Package org.hibernate.jpa.internal

Source Code of org.hibernate.jpa.internal.StoredProcedureQueryImpl$ParameterRegistrationImpl

/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, 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.jpa.internal;

import java.util.Calendar;
import java.util.Date;
import java.util.List;
import javax.persistence.FlushModeType;
import javax.persistence.LockModeType;
import javax.persistence.NoResultException;
import javax.persistence.NonUniqueResultException;
import javax.persistence.Parameter;
import javax.persistence.ParameterMode;
import javax.persistence.PersistenceException;
import javax.persistence.Query;
import javax.persistence.StoredProcedureQuery;
import javax.persistence.TemporalType;
import javax.persistence.TransactionRequiredException;

import org.hibernate.CacheMode;
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.jpa.spi.BaseQueryImpl;
import org.hibernate.jpa.spi.HibernateEntityManagerImplementor;
import org.hibernate.jpa.spi.ParameterBind;
import org.hibernate.jpa.spi.ParameterRegistration;
import org.hibernate.procedure.NoSuchParameterException;
import org.hibernate.procedure.ParameterStrategyException;
import org.hibernate.procedure.ProcedureCall;
import org.hibernate.procedure.ProcedureCallMemento;
import org.hibernate.procedure.ProcedureOutputs;
import org.hibernate.result.NoMoreReturnsException;
import org.hibernate.result.Output;
import org.hibernate.result.ResultSetOutput;
import org.hibernate.result.UpdateCountOutput;

/**
* @author Steve Ebersole
*/
public class StoredProcedureQueryImpl extends BaseQueryImpl implements StoredProcedureQuery {
  private final ProcedureCall procedureCall;
  private ProcedureOutputs procedureResult;

  public StoredProcedureQueryImpl(ProcedureCall procedureCall, HibernateEntityManagerImplementor entityManager) {
    super( entityManager );
    this.procedureCall = procedureCall;
  }

  /**
   * This form is used to build a StoredProcedureQueryImpl from a memento (usually from a NamedStoredProcedureQuery).
   *
   * @param memento The memento
   * @param entityManager The EntityManager
   */
  @SuppressWarnings("unchecked")
  public StoredProcedureQueryImpl(ProcedureCallMemento memento, HibernateEntityManagerImplementor entityManager) {
    super( entityManager );
    this.procedureCall = memento.makeProcedureCall( entityManager.getSession() );
    for ( org.hibernate.procedure.ParameterRegistration nativeParamReg : procedureCall.getRegisteredParameters() ) {
      registerParameter( new ParameterRegistrationImpl( this, nativeParamReg ) );
    }
  }

  @Override
  protected boolean applyTimeoutHint(int timeout) {
    procedureCall.setTimeout( timeout );
    return true;
  }

  @Override
  protected boolean applyCacheableHint(boolean isCacheable) {
    procedureCall.setCacheable( isCacheable );
    return true;
  }

  @Override
  protected boolean applyCacheRegionHint(String regionName) {
    procedureCall.setCacheRegion( regionName );
    return true;
  }

  @Override
  protected boolean applyReadOnlyHint(boolean isReadOnly) {
    procedureCall.setReadOnly( isReadOnly );
    return true;
  }

  @Override
  protected boolean applyCacheModeHint(CacheMode cacheMode) {
    procedureCall.setCacheMode( cacheMode );
    return true;
  }

  @Override
  protected boolean applyFlushModeHint(FlushMode flushMode) {
    procedureCall.setFlushMode( flushMode );
    return true;
  }

  @Override
  @SuppressWarnings("unchecked")
  public StoredProcedureQuery registerStoredProcedureParameter(int position, Class type, ParameterMode mode) {
    entityManager().checkOpen( true );

    try {
      registerParameter(
          new ParameterRegistrationImpl(
              this,
              procedureCall.registerParameter( position, type, mode )
          )
      );
    }
    catch (HibernateException he) {
      throw entityManager().convert( he );
    }
    catch (RuntimeException e) {
      entityManager().markForRollbackOnly();
      throw e;
    }

    return this;
  }

  @Override
  @SuppressWarnings("unchecked")
  public StoredProcedureQuery registerStoredProcedureParameter(String parameterName, Class type, ParameterMode mode) {
    entityManager().checkOpen( true );

    try {
      registerParameter(
          new ParameterRegistrationImpl(
              this,
              procedureCall.registerParameter( parameterName, type, mode )
          )
      );
    }
    catch (HibernateException he) {
      throw entityManager().convert( he );
    }
    catch (RuntimeException e) {
      entityManager().markForRollbackOnly();
      throw e;
    }

