/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.integration.cashflow;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.threeten.bp.Instant;
import org.threeten.bp.LocalDate;
import com.google.common.collect.ImmutableMap;
import com.opengamma.OpenGammaRuntimeException;
import com.opengamma.core.config.impl.ConfigItem;
import com.opengamma.core.position.Portfolio;
import com.opengamma.core.position.Position;
import com.opengamma.core.position.PositionSource;
import com.opengamma.core.position.impl.PortfolioMapper;
import com.opengamma.core.position.impl.SecurityTypeMapperFunction;
import com.opengamma.core.security.SecuritySource;
import com.opengamma.engine.ComputationTargetSpecification;
import com.opengamma.engine.marketdata.spec.MarketData;
import com.opengamma.engine.target.ComputationTargetType;
import com.opengamma.engine.value.ComputedValueResult;
import com.opengamma.engine.value.ValueProperties;
import com.opengamma.engine.value.ValueRequirementNames;
import com.opengamma.engine.view.ViewCalculationConfiguration;
import com.opengamma.engine.view.ViewCalculationResultModel;
import com.opengamma.engine.view.ViewComputationResultModel;
import com.opengamma.engine.view.ViewDefinition;
import com.opengamma.engine.view.ViewProcessor;
import com.opengamma.engine.view.client.ViewClient;
import com.opengamma.engine.view.compilation.PortfolioCompiler;
import com.opengamma.engine.view.execution.ExecutionOptions;
import com.opengamma.financial.analytics.cashflow.FixedPaymentMatrix;
import com.opengamma.financial.analytics.cashflow.FloatingPaymentMatrix;
import com.opengamma.id.UniqueId;
import com.opengamma.id.VersionCorrection;
import com.opengamma.livedata.UserPrincipal;
import com.opengamma.master.config.ConfigDocument;
import com.opengamma.master.config.ConfigMaster;
import com.opengamma.util.money.CurrencyAmount;
import com.opengamma.util.money.MultipleCurrencyAmount;
import com.opengamma.util.tuple.Pair;
/**
*
*/
public class PaymentService {
private static final Logger s_logger = LoggerFactory.getLogger(PaymentService.class);
private static final String VIEW_DEFINITION_PREFIX = "Cash flows for ";
private static final String CALC_CONFIG_NAME = "Default";
private static final String[] CASH_FLOW_VALUE_NAMES = new String[] {
ValueRequirementNames.FIXED_PAY_CASH_FLOWS,
ValueRequirementNames.FLOATING_PAY_CASH_FLOWS,
ValueRequirementNames.FIXED_RECEIVE_CASH_FLOWS,
ValueRequirementNames.FLOATING_RECEIVE_CASH_FLOWS };
private static final Map<String, PaymentType> PAYMENT_TYPE_MAP = ImmutableMap.of(
ValueRequirementNames.FIXED_PAY_CASH_FLOWS, PaymentType.FIXED,
ValueRequirementNames.FLOATING_PAY_CASH_FLOWS, PaymentType.FLOAT,
ValueRequirementNames.FIXED_RECEIVE_CASH_FLOWS, PaymentType.FIXED,
ValueRequirementNames.FLOATING_RECEIVE_CASH_FLOWS, PaymentType.FLOAT);
private static final Map<String, PaymentDirection> PAYMENT_DIRECTION_MAP = ImmutableMap.of(
ValueRequirementNames.FIXED_PAY_CASH_FLOWS, PaymentDirection.PAY,
ValueRequirementNames.FLOATING_PAY_CASH_FLOWS, PaymentDirection.PAY,
ValueRequirementNames.FIXED_RECEIVE_CASH_FLOWS, PaymentDirection.RECEIVE,
ValueRequirementNames.FLOATING_RECEIVE_CASH_FLOWS, PaymentDirection.RECEIVE);
private final ViewProcessor _viewProcessor;
private final ConfigMaster _userConfigMaster;
private final PositionSource _positionSource;
private final SecuritySource _securitySource;
public PaymentService(final ViewProcessor viewProcessor, final ConfigMaster userConfigMaster,
final PositionSource positionSource, final SecuritySource securitySource) {
_viewProcessor = viewProcessor;
_userConfigMaster = userConfigMaster;
_positionSource = positionSource;
_securitySource = securitySource;
}
//-------------------------------------------------------------------------
public ViewProcessor getViewProcessor() {
return _viewProcessor;
}
public ConfigMaster getUserConfigMaster() {
return _userConfigMaster;
}
public PositionSource getPositionSource() {
return _positionSource;
}
public SecuritySource getSecuritySource() {
return _securitySource;
}
//-------------------------------------------------------------------------
public PortfolioPaymentDiary getPortfolioPaymentDiary(final UniqueId portfolioId) {
Portfolio portfolio = getPositionSource().getPortfolio(portfolioId, VersionCorrection.LATEST);
portfolio = PortfolioCompiler.resolvePortfolio(portfolio, Executors.newSingleThreadExecutor(), getSecuritySource());
final UniqueId viewDefinitionId = getPaymentViewDefinition(portfolio);
final ViewClient viewClient = getViewProcessor().createViewClient(UserPrincipal.getTestUser());
viewClient.attachToViewProcess(viewDefinitionId, ExecutionOptions.singleCycle(Instant.now(), MarketData.live()));
