//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void assertFind(KeyValueStoreFile file, int min, int max, boolean exact, Bytes... expected) throws java.io.IOException
private static void AssertFind(KeyValueStoreFile file, int min, int max, bool exact, params Bytes[] expected)
{
Pair <bool, IList <Bytes> > result = Find(file, min, max);
assertEquals("exact match", exact, result.First());
assertEquals(string.Format("find(min={0:D}, max={1:D})", min, max), Arrays.asList(expected), result.Other());
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static void assertEntries(final int expected, KeyValueStoreFile file) throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
internal static void AssertEntries(int expected, KeyValueStoreFile file)
{
//JAVA TO C# CONVERTER TODO TASK: Local classes are not converted by Java to C# Converter:
// class Visitor implements KeyValueVisitor
// {
// int visited;
//
// @@Override public boolean visit(ReadableBuffer key, ReadableBuffer value)
// {
// if (++visited > expected)
// {
// fail("should not have more than " + expected + " data entries");
// }
// return true;
// }
//
// void done()
// {
// assertEquals("number of entries", expected, visited);
// }
// }
Visitor visitor = new Visitor();
file.Scan(visitor);
visitor.done();
}
public DataProviderAnonymousInnerClass(KeyValueStoreFile outerInstance, PageCursor cursor)
{
this.outerInstance = outerInstance;
this._cursor = cursor;
offset = outerInstance.headerEntries * (outerInstance.keySize + outerInstance.valueSize);
done = !cursor.Next();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFindEntriesInFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldFindEntriesInFile()
{
// given
Format format = new Format(this, "one", "two");
IDictionary <string, sbyte[]> headers = new Dictionary <string, sbyte[]>();
headers["one"] = new sbyte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
headers["two"] = new sbyte[] { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 };
IDictionary <string, string> config = new Dictionary <string, string>();
config[GraphDatabaseSettings.pagecache_memory.name()] = "8M";
Data data = data(entry(Bytes(17), Bytes('v', 'a', 'l', 1)), entry(Bytes(22), Bytes('v', 'a', 'l', 2)), entry(Bytes(22), Bytes('v', 'a', 'l', 3)), entry(Bytes(25), Bytes('v', 'a', 'l', 4)), entry(Bytes(27), Bytes('v', 'a', 'l', 5)), entry(Bytes(27), Bytes('v', 'a', 'l', 6)), entry(Bytes(31), Bytes('v', 'a', 'l', 7)), entry(Bytes(63), Bytes('v', 'a', 'l', 8)), entry(Bytes(127), Bytes('v', 'a', 'l', 9)), entry(Bytes(255), Bytes('v', 'a', 'l', 10)), entry(Bytes(511), Bytes('v', 'a', 'l', 11)), entry(Bytes(1023), Bytes('v', 'a', 'l', 12)), entry(Bytes(1050), Bytes('v', 'a', 'l', 13)), entry(Bytes(2000), Bytes('v', 'a', 'l', 14)));
// when
using (KeyValueStoreFile file = format.Create(config, headers, data))
{
// then
AssertFind(file, 17, 17, true, new Bytes('v', 'a', 'l', 1));
AssertFind(file, 22, 22, true, new Bytes('v', 'a', 'l', 2), new Bytes('v', 'a', 'l', 3));
AssertFind(file, 25, 25, true, new Bytes('v', 'a', 'l', 4));
AssertFind(file, 27, 27, true, new Bytes('v', 'a', 'l', 5), new Bytes('v', 'a', 'l', 6));
AssertFind(file, 26, 30, false, new Bytes('v', 'a', 'l', 5), new Bytes('v', 'a', 'l', 6));
AssertFind(file, 31, 31, true, new Bytes('v', 'a', 'l', 7));
AssertFind(file, 32, 1024, false, new Bytes('v', 'a', 'l', 8), new Bytes('v', 'a', 'l', 9), new Bytes('v', 'a', 'l', 10), new Bytes('v', 'a', 'l', 11), new Bytes('v', 'a', 'l', 12));
AssertFind(file, 1050, 1050, true, new Bytes('v', 'a', 'l', 13));
AssertFind(file, 2000, 2000, true, new Bytes('v', 'a', 'l', 14));
AssertFind(file, 1500, 8000, false, new Bytes('v', 'a', 'l', 14));
AssertFind(file, 1050, 8000, true, new Bytes('v', 'a', 'l', 13), new Bytes('v', 'a', 'l', 14));
