Esempio n. 1
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void execute(GBPTree<KEY,VALUE> index) throws java.io.IOException
            public override void Execute(GBPTree <KEY, VALUE> index)
            {
                using (Writer <KEY, VALUE> writer = index.Writer())
                {
                    for (int i = 0; i < DataConflict.Length;)
                    {
                        writer.Put(outerInstance.key(DataConflict[i++]), outerInstance.value(DataConflict[i++]));
                    }
                }
            }
Esempio n. 2
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void execute(GBPTree<KEY,VALUE> index) throws java.io.IOException
            public override void Execute(GBPTree <KEY, VALUE> index)
            {
                using (Writer <KEY, VALUE> writer = index.Writer())
                {
                    for (int i = 0; i < DataConflict.Length;)
                    {
                        KEY key = key(DataConflict[i++]);
                        i++;                                   // value
                        writer.Remove(key);
                    }
                }
            }
Esempio n. 3
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: protected void createStoreFile(java.io.File storeFile) throws java.io.IOException
		 protected internal override void CreateStoreFile( File storeFile )
		 {
			  IList<long> initialKeys = initialKeys();
			  PageCache pageCache = _pageCacheRule.getPageCache( GlobalFs.get() );
			  using ( GBPTree<MutableLong, MutableLong> tree = ( new GBPTreeBuilder<MutableLong, MutableLong>( pageCache, storeFile, Layout ) ).build() )
			  {
					using ( Writer<MutableLong, MutableLong> writer = tree.Writer() )
					{
						 foreach ( long? key in initialKeys )
						 {
							  Put( writer, key.Value );
						 }
					}
					tree.Checkpoint( Org.Neo4j.Io.pagecache.IOLimiter_Fields.Unlimited );
			  }
		 }
Esempio n. 4
0
        /* Randomized tests */

//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSplitCorrectly() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldSplitCorrectly()
        {
            // GIVEN
            using (GBPTree <KEY, VALUE> index = index())
            {
                // WHEN
                int         count = 1_000;
                IList <KEY> seen  = new List <KEY>(count);
                using (Writer <KEY, VALUE> writer = index.Writer())
                {
                    for (int i = 0; i < count; i++)
                    {
                        KEY key;
                        do
                        {
                            key = key(_random.Next(100_000));
                        } while (ListContains(seen, key));
                        VALUE value = value(i);
                        writer.Put(key, value);
                        seen.Add(key);
                    }
                }

                // THEN
                using (RawCursor <Hit <KEY, VALUE>, IOException> cursor = index.Seek(Key(0), Key(long.MaxValue)))
                {
                    long prev = -1;
                    while (cursor.Next())
                    {
                        KEY  hit     = cursor.get().key();
                        long hitSeed = _layout.keySeed(hit);
                        if (hitSeed < prev)
                        {
                            fail(hit + " smaller than prev " + prev);
                        }
                        prev = hitSeed;
                        assertTrue(RemoveFromList(seen, hit));
                    }

                    if (seen.Count > 0)
                    {
                        fail("expected hits " + seen);
                    }
                }
            }
        }
Esempio n. 5
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void shouldWriteAndReadEntriesOfRandomSizes(int minKeySize, int maxKeySize, int minValueSize, int maxValueSize) throws java.io.IOException
        private void ShouldWriteAndReadEntriesOfRandomSizes(int minKeySize, int maxKeySize, int minValueSize, int maxValueSize)
        {
            // given
            using (GBPTree <RawBytes, RawBytes> tree = CreateIndex(Layout()))
            {
                // when
                ISet <string> generatedStrings             = new HashSet <string>();
                IList <Pair <RawBytes, RawBytes> > entries = new List <Pair <RawBytes, RawBytes> >();
                using (Writer <RawBytes, RawBytes> writer = tree.Writer())
                {
                    for (int i = 0; i < 1_000; i++)
                    {
                        // value, based on i
                        RawBytes value = new RawBytes();
                        value.Bytes = new sbyte[Random.Next(minValueSize, maxValueSize)];
                        Random.NextBytes(value.Bytes);

