com.algodefu.yeti.web.ClusterTypeAdapter.java Source code

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Here is the source code for com.algodefu.yeti.web.ClusterTypeAdapter.java

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/*
 * Copyright 2014 Algodefu
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.algodefu.yeti.web;

import com.algodefu.yeti.data.Cluster;
import com.algodefu.yeti.data.ClusterRow;
import com.algodefu.yeti.data.Deal;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;

import java.io.IOException;
import java.time.ZoneOffset;
import java.util.List;
import java.util.Map;

/**
 * Custom type adapter for the class Cluster.
 * Used by Gson to convert cluster data into Json
 */

public class ClusterTypeAdapter extends TypeAdapter<Cluster> {
    @Override
    public void write(JsonWriter out, Cluster cluster) throws IOException {
        out.beginArray();
        out.value(cluster.getCloseDateTime().toInstant(ZoneOffset.UTC).toEpochMilli());
        out.value(cluster.getOpen());
        out.value(cluster.getHigh());
        out.value(cluster.getLow());
        out.value(cluster.getClose());
        out.value(cluster.getVolume());

        // write clusterRows
        out.beginArray();
        for (Map.Entry<Double, ClusterRow> entry : cluster.getClusterRows().entrySet()) {
            out.beginArray();
            out.value(entry.getKey());
            out.value(entry.getValue().getBidVolume());
            out.value(entry.getValue().getAskVolume());
            out.value(entry.getValue().getNumTicks());
            out.endArray();
        }
        out.endArray();

        // write deals
        writeDeals(out, cluster.getInDeals());
        writeDeals(out, cluster.getOutDeals());

        out.endArray();
    }

    private void writeDeals(JsonWriter out, List<Deal> deals) throws IOException {
        out.beginArray();
        if (deals != null) {
            for (Deal deal : deals) {
                out.beginArray();
                out.value(deal.getEntry().toString());
                out.value(deal.getTradeID());
                out.value(deal.getType().toString());
                out.value(deal.getVolume());
                out.value(deal.getPrice());
                out.value(deal.getDateTime().toInstant(ZoneOffset.UTC).toEpochMilli());
                out.endArray();
            }
        }
        out.endArray();
    }

    @Override
    public Cluster read(JsonReader in) throws IOException {
        return null;
    }
}