AssertFind(file, 2001, int.MaxValue, false);
}
}
internal override KeyValueStoreFile Open(Metadata metadata, int keySize, int valueSize)
{
KeyValueStoreFile result = new KeyValueStoreFile(File, keySize, valueSize, metadata);
Opened = true;
return(result);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateAndOpenStoreWithNoDataAndEmptyHeader() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldCreateAndOpenStoreWithNoDataAndEmptyHeader()
{
// given
Format format = new Format(this);
// when
using (KeyValueStoreFile file = format.Create(NoHeaders(), NoData()))
{
// then
assertTrue(file.Headers().fields().Count == 0);
AssertEntries(0, file);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: protected final void visitFile(java.io.File path, Visitor visitor) throws java.io.IOException
protected internal void VisitFile(File path, Visitor visitor)
{
using (KeyValueStoreFile file = RotationStrategy.openStoreFile(path))
{
if (visitor is MetadataVisitor)
{
(( MetadataVisitor )visitor).VisitMetadata(path, file.Headers(), file.EntryCount());
}
using (DataProvider provider = file.DataProvider())
{
Transfer(provider, visitor);
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailAfterEnoughAttempts() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldFailAfterEnoughAttempts()
{
// given
WritableBuffer buffer = mock(typeof(WritableBuffer));
PageCursor cursor = mock(typeof(PageCursor));
when(cursor.ShouldRetry()).thenReturn(true);
when(cursor.CurrentFile).thenReturn(new File("foo/bar.a"));
// then
Exception.expect(typeof(UnderlyingStorageException));
// when
KeyValueStoreFile.ReadKeyValuePair(cursor, 42, buffer, buffer);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateAndOpenStoreWithDataAndEmptyHeader() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldCreateAndOpenStoreWithDataAndEmptyHeader()
{
// given
Format format = new Format(this);
Data data = data(entry(new sbyte[] { ( sbyte )'o', ( sbyte )'n', ( sbyte )'e' }, new sbyte[] { ( sbyte )'a', ( sbyte )'l', ( sbyte )'p', ( sbyte )'h', ( sbyte )'a' }), entry(new sbyte[] { ( sbyte )'t', ( sbyte )'w', ( sbyte )'o' }, new sbyte[] { ( sbyte )'b', ( sbyte )'e', ( sbyte )'t', ( sbyte )'a' }), entry(new sbyte[] { ( sbyte )'z', ( sbyte )'e', ( sbyte )'d' }, new sbyte[] { ( sbyte )'o', ( sbyte )'m', ( sbyte )'e', ( sbyte )'g', ( sbyte )'a' }));
// when
using (KeyValueStoreFile file = format.Create(NoHeaders(), data))
{
// then
assertTrue(file.Headers().fields().Count == 0);
file.Scan(ExpectData(data));
assertEquals("number of entries", 3, data.Index);
AssertEntries(3, file);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateAndOpenStoreWithNoDataWithHeader() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldCreateAndOpenStoreWithNoDataWithHeader()
{
// given
Format format = new Format(this, "abc", "xyz");
IDictionary <string, sbyte[]> headers = new Dictionary <string, sbyte[]>();
headers["abc"] = new sbyte[] { ( sbyte )'h', ( sbyte )'e', ( sbyte )'l', ( sbyte )'l', ( sbyte )'o', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
headers["xyz"] = new sbyte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ( sbyte )'w', ( sbyte )'o', ( sbyte )'r', ( sbyte )'l', ( sbyte )'d' };
// when
using (KeyValueStoreFile file = format.Create(headers, NoData()))
{
// then
AssertDeepEquals(headers, file.Headers());
AssertEntries(0, file);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static org.neo4j.helpers.collection.Pair<bool,java.util.List<Bytes>> find(KeyValueStoreFile file, final int min, final int max) throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
private static Pair <bool, IList <Bytes> > Find(KeyValueStoreFile file, int min, int max)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<Bytes> values = new java.util.ArrayList<>();
IList <Bytes> values = new List <Bytes>();