                        // key, randomly generated
                        string @string;
                        do
                        {
                            @string = Random.nextAlphaNumericString(minKeySize, maxKeySize);
                        } while (!generatedStrings.Add(@string));
                        RawBytes key = new RawBytes();
                        key.Bytes = UTF8.encode(@string);
                        entries.Add(Pair.of(key, value));

                        // write
                        writer.Put(key, value);
                    }
                }

                // then
                foreach (Pair <RawBytes, RawBytes> entry in entries)
                {
                    using (RawCursor <Hit <RawBytes, RawBytes>, IOException> seek = tree.Seek(entry.First(), entry.First()))
                    {
                        assertTrue(seek.Next());
                        assertArrayEquals(entry.First().Bytes, seek.get().key().bytes);
                        assertArrayEquals(entry.Other().Bytes, seek.get().value().bytes);
                        assertFalse(seek.Next());
                    }
                }
            }
        }
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void buildTree(org.neo4j.values.storable.Value[] values) throws java.io.IOException
        private void BuildTree(Value[] values)
        {
            using (GBPTree <NumberIndexKey, NativeIndexValue> gbpTree = Tree)
            {
                using (Writer <NumberIndexKey, NativeIndexValue> writer = gbpTree.Writer())
                {
                    NumberIndexKey   key    = Layout.newKey();
                    NativeIndexValue value  = Layout.newValue();
                    long             nodeId = 0;
                    foreach (Value number in values)
                    {
                        key.initialize(nodeId);
                        key.initFromValue(0, number, NEUTRAL);
                        value.From(number);
                        writer.Put(key, value);
                        nodeId++;
                    }
                }
                gbpTree.Checkpoint(Org.Neo4j.Io.pagecache.IOLimiter_Fields.Unlimited);
            }
        }
Esempio n. 7
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: void prepareIndex(GBPTree<KEY,VALUE> index, java.util.TreeSet<long> dataInIndex, java.util.Queue<long> toRemove, java.util.Queue<long> toAdd, java.util.Random random) throws java.io.IOException
            internal virtual void PrepareIndex(GBPTree <KEY, VALUE> index, SortedSet <long> dataInIndex, LinkedList <long> toRemove, LinkedList <long> toAdd, Random random)
            {
                IList <long> fullRange       = LongStream.range(MinRange, MaxRange).boxed().collect(Collectors.toList());
                IList <long> rangeOutOfOrder = ShuffleToNewList(fullRange, random);

                using (Writer <KEY, VALUE> writer = index.Writer())
                {
                    foreach (long?key in rangeOutOfOrder)
                    {
                        bool addForRemoval = random.NextDouble() > WritePercentage;
                        if (addForRemoval)
                        {
                            writer.Put(key(key), outerInstance.value(key.Value));
                            dataInIndex.Add(key);
                            toRemove.AddLast(key);
                        }
                        else
                        {
                            toAdd.AddLast(key);
                        }
                    }
                }
            }
Esempio n. 8
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSeeSimpleInsertions() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldSeeSimpleInsertions()
        {
            using (GBPTree <KEY, VALUE> index = index())
            {
                int count = 1000;
                using (Writer <KEY, VALUE> writer = index.Writer())
                {
                    for (int i = 0; i < count; i++)
                    {
                        writer.Put(Key(i), Value(i));
                    }
                }

                using (RawCursor <Hit <KEY, VALUE>, IOException> cursor = index.Seek(Key(0), Key(long.MaxValue)))
                {
                    for (int i = 0; i < count; i++)
                    {
                        assertTrue(cursor.Next());
                        AssertEqualsKey(Key(i), cursor.get().key());
                    }
                    assertFalse(cursor.Next());
                }
            }
        }
Esempio n. 9
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void mustStayCorrectWhenInsertingValuesOfIncreasingLength() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void MustStayCorrectWhenInsertingValuesOfIncreasingLength()
        {
            Layout <RawBytes, RawBytes> layout = layout();

