public AvroRepository(IAvroFileValueDef <V> valueDef, string rootDirectory, IValueLocationStrategy valueLocationStrategy, Codec.Type codec)
{
ValueDef = Preconditions.CheckNotNullArgument(valueDef);
RootDirectory = Preconditions.CheckNotNullArgument(rootDirectory);
ValueLocationStrategy = Preconditions.CheckNotNullArgument(valueLocationStrategy);
Codec = codec;
}
public AvroWriter(IAvroFileValueDef <V> valueDef, FileStream stream, Codec.Type codec) : base(valueDef, stream)
{
Preconditions.CheckArgument(Stream.CanWrite);
var datumWriter = new GenericDatumWriter <GenericRecord>(ValueDef.Schema);
mWriter = DataFileWriter <GenericRecord> .OpenWriter(datumWriter, Stream, Codec.CreateCodec(codec));
Stream.Position = Stream.Length;
}
public AvroRandomAccessReader(IAvroFileValueDef <V> valueDef, FileStream stream, AvroRandomAccessIndex <V> index = null)
: base(valueDef, stream)
{
Preconditions.CheckArgument(Stream.CanSeek);
Index = index ?? new AvroRandomAccessIndex <V>(IndexFileName);
if (index == null)
{
Preconditions.CheckState(File.Exists(IndexFileName), "Random access index is not available");
Index.Read();
}
}
public AvroRandomAccessWriter(IAvroFileValueDef <V> valueDef, string fileName, AvroRandomAccessIndex <V> index = null, FileShare share = FileShare.None)
: base(valueDef, new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, share))
{
Index = index ?? new AvroRandomAccessIndex <V>(IndexFileName);
if (index == null)
{
if (File.Exists(IndexFileName))
{
Index.Read();
}
else
{
BuildIndex();
}
}
}
public AvroRandomAccessWriter(IAvroFileValueDef <V> valueDef, FileStream stream, AvroRandomAccessIndex <V> index)
: base(valueDef, stream)
{
Preconditions.CheckArgument(Stream.CanSeek);
Index = index ?? new AvroRandomAccessIndex <V>(IndexFileName);
if (index == null)
{
if (File.Exists(IndexFileName))
{
Index.Read();
}
else
{
BuildIndex();
}
}
}
public AvroRepository(IAvroFileValueDef <V> valueDef, string rootDirectory, Codec.Type codec)
: this(valueDef, rootDirectory, new FilePerDayLocationStrategy(rootDirectory), codec)
{
Preconditions.CheckArgument(Directory.Exists(rootDirectory));
}
public AvroReader(IAvroFileValueDef <V> valueDef, string fileName, FileShare share = FileShare.None)
: this(valueDef, new FileStream(fileName, FileMode.Open, FileAccess.Read, share))
{
}
public AvroReader(IAvroFileValueDef <V> valueDef, FileStream stream) : base(valueDef, stream)
{
Preconditions.CheckArgument(Stream.CanRead);
Reset();
}
public AvroRandomAccessWriter(IAvroFileValueDef <V> valueDef, string fileName, Codec.Type codec, FileShare share = FileShare.None)
: base(valueDef, new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite, share), codec)
{
Index = new AvroRandomAccessIndex <V>(IndexFileName);
}
public AvroRandomAccessWriter(IAvroFileValueDef <V> valueDef, FileStream stream, Codec.Type codec)
: base(valueDef, stream, codec)
{
Preconditions.CheckArgument(Stream.CanSeek);
Index = new AvroRandomAccessIndex <V>(IndexFileName);
}
public AvroRandomAccessReader(IAvroFileValueDef <V> valueDef, string fileName, AvroRandomAccessIndex <V> index = null, FileShare share = FileShare.None)
: this(valueDef, new FileStream(fileName, FileMode.Open, FileAccess.Read, share), index)
{
}
protected AvroFileAccess(IAvroFileValueDef <V> valueDef, FileStream stream)
{
ValueDef = Preconditions.CheckNotNullArgument(valueDef);
Stream = Preconditions.CheckNotNullArgument(stream);
}
public AvroWriter(IAvroFileValueDef <V> valueDef, string fileName, Codec.Type codec, FileShare share = FileShare.None)
: this(valueDef, new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite, share), codec)
{
}
