for (int i = 0; i < COUNT; i++) {
            String test = new String("test" + i);
            ByteSequence bs = new ByteSequence(test.getBytes());
            map.put(test, bs);
            plist.addLast(test, bs);
        }
        assertEquals(plist.size(), COUNT);
        PListEntry entry = plist.getFirst();
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    public void testDestroyNonEmpty() throws Exception {
        final int COUNT = 1000;
        Map<String, ByteSequence> map = new LinkedHashMap<String, ByteSequence>();
        for (int i = 0; i < COUNT; i++) {
            String test = new String("test" + i);
            ByteSequence bs = new ByteSequence(test.getBytes());
            map.put(test, bs);
            plist.addLast(test, bs);
        }
        plist.destroy();
        assertEquals(0,plist.size());
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        assertNull("no first entry", plist.getFirst());
    }
   
    @Test
    public void testRemoveSecond() throws Exception {
        plist.addLast("First", new ByteSequence("A".getBytes()));
        plist.addLast("Second", new ByteSequence("B".getBytes()));
       
        assertTrue(plist.remove("Second"));
        assertTrue(plist.remove("First"));
        assertFalse(plist.remove("doesNotExist"));
    }
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    }
   
   
    @Test
    public void testRemoveSecondPosition() throws Exception {
        plist.addLast("First", new ByteSequence("A".getBytes()));
        plist.addLast("Second", new ByteSequence("B".getBytes()));
       
        assertTrue(plist.remove(1));
        assertTrue(plist.remove(0));
        assertFalse(plist.remove(3));
    }
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                    ref.set(get(tx, position));
                }
            });
        }
        if (ref.get() != null) {
            ByteSequence bs = this.store.getPayload(ref.get().getLocation());
            result = new PListEntry(ref.get(), bs);
        }
        return result;
    }
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                public void execute(Transaction tx) throws IOException {
                    ref.set(getFirst(tx));
                }
            });
            if (ref.get() != null) {
                ByteSequence bs = this.store.getPayload(ref.get().getLocation());
                result = new PListEntry(ref.get(), bs);
            }
        }
        return result;
    }
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