/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.core.metapath.impl;
   
   import dev.metaschema.core.metapath.item.function.IMapKey;
   import nl.talsmasoftware.lazy4j.Lazy;
  
  public abstract class AbstractMapKey implements IMapKey {
    private final Lazy<Integer> hashCode = Lazy.of(this::generateHashCode);
  
    @Override
    public int hashCode() {
      return hashCode.get();
    }
  
    /**
     * Generate the hash code for the key.
     *
     * @return the hash code
     */
    protected int generateHashCode() {
      return getKey().hashCode();
    }
  
    @Override
    public boolean equals(Object obj) {
      return this == obj
          || (obj instanceof IMapKey && isSameKey((IMapKey) obj));
    }
  
    @Override
    public String toString() {
      return getKey().toSignature();
    }
  }