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FutureOperationRegistry.java
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FutureOperationRegistry.java
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/*******************************************************************************
*
* Copyright (C) 2015-2018 Jan Kristof Nidzwetzki
*
* 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.github.jnidzwetzki.bitfinex.v2.manager;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.stream.Collectors;
import com.github.jnidzwetzki.bitfinex.v2.symbol.BitfinexStreamSymbol;
public class FutureOperationRegistry {
/**
* The pending futures
*/
private final List<FutureOperation> pendingFutures = new CopyOnWriteArrayList<>();
/**
* Register a new future
* @param futureOperation
*/
public void registerFuture(final FutureOperation futureOperation) {
pendingFutures.add(futureOperation);
}
/**
* Handle a subscribe or unsubscribe event
*/
public void handleEvent(final BitfinexStreamSymbol symbol) {
final List<FutureOperation> futuresToFinish = pendingFutures
.stream()
.filter(f -> f.getSymbol().equals(symbol))
.collect(Collectors.toList());
pendingFutures.removeAll(futuresToFinish);
futuresToFinish.forEach(f -> f.setToDone());
}
}