com.opengamma.strata.finance.rate.FixedRateObservation.java Source code

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/**
 * Copyright (C) 2014 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.strata.finance.rate;

import java.io.Serializable;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;

import org.joda.beans.Bean;
import org.joda.beans.BeanDefinition;
import org.joda.beans.ImmutableBean;
import org.joda.beans.JodaBeanUtils;
import org.joda.beans.MetaProperty;
import org.joda.beans.Property;
import org.joda.beans.PropertyDefinition;
import org.joda.beans.impl.direct.DirectFieldsBeanBuilder;
import org.joda.beans.impl.direct.DirectMetaBean;
import org.joda.beans.impl.direct.DirectMetaProperty;
import org.joda.beans.impl.direct.DirectMetaPropertyMap;

import com.google.common.collect.ImmutableSet;
import com.opengamma.strata.basics.index.Index;

/**
 * Defines a known fixed rate of interest.
 * <p>
 * An interest rate that is specified in the contract or has subsequently been determined.
 */
@BeanDefinition
public final class FixedRateObservation implements RateObservation, ImmutableBean, Serializable {

    /**
     * The fixed rate to be paid.
     * A 5% rate will be expressed as 0.05.
     */
    @PropertyDefinition
    private final double rate;

    //-------------------------------------------------------------------------
    /**
     * Creates an {@code FixedRateObservation}.
     * 
     * @param rate  the fixed rate
     * @return the IBOR rate
     */
    public static FixedRateObservation of(double rate) {
        return FixedRateObservation.builder().rate(rate).build();
    }

    //-------------------------------------------------------------------------
    @Override
    public void collectIndices(ImmutableSet.Builder<Index> builder) {
        // no indices to add
    }

    //------------------------- AUTOGENERATED START -------------------------
    ///CLOVER:OFF
    /**
     * The meta-bean for {@code FixedRateObservation}.
     * @return the meta-bean, not null
     */
    public static FixedRateObservation.Meta meta() {
        return FixedRateObservation.Meta.INSTANCE;
    }

    static {
        JodaBeanUtils.registerMetaBean(FixedRateObservation.Meta.INSTANCE);
    }

    /**
     * The serialization version id.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Returns a builder used to create an instance of the bean.
     * @return the builder, not null
     */
    public static FixedRateObservation.Builder builder() {
        return new FixedRateObservation.Builder();
    }

    private FixedRateObservation(double rate) {
        this.rate = rate;
    }

    @Override
    public FixedRateObservation.Meta metaBean() {
        return FixedRateObservation.Meta.INSTANCE;
    }

    @Override
    public <R> Property<R> property(String propertyName) {
        return metaBean().<R>metaProperty(propertyName).createProperty(this);
    }

    @Override
    public Set<String> propertyNames() {
        return metaBean().metaPropertyMap().keySet();
    }

    //-----------------------------------------------------------------------
    /**
     * Gets the fixed rate to be paid.
     * A 5% rate will be expressed as 0.05.
     * @return the value of the property
     */
    public double getRate() {
        return rate;
    }

    //-----------------------------------------------------------------------
    /**
     * Returns a builder that allows this bean to be mutated.
     * @return the mutable builder, not null
     */
    public Builder toBuilder() {
        return new Builder(this);
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (obj != null && obj.getClass() == this.getClass()) {
            FixedRateObservation other = (FixedRateObservation) obj;
            return JodaBeanUtils.equal(getRate(), other.getRate());
        }
        return false;
    }

    @Override
    public int hashCode() {
        int hash = getClass().hashCode();
        hash = hash * 31 + JodaBeanUtils.hashCode(getRate());
        return hash;
    }

    @Override
    public String toString() {
        StringBuilder buf = new StringBuilder(64);
        buf.append("FixedRateObservation{");
        buf.append("rate").append('=').append(JodaBeanUtils.toString(getRate()));
        buf.append('}');
        return buf.toString();
    }

    //-----------------------------------------------------------------------
    /**
     * The meta-bean for {@code FixedRateObservation}.
     */
    public static final class Meta extends DirectMetaBean {
        /**
         * The singleton instance of the meta-bean.
         */
        static final Meta INSTANCE = new Meta();

