com.opengamma.financial.analytics.curve.CurveSpecification.java Source code

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Here is the source code for com.opengamma.financial.analytics.curve.CurveSpecification.java

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/**
 * Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.financial.analytics.curve;

import java.io.Serializable;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.threeten.bp.LocalDate;

import com.opengamma.financial.analytics.ircurve.strips.CurveNodeWithIdentifier;
import com.opengamma.util.ArgumentChecker;

/**
 *
 */
public class CurveSpecification implements Serializable {

    /** Serialization version */
    private static final long serialVersionUID = 1L;

    /** The curve date */
    private final LocalDate _curveDate;
    /** The curve name */
    private final String _name;
    /** The curve nodes */
    private final SortedSet<CurveNodeWithIdentifier> _nodes;

    public CurveSpecification(final LocalDate curveDate, final String name,
            final Collection<CurveNodeWithIdentifier> nodes) {
        ArgumentChecker.notNull(curveDate, "curve date");
        ArgumentChecker.notNull(name, "name");
        ArgumentChecker.notNull(nodes, "nodes");
        _curveDate = curveDate;
        _name = name;
        _nodes = new TreeSet<>(nodes);
    }

    public void addNode(final CurveNodeWithIdentifier node) {
        ArgumentChecker.notNull(node, "nodes");
        _nodes.add(node);
    }

    public LocalDate getCurveDate() {
        return _curveDate;
    }

    public String getName() {
        return _name;
    }

    public Set<CurveNodeWithIdentifier> getNodes() {
        return Collections.unmodifiableSet(_nodes);
    }

    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + _curveDate.hashCode();
        result = prime * result + _name.hashCode();
        result = prime * result + _nodes.hashCode();
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (!(obj instanceof CurveSpecification)) {
            return false;
        }
        final CurveSpecification other = (CurveSpecification) obj;
        if (!ObjectUtils.equals(_name, other._name)) {
            return false;
        }
        if (!ObjectUtils.equals(_curveDate, other._curveDate)) {
            return false;
        }
        if (!ObjectUtils.equals(_nodes, other._nodes)) {
            return false;
        }
        return true;
    }

}