Package org.hibernate.cfg

Source Code of org.hibernate.cfg.PropertyInferredData

/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors.  All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA  02110-1301  USA
*/
package org.hibernate.cfg;

import javax.persistence.Access;

import org.hibernate.MappingException;
import org.hibernate.annotations.Target;
import org.hibernate.annotations.common.reflection.ReflectionManager;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.annotations.common.reflection.XProperty;

/**
* Retrieve all inferred data from an annnoted element
*
* @author Emmanuel Bernard
* @author Paolo Perrotta
*/
public class PropertyInferredData implements PropertyData {
  private final AccessType defaultAccess;

  private final XProperty property;
  private final ReflectionManager reflectionManager;
  private final XClass declaringClass;

  @Override
  public String toString() {
    final StringBuilder sb = new StringBuilder();
    sb.append( "PropertyInferredData" );
    sb.append( "{property=" ).append( property );
    sb.append( ", declaringClass=" ).append( declaringClass );
    sb.append( '}' );
    return sb.toString();
  }

  /**
   * Take the annoted element for lazy process
   */
  public PropertyInferredData(XClass declaringClass, XProperty property, String propertyAccessor, ReflectionManager reflectionManager) {
    this.declaringClass = declaringClass;
    this.property = property;
    this.defaultAccess = AccessType.getAccessStrategy( propertyAccessor );
    this.reflectionManager = reflectionManager;
  }

  public AccessType getDefaultAccess() throws MappingException {
    AccessType accessType = defaultAccess;

    AccessType hibernateAccessType = AccessType.DEFAULT;
    AccessType jpaAccessType = AccessType.DEFAULT;

    org.hibernate.annotations.AccessType accessTypeAnnotation = property.getAnnotation( org.hibernate.annotations.AccessType.class );
    if ( accessTypeAnnotation != null ) {
      hibernateAccessType = AccessType.getAccessStrategy( accessTypeAnnotation.value() );
    }

    Access access = property.getAnnotation( Access.class );
    if ( access != null ) {
      jpaAccessType = AccessType.getAccessStrategy( access.value() );
    }

    if ( hibernateAccessType != AccessType.DEFAULT
        && jpaAccessType != AccessType.DEFAULT
        && hibernateAccessType != jpaAccessType ) {

      StringBuilder builder = new StringBuilder();
      builder.append( property.toString() );
      builder.append(
          " defines @AccessType and @Access with contradicting values. Use of @Access only is recommended."
      );
      throw new MappingException( builder.toString() );
    }

    if ( hibernateAccessType != AccessType.DEFAULT ) {
      accessType = hibernateAccessType;
    }
    else if ( jpaAccessType != AccessType.DEFAULT ) {
      accessType = jpaAccessType;
    }
    return accessType;
  }

  public String getPropertyName() throws MappingException {
    return property.getName();
  }

  public XClass getPropertyClass() throws MappingException {
    if ( property.isAnnotationPresent( Target.class ) ) {
      return reflectionManager.toXClass( property.getAnnotation( Target.class ).value() );
    }
    else {
      return property.getType();
    }
  }

  public XClass getClassOrElement() throws MappingException {
    if ( property.isAnnotationPresent( Target.class ) ) {
      return reflectionManager.toXClass( property.getAnnotation( Target.class ).value() );
    }
    else {
      return property.getClassOrElementClass();
    }
  }

  public String getClassOrElementName() throws MappingException {
    return getClassOrElement().getName();
  }

  public String getTypeName() throws MappingException {
    return getPropertyClass().getName();
  }

  public XProperty getProperty() {
    return property;
  }

  public XClass getDeclaringClass() {
    return declaringClass;
  }
}
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