        /**
         * The meta-property for the {@code rate} property.
         */
        private final MetaProperty<Double> rate = DirectMetaProperty.ofImmutable(this, "rate",
                FixedRateObservation.class, Double.TYPE);
        /**
         * The meta-properties.
         */
        private final Map<String, MetaProperty<?>> metaPropertyMap$ = new DirectMetaPropertyMap(this, null, "rate");

        /**
         * Restricted constructor.
         */
        private Meta() {
        }

        @Override
        protected MetaProperty<?> metaPropertyGet(String propertyName) {
            switch (propertyName.hashCode()) {
            case 3493088: // rate
                return rate;
            }
            return super.metaPropertyGet(propertyName);
        }

        @Override
        public FixedRateObservation.Builder builder() {
            return new FixedRateObservation.Builder();
        }

        @Override
        public Class<? extends FixedRateObservation> beanType() {
            return FixedRateObservation.class;
        }

        @Override
        public Map<String, MetaProperty<?>> metaPropertyMap() {
            return metaPropertyMap$;
        }

        //-----------------------------------------------------------------------
        /**
         * The meta-property for the {@code rate} property.
         * @return the meta-property, not null
         */
        public MetaProperty<Double> rate() {
            return rate;
        }

        //-----------------------------------------------------------------------
        @Override
        protected Object propertyGet(Bean bean, String propertyName, boolean quiet) {
            switch (propertyName.hashCode()) {
            case 3493088: // rate
                return ((FixedRateObservation) bean).getRate();
            }
            return super.propertyGet(bean, propertyName, quiet);
        }

        @Override
        protected void propertySet(Bean bean, String propertyName, Object newValue, boolean quiet) {
            metaProperty(propertyName);
            if (quiet) {
                return;
            }
            throw new UnsupportedOperationException("Property cannot be written: " + propertyName);
        }

    }

    //-----------------------------------------------------------------------
    /**
     * The bean-builder for {@code FixedRateObservation}.
     */
    public static final class Builder extends DirectFieldsBeanBuilder<FixedRateObservation> {

        private double rate;

        /**
         * Restricted constructor.
         */
        private Builder() {
        }

        /**
         * Restricted copy constructor.
         * @param beanToCopy  the bean to copy from, not null
         */
        private Builder(FixedRateObservation beanToCopy) {
            this.rate = beanToCopy.getRate();
        }

        //-----------------------------------------------------------------------
        @Override
        public Object get(String propertyName) {
            switch (propertyName.hashCode()) {
            case 3493088: // rate
                return rate;
            default:
                throw new NoSuchElementException("Unknown property: " + propertyName);
            }
        }

        @Override
        public Builder set(String propertyName, Object newValue) {
            switch (propertyName.hashCode()) {
            case 3493088: // rate
                this.rate = (Double) newValue;
                break;
            default:
                throw new NoSuchElementException("Unknown property: " + propertyName);
            }
            return this;
        }

        @Override
        public Builder set(MetaProperty<?> property, Object value) {
            super.set(property, value);
            return this;
        }

        @Override
        public Builder setString(String propertyName, String value) {
            setString(meta().metaProperty(propertyName), value);
            return this;
        }

        @Override
        public Builder setString(MetaProperty<?> property, String value) {
            super.setString(property, value);
            return this;
        }

        @Override
        public Builder setAll(Map<String, ? extends Object> propertyValueMap) {
            super.setAll(propertyValueMap);
            return this;
        }

        @Override
        public FixedRateObservation build() {
            return new FixedRateObservation(rate);
        }

        //-----------------------------------------------------------------------
        /**
         * Sets the fixed rate to be paid.
         * A 5% rate will be expressed as 0.05.
         * @param rate  the new value
         * @return this, for chaining, not null
         */
        public Builder rate(double rate) {
            this.rate = rate;
            return this;
        }

        //-----------------------------------------------------------------------
        @Override
        public String toString() {
            StringBuilder buf = new StringBuilder(64);
            buf.append("FixedRateObservation.Builder{");
            buf.append("rate").append('=').append(JodaBeanUtils.toString(rate));
            buf.append('}');
            return buf.toString();
        }

    }

    ///CLOVER:ON
    //-------------------------- AUTOGENERATED END --------------------------
}