ArgumentImpl.java

/*
 * Portions of this software was developed by employees of the National Institute
 * of Standards and Technology (NIST), an agency of the Federal Government and is
 * being made available as a public service. Pursuant to title 17 United States
 * Code Section 105, works of NIST employees are not subject to copyright
 * protection in the United States. This software may be subject to foreign
 * copyright. Permission in the United States and in foreign countries, to the
 * extent that NIST may hold copyright, to use, copy, modify, create derivative
 * works, and distribute this software and its documentation without fee is hereby
 * granted on a non-exclusive basis, provided that this notice and disclaimer
 * of warranty appears in all copies.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
 */

package gov.nist.secauto.metaschema.core.metapath.function;

import gov.nist.secauto.metaschema.core.metapath.IExpression;

import java.util.Objects;

import edu.umd.cs.findbugs.annotations.NonNull;

class ArgumentImpl implements IArgument {
  @NonNull
  private final String name;
  @NonNull
  private final ISequenceType sequenceType;

  protected ArgumentImpl(@NonNull String name, @NonNull ISequenceType sequenceType) {
    this.name = name;
    this.sequenceType = sequenceType;
  }

  @Override
  public String getName() {
    return name;
  }

  @Override
  public ISequenceType getSequenceType() {
    return sequenceType;
  }

  @Override
  public boolean isSupported(IExpression expression) {
    // Class<? extends IItem> itemType = expression.getItemType();
    // TODO: implement this test
    return true;
  }

  @SuppressWarnings("null")
  @Override
  public String toSignature() {
    StringBuilder builder = new StringBuilder();

    // name
    builder.append(getName())
        .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; // NOPMD - readability
    }
    if (obj == null) {
      return false; // NOPMD - readability
    }
    if (getClass() != obj.getClass()) {
      return false; // NOPMD - readability
    }
    ArgumentImpl other = (ArgumentImpl) obj;
    return Objects.equals(name, other.name) && Objects.equals(sequenceType, other.sequenceType);
  }
}