    return this;
  }

  @Override
  public <T> StoredProcedureQueryImpl setParameter(Parameter<T> param, T value) {
    return (StoredProcedureQueryImpl) super.setParameter( param, value );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(Parameter<Calendar> param, Calendar value, TemporalType temporalType) {
    return (StoredProcedureQueryImpl) super.setParameter( param, value, temporalType );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(Parameter<Date> param, Date value, TemporalType temporalType) {
    return (StoredProcedureQueryImpl) super.setParameter( param, value, temporalType );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(String name, Object value) {
    return ( StoredProcedureQueryImpl) super.setParameter( name, value );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(String name, Calendar value, TemporalType temporalType) {
    return (StoredProcedureQueryImpl) super.setParameter( name, value, temporalType );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(String name, Date value, TemporalType temporalType) {
    return (StoredProcedureQueryImpl) super.setParameter( name, value, temporalType );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(int position, Object value) {
    return (StoredProcedureQueryImpl) super.setParameter( position, value );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(int position, Calendar value, TemporalType temporalType) {
    return (StoredProcedureQueryImpl) super.setParameter( position, value, temporalType );
  }

  @Override
  public StoredProcedureQueryImpl setParameter(int position, Date value, TemporalType temporalType) {
    return (StoredProcedureQueryImpl) super.setParameter( position, value, temporalType );
  }


  // covariant returns ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  @Override
  public StoredProcedureQueryImpl setFlushMode(FlushModeType jpaFlushMode) {
    return (StoredProcedureQueryImpl) super.setFlushMode( jpaFlushMode );
  }

  @Override
  public StoredProcedureQueryImpl setHint(String hintName, Object value) {
    return (StoredProcedureQueryImpl) super.setHint( hintName, value );
  }


  // outputs ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  @Override
  public boolean execute() {
    try {
      final Output rtn = outputs().getCurrent();
      return rtn != null && ResultSetOutput.class.isInstance( rtn );
    }
    catch (NoMoreReturnsException e) {
      return false;
    }
    catch (HibernateException he) {
      throw entityManager().convert( he );
    }
    catch (RuntimeException e) {
      entityManager().markForRollbackOnly();
      throw e;
    }
  }

  protected ProcedureOutputs outputs() {
    if ( procedureResult == null ) {
      procedureResult = procedureCall.getOutputs();
    }
    return procedureResult;
  }

  @Override
  public int executeUpdate() {
    if ( ! entityManager().isTransactionInProgress() ) {
      throw new TransactionRequiredException( "javax.persistence.Query.executeUpdate requires active transaction" );
    }

    // the expectation is that there is just one Output, of type UpdateCountOutput
    try {
      execute();
      return getUpdateCount();
    }
    finally {
      outputs().release();
    }
  }

  @Override
  public Object getOutputParameterValue(int position) {
    // NOTE : according to spec (specifically), an exception thrown from this method should not mark for rollback.
    try {
      return outputs().getOutputParameterValue( position );
    }
    catch (ParameterStrategyException e) {
      throw new IllegalArgumentException( "Invalid mix of named and positional parameters", e );
    }
    catch (NoSuchParameterException e) {
      throw new IllegalArgumentException( e.getMessage(), e );
    }
  }

  @Override
  public Object getOutputParameterValue(String parameterName) {
    // NOTE : according to spec (specifically), an exception thrown from this method should not mark for rollback.
    try {
      return outputs().getOutputParameterValue( parameterName );
    }
    catch (ParameterStrategyException e) {
      throw new IllegalArgumentException( "Invalid mix of named and positional parameters", e );
    }
    catch (NoSuchParameterException e) {
      throw new IllegalArgumentException( e.getMessage(), e );
    }
  }

  @Override
  public boolean hasMoreResults() {
    return outputs().goToNext() && ResultSetOutput.class.isInstance( outputs().getCurrent() );
  }

  @Override
  public int getUpdateCount() {
    try {
      final Output rtn = outputs().getCurrent();
      if ( rtn == null ) {
        return -1;
      }
      else if ( UpdateCountOutput.class.isInstance( rtn ) ) {
        return ( (UpdateCountOutput) rtn ).getUpdateCount();
      }
      else {
        return -1;
      }
    }
    catch (NoMoreReturnsException e) {
      return -1;
    }
    catch (HibernateException he) {
      throw entityManager().convert( he );
    }
    catch (RuntimeException e) {
      entityManager().markForRollbackOnly();
      throw e;
    }
  }

  @Override
  public List getResultList() {
    try {
      final Output rtn = outputs().getCurrent();
      if ( ! ResultSetOutput.class.isInstance( rtn ) ) {
        throw new IllegalStateException( "Current CallableStatement ou was not a ResultSet, but getResultList was called" );
      }

      return ( (ResultSetOutput) rtn ).getResultList();
    }
    catch (NoMoreReturnsException e) {
      // todo : the spec is completely silent on these type of edge-case scenarios.
      // Essentially here we'd have a case where there are no more results (ResultSets nor updateCount) but
      // getResultList was called.
      return null;
    }
    catch (HibernateException he) {
      throw entityManager().convert( he );
    }
    catch (RuntimeException e) {
      entityManager().markForRollbackOnly();
      throw e;
    }
  }

