Package org.hibernate.metamodel.source.hbm

Source Code of org.hibernate.metamodel.source.hbm.SingularIdentifierAttributeSourceImpl

/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.metamodel.source.hbm;

import java.util.List;
import java.util.Map;

import org.hibernate.mapping.PropertyGeneration;
import org.hibernate.metamodel.source.LocalBindingContext;
import org.hibernate.metamodel.source.binder.ExplicitHibernateTypeSource;
import org.hibernate.metamodel.source.binder.MetaAttributeSource;
import org.hibernate.metamodel.source.binder.RelationalValueSource;
import org.hibernate.metamodel.source.binder.SingularAttributeNature;
import org.hibernate.metamodel.source.binder.SingularAttributeSource;
import org.hibernate.internal.jaxb.mapping.hbm.JaxbHibernateMapping;

/**
* Implementation for {@code <id/>} mappings
*
* @author Steve Ebersole
*/
class SingularIdentifierAttributeSourceImpl implements SingularAttributeSource {
  private final JaxbHibernateMapping.JaxbClass.JaxbId idElement;
  private final ExplicitHibernateTypeSource typeSource;
  private final List<RelationalValueSource> valueSources;

  public SingularIdentifierAttributeSourceImpl(
      final JaxbHibernateMapping.JaxbClass.JaxbId idElement,
      LocalBindingContext bindingContext) {
    this.idElement = idElement;
    this.typeSource = new ExplicitHibernateTypeSource() {
      private final String name = idElement.getTypeAttribute() != null
          ? idElement.getTypeAttribute()
          : idElement.getType() != null
              ? idElement.getType().getName()
              : null;
      private final Map<String, String> parameters = ( idElement.getType() != null )
          ? Helper.extractParameters( idElement.getType().getParam() )
          : null;

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

      @Override
      public Map<String, String> getParameters() {
        return parameters;
      }
    };
    this.valueSources = Helper.buildValueSources(
        new Helper.ValueSourcesAdapter() {
          @Override
          public String getColumnAttribute() {
            return idElement.getColumnAttribute();
          }

          @Override
          public String getFormulaAttribute() {
            return null;
          }

          @Override
          public List getColumnOrFormulaElements() {
            return idElement.getColumn();
          }

          @Override
          public String getContainingTableName() {
            // by definition, the identifier should be bound to the primary table of the root entity
            return null;
          }

          @Override
          public boolean isIncludedInInsertByDefault() {
            return true;
          }

          @Override
          public boolean isIncludedInUpdateByDefault() {
            return false;
          }
        },
        bindingContext
    );
  }

  @Override
  public String getName() {
    return idElement.getName() == null
        ? "id"
        : idElement.getName();
  }

  @Override
  public ExplicitHibernateTypeSource getTypeInformation() {
    return typeSource;
  }

  @Override
  public String getPropertyAccessorName() {
    return idElement.getAccess();
  }

  @Override
  public boolean isInsertable() {
    return true;
  }

  @Override
  public boolean isUpdatable() {
    return false;
  }

  @Override
  public PropertyGeneration getGeneration() {
    return PropertyGeneration.INSERT;
  }

  @Override
  public boolean isLazy() {
    return false;
  }

  @Override
  public boolean isIncludedInOptimisticLocking() {
    return false;
  }

  @Override
  public SingularAttributeNature getNature() {
    return SingularAttributeNature.BASIC;
  }

  @Override
  public boolean isVirtualAttribute() {
    return false;
  }

  @Override
  public boolean areValuesIncludedInInsertByDefault() {
    return true;
  }

  @Override
  public boolean areValuesIncludedInUpdateByDefault() {
    return true;
  }

  @Override
  public boolean areValuesNullableByDefault() {
    return false;
  }

  @Override
  public List<RelationalValueSource> relationalValueSources() {
    return valueSources;
  }

  @Override
  public boolean isSingular() {
    return true;
  }

  @Override
  public Iterable<MetaAttributeSource> metaAttributes() {
    return Helper.buildMetaAttributeSources( idElement.getMeta() );
  }
}
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