260 lines
8.3 KiB
Java
260 lines
8.3 KiB
Java
/*
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* Copyright 2015 Alexander Nozik.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package inr.numass.client;
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import hep.dataforge.io.envelopes.DefaultEnvelopeReader;
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import hep.dataforge.io.envelopes.DefaultEnvelopeWriter;
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import hep.dataforge.io.envelopes.Envelope;
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import hep.dataforge.io.envelopes.EnvelopeBuilder;
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import hep.dataforge.io.messages.Responder;
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import hep.dataforge.meta.Meta;
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import hep.dataforge.meta.MetaBuilder;
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import hep.dataforge.storage.commons.MessageFactory;
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import hep.dataforge.storage.commons.StorageUtils;
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import hep.dataforge.tables.DataPoint;
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import hep.dataforge.values.Value;
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import inr.numass.storage.NumassStorage;
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import org.slf4j.LoggerFactory;
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import org.zeroturnaround.zip.ZipUtil;
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import java.io.*;
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import java.net.Socket;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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import java.nio.file.StandardOpenOption;
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import java.time.Instant;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* @author darksnake
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*/
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public class NumassClient implements AutoCloseable, Responder {
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Socket socket;
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MessageFactory mf = new MessageFactory();
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public NumassClient(String address, int port) throws IOException {
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socket = new Socket(address, port);
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socket.setSoTimeout(300);
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}
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public NumassClient(Meta meta) throws IOException {
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this(meta.getString("ip", "192.168.111.1"), meta.getInt("port", 8335));
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}
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@Override
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public void close() throws IOException {
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if (!socket.isClosed()) {
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write(mf.terminator(), socket.getOutputStream());
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}
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socket.close();
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}
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@Override
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public Envelope respond(Envelope message) {
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try {
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write(message, socket.getOutputStream());
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return read(socket.getInputStream());
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} catch (IOException ex) {
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LoggerFactory.getLogger(getClass()).error("Error in envelope exchange", ex);
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return mf.errorResponseBase(message, ex).build();
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}
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}
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private Envelope read(InputStream is) throws IOException {
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return new DefaultEnvelopeReader().readWithData(is);
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}
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private void write(Envelope envelope, OutputStream os) throws IOException {
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new DefaultEnvelopeWriter().write(os, envelope);
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os.flush();
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}
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private EnvelopeBuilder requestActionBase(String type, String action) {
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return mf.requestBase(type).putMetaValue("action", action);
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}
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public Meta getCurrentRun() {
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return respond(requestActionBase("numass.run", "get").build()).meta();
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}
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public Meta startRun(String name) {
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return respond(requestActionBase("numass.run", "start")
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.putMetaValue("path", name)
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.build()).meta();
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}
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public Meta resetRun() {
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return respond(requestActionBase("numass.run", "reset")
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.build()).meta();
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}
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public Meta sendNumassData(String path, String fileName) {
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try {
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File file = new File(fileName);
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ByteBuffer buffer;
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String zipName = null;
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if (file.isDirectory()) {
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File tmpFile = File.createTempFile(file.getName(), NumassStorage.NUMASS_ZIP_EXTENSION);
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tmpFile.deleteOnExit();
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ZipUtil.pack(file, tmpFile);
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zipName = file.getName();
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file = tmpFile;
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}
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if (file.toString().endsWith(NumassStorage.NUMASS_ZIP_EXTENSION)) {
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FileChannel channel = FileChannel.open(file.toPath(), StandardOpenOption.READ);
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buffer = ByteBuffer.allocate((int) channel.size());
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channel.read(buffer);
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if (zipName == null) {
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zipName = file.getName().replace(NumassStorage.NUMASS_ZIP_EXTENSION, "");
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}
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} else {
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return StorageUtils.getErrorMeta(new FileNotFoundException(fileName));
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}
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Envelope bin = mf.requestBase("numass.data")
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.putMetaValue("action", "push")
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.putMetaValue("path", path)
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.putMetaValue("name", zipName)
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.setData(buffer)
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.build();
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return respond(bin).meta();
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} catch (IOException ex) {
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return StorageUtils.getErrorMeta(ex);
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}
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}
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/**
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* Get state map for given state names from the root state loader. If
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* stateNames is empty, return all states.
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*
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* @param stateNames
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* @return
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*/
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public Map<String, Value> getStates(String... stateNames) {
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EnvelopeBuilder env = requestActionBase("numass.state", "get");
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if (stateNames.length > 0) {
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env.putMetaValue("name", Arrays.asList(stateNames));
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}
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Meta response = respond(env.build()).meta();
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if (response.getBoolean("success", true)) {
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Map<String, Value> res = new HashMap<>();
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response.getMetaList("state").stream().forEach((stateMeta) -> {
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res.put(stateMeta.getString("name"), stateMeta.getValue("value"));
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});
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return res;
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} else {
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return null;
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}
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}
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/**
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* Set a single state and return resulting envelope meta
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*
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* @param name
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* @param value
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* @return
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*/
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public Meta setState(String name, Object value) {
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EnvelopeBuilder env = requestActionBase("numass.state", "set");
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env.putMetaNode(new MetaBuilder("state")
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.setValue("name", name)
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.setValue("value", value)
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.build());
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return respond(env.build()).meta();
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}
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/**
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* Set states and return resulting meta
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*
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* @param stateMap
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* @return
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*/
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public Meta setState(Map<String, Value> stateMap) {
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EnvelopeBuilder env = requestActionBase("numass.state", "set");
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stateMap.entrySet().stream().forEach((state) -> {
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env.putMetaNode(new MetaBuilder("state")
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.setValue("name", state.getKey())
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.setValue("value", state.getValue())
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.build());
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});
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return respond(env.build()).meta();
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}
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public Meta addNote(String text, Instant time) {
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EnvelopeBuilder env = requestActionBase("numass.notes", "push");
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env.putMetaValue("note.text", text);
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if (time != null) {
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env.putMetaValue("note.time", time);
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}
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return respond(env.build()).meta();
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}
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public Meta getNotes(int limit) {
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EnvelopeBuilder env = requestActionBase("numass.notes", "pull");
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if (limit > 0) {
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env.putMetaValue("limit", limit);
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}
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return respond(env.build()).meta();
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}
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/**
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* Create remote storage with given meta
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*
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* @param path full path relative to root storage
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* @param meta
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* @return
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*/
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public Envelope createStorage(String path, Meta meta) {
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throw new UnsupportedOperationException();
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}
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/**
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* Create remote loader
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*
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* @param shelf full path to the shelf
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* @param name the name of the loader
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* @param meta loader meta
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* @return
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*/
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public Envelope createLoader(String shelf, String name, Meta meta) {
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throw new UnsupportedOperationException();
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}
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/**
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* Send points to existing point loader
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*
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* @param shelf
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* @param loaderName
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* @param points
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* @return
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*/
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public Envelope sendDataPoints(String shelf, String loaderName, Collection<DataPoint> points) {
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throw new UnsupportedOperationException();
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}
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}
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