            using (GBPTree <RawBytes, RawBytes> index = CreateIndex(layout), Writer <RawBytes, RawBytes> writer = index.Writer())
            {
                RawBytes emptyValue = layout.NewValue();
                emptyValue.Bytes = new sbyte[0];
                for (int keySize = 1; keySize < index.KeyValueSizeCap(); keySize++)
                {
                    RawBytes key = layout.NewKey();
                    key.Bytes = new sbyte[keySize];
                    writer.Put(key, emptyValue);
                }
            }
        }
Esempio n. 10
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void verifyContent(java.io.File storeFile) throws java.io.IOException
		 public override void VerifyContent( File storeFile )
		 {
			  PageCache pageCache = _pageCacheRule.getPageCache( GlobalFs.get() );
			  using ( GBPTree<MutableLong, MutableLong> tree = ( new GBPTreeBuilder<MutableLong, MutableLong>( pageCache, storeFile, Layout ) ).build() )
			  {
					{
						 // WHEN reading from the tree
						 // THEN initial keys should be there
						 tree.ConsistencyCheck();
						 using ( RawCursor<Hit<MutableLong, MutableLong>, IOException> cursor = tree.Seek( Layout.key( 0 ), Layout.key( long.MaxValue ) ) )
						 {
							  foreach ( long? expectedKey in _initialKeys )
							  {
									AssertHit( cursor, expectedKey );
							  }
							  assertFalse( cursor.Next() );
						 }
					}

					{
						 // WHEN writing more to the tree
						 // THEN we should not see any format conflicts
						 using ( Writer<MutableLong, MutableLong> writer = tree.Writer() )
						 {
							  while ( _keysToAdd.Count > 0 )
							  {
									int next = _random.Next( _keysToAdd.Count );
									Put( writer, _keysToAdd[next] );
									_keysToAdd.RemoveAt( next );
							  }
						 }
					}

					{
						 // WHEN reading from the tree again
						 // THEN all keys including newly added should be there
						 tree.ConsistencyCheck();
						 using ( RawCursor<Hit<MutableLong, MutableLong>, IOException> cursor = tree.Seek( Layout.key( 0 ), Layout.key( 2 * INITIAL_KEY_COUNT ) ) )
						 {
							  foreach ( long? expectedKey in _allKeys )
							  {
									AssertHit( cursor, expectedKey );
							  }
							  assertFalse( cursor.Next() );
						 }
					}

					{
						 // WHEN randomly removing half of tree content
						 // THEN we should not see any format conflicts
						 using ( Writer<MutableLong, MutableLong> writer = tree.Writer() )
						 {
							  int size = _allKeys.Count;
							  while ( _allKeys.Count > size / 2 )
							  {
									int next = _random.Next( _allKeys.Count );
									MutableLong key = Layout.key( _allKeys[next] );
									writer.Remove( key );
									_allKeys.RemoveAt( next );
							  }
						 }
					}

					{
						 // WHEN reading from the tree after remove
						 // THEN we should see everything that is left in the tree
						 tree.ConsistencyCheck();
						 using ( RawCursor<Hit<MutableLong, MutableLong>, IOException> cursor = tree.Seek( Layout.key( 0 ), Layout.key( 2 * INITIAL_KEY_COUNT ) ) )
						 {
							  foreach ( long? expectedKey in _allKeys )
							  {
									AssertHit( cursor, expectedKey );
							  }
							  assertFalse( cursor.Next() );
						 }
					}
			  }
		 }
Esempio n. 11
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private Writer<KEY,VALUE> createWriter(GBPTree<KEY,VALUE> index) throws java.io.IOException
        private Writer <KEY, VALUE> CreateWriter(GBPTree <KEY, VALUE> index)
        {
            return(index.Writer(_ratioToKeepInLeftOnSplit));
        }