bool result = file.Scan(key => key.putInt(key.size() - 4, min), (key, value) =>
{
if (key.getInt(key.size() - 4) <= max)
{
values.Add(new Bytes(value.get(0, new sbyte[value.size()])));
return(true);
}
return(false);
});
return(Pair.of(result, values));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateAndOpenEmptyStoreWithHeader() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldCreateAndOpenEmptyStoreWithHeader()
{
// given
Format format = new Format(this, "foo", "bar");
IDictionary <string, sbyte[]> headers = new Dictionary <string, sbyte[]>();
headers["foo"] = new sbyte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ( sbyte )'f', ( sbyte )'o', ( sbyte )'o' };
headers["bar"] = new sbyte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ( sbyte )'b', ( sbyte )'a', ( sbyte )'r' };
// when
format.CreateEmpty(headers);
// then
using (KeyValueStoreFile file = format.Open())
{
AssertDeepEquals(headers, file.Headers());
AssertEntries(0, file);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldTruncateTheFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldTruncateTheFile()
{
IDictionary <string, string> config = new Dictionary <string, string>();
config[GraphDatabaseSettings.pagecache_memory.name()] = "8M";
{
// given a well written file
Format format = new Format(this, "one", "two");
IDictionary <string, sbyte[]> headers = new Dictionary <string, sbyte[]>();
headers["one"] = new sbyte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
headers["two"] = new sbyte[] { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 };
Data data = data(entry(Bytes(12), Bytes('v', 'a', 'l', 1)), entry(Bytes(13), Bytes('v', 'a', 'l', 2)), entry(Bytes(15), Bytes('v', 'a', 'l', 3)), entry(Bytes(16), Bytes('v', 'a', 'l', 4)), entry(Bytes(17), Bytes('v', 'a', 'l', 5)), entry(Bytes(18), Bytes('v', 'a', 'l', 6)));
using (KeyValueStoreFile ignored = format.Create(config, headers, data))
{
}
}
{
// when failing on creating the next version of that file
Format format = new Format(this, "three", "four");
IDictionary <string, sbyte[]> headers = new Dictionary <string, sbyte[]>();
headers["three"] = new sbyte[] { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
headers["four"] = new sbyte[] { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 };
DataProvider data = new DataProviderAnonymousInnerClass(this);
try
{
using (KeyValueStoreFile ignored = format.Create(config, headers, data))
{
}
}
catch (IOException io)
{
// then only headers are present in the file and not the old content
assertEquals("boom!", io.Message);
AssertFormatSpecifierAndHeadersOnly(headers, Fs.get(), StoreFile);
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotFindAnythingWhenSearchKeyIsAfterTheLastKey() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotFindAnythingWhenSearchKeyIsAfterTheLastKey()
{
// given
Format format = new Format(this);
IDictionary <string, sbyte[]> metadata = new Dictionary <string, sbyte[]>();
IDictionary <string, string> config = new Dictionary <string, string>();
config[GraphDatabaseSettings.pagecache_memory.name()] = "8M";
Data data = data(entry(Bytes(12), Bytes('v', 'a', 'l', 1)), entry(Bytes(13), Bytes('v', 'a', 'l', 2)), entry(Bytes(15), Bytes('v', 'a', 'l', 3)), entry(Bytes(16), Bytes('v', 'a', 'l', 4)), entry(Bytes(17), Bytes('v', 'a', 'l', 5)), entry(Bytes(18), Bytes('v', 'a', 'l', 6)));
// when
using (KeyValueStoreFile file = format.Create(config, metadata, data))
{
// then
AssertFind(file, 14, 15, false, new Bytes('v', 'a', 'l', 3)); // after the first page
AssertFind(file, 19, 25, false); // after the second page
AssertFind(file, 18, 25, true, new Bytes('v', 'a', 'l', 6)); // last entry of the last page
