Package org.elasticsearch.common.io.stream

Examples of org.elasticsearch.common.io.stream.BytesStreamOutput

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    }

    private BytesReference writeHeader(int numFieldsWritten, boolean getTermStatistics, boolean getFieldStatistics) throws IOException {
        // now, write the information about offset of the terms in the
        // termVectors field
        BytesStreamOutput header = new BytesStreamOutput();
        header.writeString(HEADER);
        header.writeInt(CURRENT_VERSION);
        header.writeBoolean(getTermStatistics);
        header.writeBoolean(getFieldStatistics);
        header.writeVInt(numFieldsWritten);
        for (int i = 0; i < fields.size(); i++) {
            header.writeString(fields.get(i));
            header.writeVLong(fieldOffset.get(i).longValue());
        }
        header.close();
        return header.bytes();
    }
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        sendResponse(response, TransportResponseOptions.EMPTY);
    }

    @Override
    public void sendResponse(TransportResponse response, TransportResponseOptions options) throws IOException {
        BytesStreamOutput bStream = new BytesStreamOutput();
        StreamOutput stream = new HandlesStreamOutput(bStream);
        stream.setVersion(version);
        stream.writeLong(requestId);
        byte status = 0;
        status = TransportStatus.setResponse(status);
        stream.writeByte(status); // 0 for request, 1 for response.
        response.writeTo(stream);
        stream.close();
        final byte[] data = bStream.bytes().toBytes();
        targetTransport.workers().execute(new Runnable() {
            @Override
            public void run() {
                targetTransport.messageReceived(data, action, sourceTransport, version, null);
            }
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        });
    }

    @Override
    public void sendResponse(Throwable error) throws IOException {
        BytesStreamOutput stream = new BytesStreamOutput();
        try {
            writeResponseExceptionHeader(stream);
            RemoteTransportException tx = new RemoteTransportException(targetTransport.nodeName(), targetTransport.boundAddress().boundAddress(), action, error);
            ThrowableObjectOutputStream too = new ThrowableObjectOutputStream(stream);
            too.writeObject(tx);
            too.close();
        } catch (NotSerializableException e) {
            stream.reset();
            writeResponseExceptionHeader(stream);
            RemoteTransportException tx = new RemoteTransportException(targetTransport.nodeName(), targetTransport.boundAddress().boundAddress(), action, new NotSerializableTransportException(error));
            ThrowableObjectOutputStream too = new ThrowableObjectOutputStream(stream);
            too.writeObject(tx);
            too.close();
        }
        final byte[] data = stream.bytes().toBytes();
        targetTransport.workers().execute(new Runnable() {
            @Override
            public void run() {
                targetTransport.messageReceived(data, action, sourceTransport, version, null);
            }
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    public void testSerialization() throws Exception {
        int iterations = randomIntBetween(5, 20);
        for (int i = 0; i < iterations; i++) {
            IndicesOptions indicesOptions = IndicesOptions.fromOptions(randomBoolean(), randomBoolean(), randomBoolean(), randomBoolean(), randomBoolean(), randomBoolean());

            BytesStreamOutput output = new BytesStreamOutput();
            Version outputVersion = randomVersion();
            output.setVersion(outputVersion);
            indicesOptions.writeIndicesOptions(output);

            BytesStreamInput bytesStreamInput = new BytesStreamInput(output.bytes());
            bytesStreamInput.setVersion(randomVersion());
            IndicesOptions indicesOptions2 = IndicesOptions.readIndicesOptions(bytesStreamInput);

            assertThat(indicesOptions2.ignoreUnavailable(), equalTo(indicesOptions.ignoreUnavailable()));
            assertThat(indicesOptions2.allowNoIndices(), equalTo(indicesOptions.allowNoIndices()));
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                while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
                    if (token == XContentParser.Token.FIELD_NAME) {
                        currentFieldName = parser.currentName();
                    } else if (token == XContentParser.Token.START_OBJECT) {
                        if ("doc".equals(currentFieldName)) {
                            BytesStreamOutput bStream = new BytesStreamOutput();
                            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.SMILE, bStream);
                            builder.copyCurrentStructure(parser);
                            builder.close();
                            doc.setSource(bStream.bytes());
                            break;
                        } else {
                            parser.skipChildren();
                        }
                    } else if (token == null) {
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        SourceLookup source = context.lookup().source();
        Object value = source.filter(fetchSourceContext.includes(), fetchSourceContext.excludes());
        try {
            final int initialCapacity = Math.min(1024, source.internalSourceRef().length());
            BytesStreamOutput streamOutput = new BytesStreamOutput(initialCapacity);
            XContentBuilder builder = new XContentBuilder(context.lookup().source().sourceContentType().xContent(), streamOutput);
            builder.value(value);
            hitContext.hit().sourceRef(builder.bytes());
        } catch (IOException e) {
            throw new ElasticsearchException("Error filtering source", e);
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    public static void globalFieldCaseConversion(FieldCaseConversion globalFieldCaseConversion) {
        XContentBuilder.globalFieldCaseConversion = globalFieldCaseConversion;
    }

    public static XContentBuilder builder(XContent xContent) throws IOException {
        return new XContentBuilder(xContent, new BytesStreamOutput());
    }
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     *            map of variables to use during substitution.
     *
     * @return the processed string with all given variables substitued.
     * */
    public Object execute(Object template, Map<String, Object> vars) {
        BytesStreamOutput result = new BytesStreamOutput();
        UTF8StreamWriter writer = utf8StreamWriter().setOutput(result);
        ((Mustache) template).execute(writer, vars);
        try {
            writer.flush();
        } catch (IOException e) {
            logger.error("Could not execute query template (failed to flush writer): ", e);
        } finally {
            try {
                writer.close();
            } catch (IOException e) {
                logger.error("Could not execute query template (failed to close writer): ", e);
            }
        }
        return result.bytes();
    }
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            this.vars.put(name, value);
        }

        @Override
        public Object run() {
            BytesStreamOutput result = new BytesStreamOutput();
            UTF8StreamWriter writer = utf8StreamWriter().setOutput(result);
            ((Mustache) mustache).execute(writer, vars);
            try {
                writer.flush();
            } catch (IOException e) {
                logger.error("Could not execute query template (failed to flush writer): ", e);
            } finally {
                try {
                    writer.close();
                } catch (IOException e) {
                    logger.error("Could not execute query template (failed to close writer): ", e);
                }
            }
            return result.bytes();
        }
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    }

    public void testWriteToOutputStream() throws IOException {
        int length = randomIntBetween(10, PAGE_SIZE * 4);
        BytesReference pbr = getRandomizedPagedBytesReference(length);
        BytesStreamOutput out = new BytesStreamOutput();
        pbr.writeTo(out);
        assertEquals(pbr.length(), out.size());
        assertArrayEquals(pbr.toBytes(), out.bytes().toBytes());
        out.close();
    }
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