Package org.hibernate.cfg

Source Code of org.hibernate.cfg.NamedSQLQuerySecondPass

//$Id: NamedSQLQuerySecondPass.java 10196 2006-08-03 07:53:27Z max.andersen@jboss.com $
package org.hibernate.cfg;

import java.util.Map;
import java.util.ArrayList;
import java.util.Iterator;

import org.hibernate.MappingException;
import org.hibernate.util.StringHelper;
import org.hibernate.engine.NamedSQLQueryDefinition;
import org.hibernate.engine.ResultSetMappingDefinition;
import org.dom4j.Attribute;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* @author Emmanuel Bernard
*/
public class NamedSQLQuerySecondPass extends ResultSetMappingBinder implements QuerySecondPass {
  private static Logger log = LoggerFactory.getLogger( NamedSQLQuerySecondPass.class);
  private Element queryElem;
  private String path;
  private Mappings mappings;

  public NamedSQLQuerySecondPass(Element queryElem, String path, Mappings mappings) {
    this.queryElem = queryElem;
    this.path = path;
    this.mappings = mappings;
  }

  public void doSecondPass(Map persistentClasses) throws MappingException {
    String queryName = queryElem.attribute( "name" ).getValue();
    if (path!=null) queryName = path + '.' + queryName;

    boolean cacheable = "true".equals( queryElem.attributeValue( "cacheable" ) );
    String region = queryElem.attributeValue( "cache-region" );
    Attribute tAtt = queryElem.attribute( "timeout" );
    Integer timeout = tAtt == null ? null : new Integer( tAtt.getValue() );
    Attribute fsAtt = queryElem.attribute( "fetch-size" );
    Integer fetchSize = fsAtt == null ? null : new Integer( fsAtt.getValue() );
    Attribute roAttr = queryElem.attribute( "read-only" );
    boolean readOnly = roAttr != null && "true".equals( roAttr.getValue() );
    Attribute cacheModeAtt = queryElem.attribute( "cache-mode" );
    String cacheMode = cacheModeAtt == null ? null : cacheModeAtt.getValue();
    Attribute cmAtt = queryElem.attribute( "comment" );
    String comment = cmAtt == null ? null : cmAtt.getValue();

    java.util.List synchronizedTables = new ArrayList();
    Iterator tables = queryElem.elementIterator( "synchronize" );
    while ( tables.hasNext() ) {
      synchronizedTables.add( ( (Element) tables.next() ).attributeValue( "table" ) );
    }
    boolean callable = "true".equals( queryElem.attributeValue( "callable" ) );

    NamedSQLQueryDefinition namedQuery;
    Attribute ref = queryElem.attribute( "resultset-ref" );
    String resultSetRef = ref == null ? null : ref.getValue();
    if ( StringHelper.isNotEmpty( resultSetRef ) ) {
      namedQuery = new NamedSQLQueryDefinition(
          queryElem.getText(),
          resultSetRef,
          synchronizedTables,
          cacheable,
          region,
          timeout,
          fetchSize,
          HbmBinder.getFlushMode( queryElem.attributeValue( "flush-mode" ) ),
          HbmBinder.getCacheMode( cacheMode ),
          readOnly,
          comment,
          HbmBinder.getParameterTypes( queryElem ),
          callable
      );
      //TODO check there is no actual definition elemnents when a ref is defined
    }
    else {
      ResultSetMappingDefinition definition = buildResultSetMappingDefinition( queryElem, path, mappings );
      namedQuery = new NamedSQLQueryDefinition(
          queryElem.getText(),
          definition.getQueryReturns(),
          synchronizedTables,
          cacheable,
          region,
          timeout,
          fetchSize,
          HbmBinder.getFlushMode( queryElem.attributeValue( "flush-mode" ) ),
          HbmBinder.getCacheMode( cacheMode ),
          readOnly,
          comment,
          HbmBinder.getParameterTypes( queryElem ),
          callable
      );
    }

    log.debug( "Named SQL query: " + queryName + " -> " + namedQuery.getQueryString() );
    mappings.addSQLQuery( queryName, namedQuery );
  }
}
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