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateAndOpenStoreWithDataAndHeader() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldCreateAndOpenStoreWithDataAndHeader()
{
// given
Format format = new Format(this, "abc", "xyz");
IDictionary <string, sbyte[]> headers = new Dictionary <string, sbyte[]>();
headers["abc"] = new sbyte[] { ( sbyte )'h', ( sbyte )'e', ( sbyte )'l', ( sbyte )'l', ( sbyte )'o', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
headers["xyz"] = new sbyte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ( sbyte )'w', ( sbyte )'o', ( sbyte )'r', ( sbyte )'l', ( sbyte )'d' };
Data data = data(entry(new sbyte[] { ( sbyte )'o', ( sbyte )'n', ( sbyte )'e' }, new sbyte[] { ( sbyte )'a', ( sbyte )'l', ( sbyte )'p', ( sbyte )'h', ( sbyte )'a' }), entry(new sbyte[] { ( sbyte )'t', ( sbyte )'w', ( sbyte )'o' }, new sbyte[] { ( sbyte )'b', ( sbyte )'e', ( sbyte )'t', ( sbyte )'a' }), entry(new sbyte[] { ( sbyte )'z', ( sbyte )'e', ( sbyte )'d' }, new sbyte[] { ( sbyte )'o', ( sbyte )'m', ( sbyte )'e', ( sbyte )'g', ( sbyte )'a' }));
// when
using (KeyValueStoreFile file = format.Create(headers, data))
{
// then
AssertDeepEquals(headers, file.Headers());
file.Scan(ExpectData(data));
assertEquals("number of entries", 3, data.Index);
AssertEntries(3, file);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public final org.neo4j.helpers.collection.Pair<java.io.File, KeyValueStoreFile> open() throws java.io.IOException
public Pair <File, KeyValueStoreFile> Open()
{
KeyValueStoreFile result = null;
File path = null;
foreach (File candidatePath in CandidateFiles())
{
KeyValueStoreFile file;
if (Fs.fileExists(candidatePath))
{
try
{
file = _format.openStore(Fs, Pages, candidatePath);
}
catch (Exception e)
{
_monitor.failedToOpenStoreFile(candidatePath, e);
continue;
}
if (result == null || _format.compareHeaders(result.Headers(), file.Headers()) < 0)
{
if (result != null)
{
result.Dispose();
}
result = file;
path = candidatePath;
}
else
{
file.Dispose();
}
}
}
return(result == null ? null : Pair.of(path, result));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotPickCorruptStoreFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotPickCorruptStoreFile()
{
// given
Store store = CreateTestStore();
RotationStrategy rotation = store.RotationStrategy;
// when
File[] files = new File[10];
{
Pair <File, KeyValueStoreFile> file = rotation.Create(EMPTY_DATA_PROVIDER, 1);
files[0] = file.First();
for (int txId = 2, i = 1; i < Files.Length; txId <<= 1, i++)
{
KeyValueStoreFile old = file.Other();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int data = txId;
int data = txId;
file = rotation.Next(file.First(), Headers.HeadersBuilder().put(TX_ID, (long)txId).headers(), data((Entry)(key, value) =>
{
key.putByte(0, ( sbyte )'f');
key.putByte(1, ( sbyte )'o');
key.putByte(2, ( sbyte )'o');
value.putInt(0, data);
}));
old.Dispose();
files[i] = file.First();
}
file.Other().Dispose();
}
// Corrupt the last files
using (StoreChannel channel = _resourceManager.fileSystem().open(files[9], OpenMode.READ_WRITE))
{ // ruin the header
channel.Position(16);
ByteBuffer value = ByteBuffer.allocate(16);
value.put(( sbyte )0);
value.flip();
channel.WriteAll(value);
}
using (StoreChannel channel = _resourceManager.fileSystem().open(files[8], OpenMode.READ_WRITE))
{ // ruin the header
channel.Position(32);
ByteBuffer value = ByteBuffer.allocate(16);
value.put(( sbyte )17);
value.flip();
channel.WriteAll(value);
}
using (StoreChannel channel = _resourceManager.fileSystem().open(files[7], OpenMode.READ_WRITE))
{ // ruin the header
channel.Position(32 + 32 + 32 + 16);
ByteBuffer value = ByteBuffer.allocate(16);
value.putLong(0);
value.putLong(0);
value.flip();
channel.WriteAll(value);
}
// then
using (Lifespan life = new Lifespan())
{
life.Add(store);
assertEquals(64L, store.Headers().get(TX_ID).longValue());
}
}