Java tutorial
/** * Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.analytics.financial.instrument.index; import org.apache.commons.lang.ObjectUtils; import org.threeten.bp.ZonedDateTime; import com.opengamma.analytics.financial.instrument.future.SwapFuturesPriceDeliverableSecurityDefinition; import com.opengamma.analytics.financial.instrument.future.SwapFuturesPriceDeliverableTransactionDefinition; import com.opengamma.util.ArgumentChecker; /** * Class used to store future description and generate instruments. */ public class GeneratorSwapFuturesDeliverable extends GeneratorInstrument<GeneratorAttribute> { /** * The underlying Deliverable swap futures security. */ private final SwapFuturesPriceDeliverableSecurityDefinition _security; /** * Constructor. * @param name The generator name. * @param security The underlying deliverable swap futures security. */ public GeneratorSwapFuturesDeliverable(final String name, final SwapFuturesPriceDeliverableSecurityDefinition security) { super(name); ArgumentChecker.notNull(security, "STIR futures security"); _security = security; } /** * Gets the deliverable swap futures security. * @return The futures. */ public SwapFuturesPriceDeliverableSecurityDefinition getFutures() { return _security; } /** * {@inheritDoc} * The quantity is selected to be in line with the required nominal. */ @Override public SwapFuturesPriceDeliverableTransactionDefinition generateInstrument(final ZonedDateTime date, final double marketQuote, final double notional, final GeneratorAttribute attribute) { final int quantity = (int) Math.ceil(notional / _security.getNotional()); return new SwapFuturesPriceDeliverableTransactionDefinition(_security, date, marketQuote, quantity); } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + _security.hashCode(); return result; } @Override public boolean equals(final Object obj) { if (this == obj) { return true; } if (!super.equals(obj)) { return false; } if (getClass() != obj.getClass()) { return false; } final GeneratorSwapFuturesDeliverable other = (GeneratorSwapFuturesDeliverable) obj; if (!ObjectUtils.equals(_security, other._security)) { return false; } return true; } }