package com.sun.tools.sjavac.pubapi;

import java.io.Serializable;

import java.util.List;

import java.util.stream.Collectors;

public class PubApiTypeParam implements Serializable {

    private static final long serialVersionUID = 8899204612014329162L;

    private final String identifier;

    private final List<TypeDesc> bounds;

    public PubApiTypeParam(String identifier, List<TypeDesc> bounds) {

        this.identifier = identifier;

        this.bounds = bounds;

    }

    @Override

    public boolean equals(Object obj) {

        if (getClass() != obj.getClass())

            return false;

        PubApiTypeParam other = (PubApiTypeParam) obj;

        return identifier.equals(other.identifier)

            && bounds.equals(other.bounds);

    }

    @Override

    public int hashCode() {

        return identifier.hashCode() ^ bounds.hashCode();

    }

    public String asString() {

        if (bounds.isEmpty())

            return identifier;

        String boundsStr = bounds.stream()

                                 .map(TypeDesc::encodeAsString)

                                 .collect(Collectors.joining(" & "));

        return identifier + " extends " + boundsStr;

    }

    @Override

    public String toString() {

        return String.format("%s[id: %s, bounds: %s]",

                             getClass().getSimpleName(),

                             identifier,

                             bounds);

    }

}