ViewComputationResultModel result;
try {
viewClient.waitForCompletion();
result = viewClient.getLatestResult();
} catch (final InterruptedException e) {
throw new OpenGammaRuntimeException("Interrupted while waiting for payment diary calculations");
} finally {
viewClient.shutdown();
}
if (result == null) {
throw new OpenGammaRuntimeException("Cash flow view failed to run");
}
final PortfolioPaymentDiary paymentDiary = new PortfolioPaymentDiary();
final ViewCalculationResultModel calcResults = result.getCalculationResult(CALC_CONFIG_NAME);
if (calcResults == null) {
throw new OpenGammaRuntimeException("No payments were calculated");
}
for (final ComputationTargetSpecification targetSpec : calcResults.getAllTargets()) {
if (!targetSpec.getType().isTargetType(ComputationTargetType.POSITION)) {
continue;
}
final UniqueId positionId = targetSpec.getUniqueId();
final Position position = getPositionSource().getPosition(positionId);
position.getSecurityLink().resolve(getSecuritySource());
for (final ComputedValueResult targetResult : calcResults.getValues(targetSpec).values()) {
final String valueName = targetResult.getSpecification().getValueName();
final PaymentType paymentType = getPaymentType(valueName);
final PaymentDirection direction = getPaymentDirection(valueName);
switch (paymentType) {
case FIXED:
if (!(targetResult.getValue() instanceof FixedPaymentMatrix)) {
s_logger.error("Skipping result with unexpected type: " + targetResult);
continue;
}
addFixedPayments((FixedPaymentMatrix) targetResult.getValue(), direction, position, paymentDiary);
break;
case FLOAT:
if (!(targetResult.getValue() instanceof FloatingPaymentMatrix)) {
s_logger.error("Skipping result with unexpected type: " + targetResult);
continue;
}
addFloatingPayments((FloatingPaymentMatrix) targetResult.getValue(), direction, position, paymentDiary);
break;
}
}
}
return paymentDiary;
}
private void addFixedPayments(final FixedPaymentMatrix paymentMatrix, final PaymentDirection direction, final Position position, final PortfolioPaymentDiary paymentDiary) {
for (final Map.Entry<LocalDate, MultipleCurrencyAmount> paymentEntry : paymentMatrix.getValues().entrySet()) {
final LocalDate date = paymentEntry.getKey();
final MultipleCurrencyAmount multipleCurrencyAmount = paymentEntry.getValue();
for (final CurrencyAmount currencyAmount : multipleCurrencyAmount.getCurrencyAmounts()) {
paymentDiary.add(date, new PositionPayment(position, PaymentType.FIXED, direction, null, currencyAmount));
}
}
}
private void addFloatingPayments(final FloatingPaymentMatrix paymentMatrix, final PaymentDirection direction, final Position position, final PortfolioPaymentDiary paymentDiary) {
for (final Map.Entry<LocalDate, List<Pair<CurrencyAmount, String>>> paymentEntry : paymentMatrix.getValues().entrySet()) {
final LocalDate date = paymentEntry.getKey();
for (final Pair<CurrencyAmount, String> payment : paymentEntry.getValue()) {
final CurrencyAmount amount = payment.getFirst();
final String index = payment.getSecond();
paymentDiary.add(date, new PositionPayment(position, PaymentType.FLOAT, direction, index, amount));
}
}
}
private UniqueId getPaymentViewDefinition(final Portfolio portfolio) {
final ViewDefinition viewDefinition = new ViewDefinition(VIEW_DEFINITION_PREFIX + portfolio.getName(), portfolio.getUniqueId(), UserPrincipal.getTestUser());
final ViewCalculationConfiguration calcConfig = new ViewCalculationConfiguration(viewDefinition, CALC_CONFIG_NAME);
for (final String requirementName : CASH_FLOW_VALUE_NAMES) {
for (final String securityType : getPortfolioSecurityTypes(portfolio)) {
calcConfig.addPortfolioRequirement(securityType, requirementName, ValueProperties.none());
}
}
viewDefinition.addViewCalculationConfiguration(calcConfig);
final ConfigItem<ViewDefinition> configItem = ConfigItem.of(viewDefinition, viewDefinition.getName());
final ConfigDocument configDoc = getUserConfigMaster().add(new ConfigDocument(configItem));
return configDoc.getUniqueId();
}
private Set<String> getPortfolioSecurityTypes(final Portfolio portfolio) {
return PortfolioMapper.mapToSet(portfolio.getRootNode(), new SecurityTypeMapperFunction());
}
private PaymentType getPaymentType(final String valueName) {
final PaymentType type = PAYMENT_TYPE_MAP.get(valueName);
if (type == null) {
throw new OpenGammaRuntimeException("Unknown cash-flow value name '" + valueName + "'");
}
return type;
}
private PaymentDirection getPaymentDirection(final String valueName) {
final PaymentDirection direction = PAYMENT_DIRECTION_MAP.get(valueName);
if (direction == null) {
throw new OpenGammaRuntimeException("Unknown cash-flow value name '" + valueName + "'");
}
return direction;
}
}