  @Override
  public Object getSingleResult() {
    final List resultList = getResultList();
    if ( resultList == null || resultList.isEmpty() ) {
      throw new NoResultException(
          String.format(
              "Call to stored procedure [%s] returned no results",
              procedureCall.getProcedureName()
          )
      );
    }
    else if ( resultList.size() > 1 ) {
      throw new NonUniqueResultException(
          String.format(
              "Call to stored procedure [%s] returned multiple results",
              procedureCall.getProcedureName()
          )
      );
    }

    return resultList.get( 0 );
  }

  @Override
  @SuppressWarnings("unchecked")
  public <T> T unwrap(Class<T> cls) {
    if ( ProcedureCall.class.isAssignableFrom( cls ) ) {
      return (T) procedureCall;
    }
    else if ( ProcedureOutputs.class.isAssignableFrom( cls ) ) {
      return (T) outputs();
    }
    else if ( StoredProcedureQueryImpl.class.isAssignableFrom( cls ) ) {
      return (T) this;
    }
    else if ( StoredProcedureQuery.class.equals( cls ) ) {
      return (T) this;
    }

    throw new PersistenceException(
        String.format(
            "Unsure how to unwrap %s impl [%s] as requested type [%s]",
            StoredProcedureQuery.class.getSimpleName(),
            this.getClass().getName(),
            cls.getName()
        )
    );
  }

  @Override
  protected boolean isNativeSqlQuery() {
    return false;
  }

  @Override
  protected boolean isSelectQuery() {
    return false;
  }

  @Override
  public Query setLockMode(LockModeType lockMode) {
    throw new IllegalStateException( "javax.persistence.Query.setLockMode not valid on javax.persistence.StoredProcedureQuery" );
  }

  @Override
  public LockModeType getLockMode() {
    throw new IllegalStateException( "javax.persistence.Query.getLockMode not valid on javax.persistence.StoredProcedureQuery" );
  }


  // unsupported hints/calls ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


  @Override
  protected void internalApplyLockMode(LockModeType lockModeType) {
    throw new IllegalStateException( "Specifying LockMode not valid on javax.persistence.StoredProcedureQuery" );
  }

  @Override
  protected void applyFirstResult(int firstResult) {
  }

  @Override
  protected void applyMaxResults(int maxResults) {
  }

  @Override
  protected boolean canApplyAliasSpecificLockModeHints() {
    return false;
  }

  @Override
  protected void applyAliasSpecificLockModeHint(String alias, LockMode lockMode) {
  }

  @Override
  protected boolean applyLockTimeoutHint(int timeout) {
    return false;
  }

  @Override
  protected boolean applyCommentHint(String comment) {
    return false;
  }

  @Override
  protected boolean applyFetchSizeHint(int fetchSize) {
    return false;
  }


  // parameters ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  public ProcedureCall getHibernateProcedureCall() {
    return procedureCall;
  }

  private static class ParameterRegistrationImpl<T> implements ParameterRegistration<T> {
    private final StoredProcedureQueryImpl query;
    private final org.hibernate.procedure.ParameterRegistration<T> nativeParamRegistration;

    private ParameterBind<T> bind;

    public ParameterRegistrationImpl(
        StoredProcedureQueryImpl query,
        org.hibernate.procedure.ParameterRegistration<T> nativeParamRegistration) {
      this.query = query;
      this.nativeParamRegistration = nativeParamRegistration;
    }

    @Override
    public String getName() {
      return nativeParamRegistration.getName();
    }

    @Override
    public Integer getPosition() {
      return nativeParamRegistration.getPosition();
    }

    @Override
    public Class<T> getParameterType() {
      return nativeParamRegistration.getType();
    }

    @Override
    public boolean isJpaPositionalParameter() {
      return getPosition() != null;
    }

    @Override
    public Query getQuery() {
      return query;
    }

    @Override
    public ParameterMode getMode() {
      return nativeParamRegistration.getMode();
    }

    @Override
    public boolean isBindable() {
      return getMode() == ParameterMode.IN || getMode() == ParameterMode.INOUT;
    }

    @Override
    public void bindValue(T value) {
      bindValue( value, null );
    }

    @Override
    public void bindValue(T value, TemporalType specifiedTemporalType) {
      validateBinding( getParameterType(), value, specifiedTemporalType );

      nativeParamRegistration.bindValue( value,specifiedTemporalType );

      if ( bind == null ) {
        bind = new ParameterBind<T>() {
          @Override
          public T getValue() {
            return nativeParamRegistration.getBind().getValue();
          }

          @Override
          public TemporalType getSpecifiedTemporalType() {
            return nativeParamRegistration.getBind().getExplicitTemporalType();
          }
        };
      }
    }

    @Override
    public ParameterBind<T> getBind() {
      return bind;
    }
  }
}
TOP

Related Classes of org.hibernate.jpa.internal.StoredProcedureQueryImpl$ParameterRegistrationImpl

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.