package com.project.common.core.absclasses;

import com.project.common.core.interfaces.ILinkNode;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@NoArgsConstructor
public class BaseLinkNode<T> implements ILinkNode<T>
{


    private T data;

    private BaseLinkNode<T> pre;

    private BaseLinkNode<T> suf;

    private Boolean hasPre = false;

    private Boolean hasSuf = false;


    public BaseLinkNode<T> getPre() {
        return this.getHasPre() ? pre : null;
    }

    public BaseLinkNode<T> getSuf() {
        return this.getHasSuf() ? suf : null;
    }

    public Boolean isHead(){
        return this.pre == null;
    }

    public Boolean isLast(){
        return this.suf == null;
    }


    public Boolean getHasPre()
    {

        return this.pre != null || this.hasPre;
    }

    public Boolean getHasSuf()
    {

        return this.suf != null || this.hasSuf;
    }

    public boolean equals(final Object o)
    {
        if (o == this) {
            return true;
        } else if (!(o instanceof BaseLinkNode)) {
            return false;
        } else {
            BaseLinkNode<?> other = (BaseLinkNode)o;
            if (!other.canEqual(this)) {
                return false;
            } else {

                Object this$pre = this.getPre();
                Object other$pre = other.getPre();
                if (this$pre == null) {
                    if (other$pre != null) {
                        return false;
                    }
                } else if (!this$pre.equals(other$pre)) {
                    return false;
                }

                Object this$suf = this.getSuf();
                Object other$suf = other.getSuf();
                if (this$suf == null) {
                    if (other$suf != null) {
                        return false;
                    }
                } else if (!this$suf.equals(other$suf)) {
                    return false;
                }

                Object this$data = this.getData();
                Object other$data = other.getData();
                if (this$data == null) {
                    if (other$data != null) {
                        return false;
                    }
                } else if (!this$data.equals(other$data)) {
                    return false;
                }

                return true;
            }
        }
    }

    protected boolean canEqual(final Object other)
    {

        return other instanceof BaseLinkNode;
    }

    public int hashCode()
    {
        boolean PRIME = true;
        int result = 1;
        Object $pre = this.getPre();
        result = result * 59 + ($pre == null ? 43 : $pre.hashCode());
        Object $suf = this.getSuf();
        result = result * 59 + ($suf == null ? 43 : $suf.hashCode());
        Object $data = this.getData();
        result = result * 59 + ($data == null ? 43 : $data.hashCode());
        return result;
    }

    public String toString()
    {
        return "BaseLinkNode("
                + "data=" + this.getData() + ")";
//                + ", pre=" + this.getPre()
//                + ", suf=" + this.getSuf() + ")";
    }



}