146 lines
4.4 KiB
Java
146 lines
4.4 KiB
Java
/*
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* Copyright (c) 2018, 7u83 <7u83@mail.ru>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package opensesim;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import opensesim.sesim.AssetPair;
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import opensesim.sesim.interfaces.Configurable;
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import opensesim.util.IDGenerator;
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import opensesim.util.IDGenerator.Id;
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import opensesim.util.SeSimException;
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import org.json.JSONArray;
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import org.json.JSONObject;
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/**
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*
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* @author 7u83 <7u83@mail.ru>
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*/
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public class World implements Configurable {
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HashMap<Id, AbstractAsset> assetsById = new HashMap<>();
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HashMap<String, AbstractAsset> assetsBySymbol = new HashMap<>();
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IDGenerator assetIdGenerator = new IDGenerator();
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HashSet<AssetPair> assetPairs = new HashSet<>();
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ArrayList<Exchange> exchanges = new ArrayList<>();
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/**
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* Create a World object.
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*/
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public World() {
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}
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public Collection<AbstractAsset> getAssetCollection() {
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return Collections.unmodifiableCollection(assetsById.values());
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}
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public Collection<AssetPair> getAssetPairsCollection() {
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return Collections.unmodifiableCollection(assetPairs);
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}
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public Collection<Exchange> getExchangeCollection() {
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return Collections.unmodifiableCollection(exchanges);
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}
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public void add(AssetPair pair) {
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assetPairs.add(pair);
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}
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public Exchange addExchange(String symbol) throws SeSimException {
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for (Exchange ex : getExchangeCollection()) {
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if (ex.getSymbol().equals(symbol)) {
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throw (new SeSimException("Exchange already defined."));
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}
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}
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Exchange ex = new Exchange(this, symbol);
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exchanges.add(ex);
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return ex;
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}
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static final String JSON_ASSET = "asset";
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static final String JSON_EXCHANGES = "exchanges";
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@Override
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public JSONObject getConfig() {
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JSONObject cfg = new JSONObject();
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// save assets
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JSONArray arr;
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arr = new JSONArray();
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for (AbstractAsset a : getAssetCollection()) {
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arr.put(a.getConfig());
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}
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cfg.put(JSON_ASSET, arr);
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// save exchanges
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arr = new JSONArray();
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for (Exchange ex : getExchangeCollection()) {
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arr.put(ex.getConfig());
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}
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cfg.put(JSON_EXCHANGES, arr);
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return cfg;
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}
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@Override
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public void putConfig(JSONObject cfg) {
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JSONArray arr = cfg.optJSONArray(JSON_ASSET);
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if (arr == null) {
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arr = new JSONArray();
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}
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for (Object o : arr) {
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JSONObject acfg = (JSONObject) o;
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AbstractAsset.create(this, acfg);
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}
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}
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public AbstractAsset createAsset(Class cls, String symbol) throws Exception {
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return AbstractAsset.create(this, cls, symbol);
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}
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/*
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static public JSONArray toJson() {
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JSONArray all = new JSONArray();
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for (Map.Entry<Id, Asset> entry : assetsById.entrySet()) {
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Id key = entry.getKey();
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Asset value = entry.getValue();
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all.put(value.getConfig());
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}
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return all;
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}
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*/
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}
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