/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.core.metapath.function;
   
   import java.util.Objects;
   
  import dev.metaschema.core.metapath.type.ISequenceType;
  import dev.metaschema.core.qname.IEnhancedQName;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  class ArgumentImpl implements IArgument {
    @NonNull
    private final IEnhancedQName name;
    @NonNull
    private final ISequenceType sequenceType;
  
    protected ArgumentImpl(@NonNull IEnhancedQName name, @NonNull ISequenceType sequenceType) {
      this.name = name;
      this.sequenceType = sequenceType;
    }
  
    @Override
    public IEnhancedQName getName() {
      return name;
    }
  
    @Override
    public ISequenceType getSequenceType() {
      return sequenceType;
    }
  
    @Override
    public String toSignature() {
      StringBuilder builder = new StringBuilder();
  
      // name
      builder.append(getName().toEQName())
          .append(" as ")
          .append(getSequenceType().toSignature());
  
      return builder.toString();
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(name, sequenceType);
    }
  
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj == null || getClass() != obj.getClass()) {
        return false;
      }
      ArgumentImpl other = (ArgumentImpl) obj;
      return Objects.equals(name, other.name) && Objects.equals(sequenceType, other.sequenceType);
    }
  }