Examples of com.netflix.zeno.fastblob.io.FastBlobReader.readDelta()

Class com.netflix.zeno.fastblob.io.FastBlobReader

Examples of com.netflix.zeno.fastblob.io.FastBlobReader.readDelta()

com.netflix.zeno.fastblob.io.FastBlobReader.readDelta()
Read a delta from the specified stream. Apply the delta to the FastBlobStateEngine supplied in the constructor of this class.
This method performs no validation of the data. It is assumed that the data currently represented in the FastBlobStateEngine is in the state which the server was in when it was produced this delta. Otherwise, the results are undefined.

        FastBlobReader reader = new FastBlobReader(stateEngine);
        reader.readSnapshot(new ByteArrayInputStream(snapshot1));


        TestTypeDeserializationStateListener listener = new TestTypeDeserializationStateListener();
        stateEngine.setTypeDeserializationStateListener("TypeF", listener);
        reader.readDelta(new ByteArrayInputStream(delta));


        Assert.assertEquals(3, listener.getRemovedValuesSize());
        Assert.assertEquals(2, listener.getRemovedValueOrdinal(3));
        Assert.assertEquals(2, listener.getAddedValuesSize());
        Assert.assertEquals(10, listener.getAddedValueOrdinal(11));

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        try {
            /// first read the snapshot
            reader.readSnapshot(snapshotStream);
            /// then apply the delta
            reader.readDelta(deltaStream);
        } catch (IOException e) {
            /// either of these methods throws an exception if the FastBlobReader
            /// is unable to read from the provided stream.
        } finally {
            /// it is your responsibility to close the streams.  The FastBlobReader will not do this.

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        try {
            /// first read the snapshot
            reader.readSnapshot(snapshotStream);
            /// then apply the delta
            reader.readDelta(deltaStream);
        } catch (IOException e) {
            /// either of these methods throws an exception if the FastBlobReader
            /// is unable to read from the provided stream.
        } finally {
            /// it is your responsibility to close the streams.  The FastBlobReader will not do this.

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