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//$Id: NamedQueryCollectionInitializer.java 10019 2006-06-15 07:50:12Z steve.ebersole@jboss.com $
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package org.hibernate.persister.collection;
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import java.io.Serializable;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.hibernate.FlushMode;
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import org.hibernate.HibernateException;
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import org.hibernate.engine.SessionImplementor;
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import org.hibernate.impl.AbstractQueryImpl;
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import org.hibernate.loader.collection.CollectionInitializer;
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* A wrapper around a named query.
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public final class NamedQueryCollectionInitializer implements CollectionInitializer {
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private final String queryName;
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private final CollectionPersister persister;
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private static final Log log = LogFactory.getLog(NamedQueryCollectionInitializer.class);
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public NamedQueryCollectionInitializer(String queryName, CollectionPersister persister) {
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this.queryName = queryName;
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this.persister = persister;
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public void initialize(Serializable key, SessionImplementor session)
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throws HibernateException {
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if ( log.isDebugEnabled() ) {
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"initializing collection: " +
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" using named query: " +
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//TODO: is there a more elegant way than downcasting?
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AbstractQueryImpl query = (AbstractQueryImpl) session.getNamedSQLQuery(queryName);
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if ( query.getNamedParameters().length>0 ) {
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query.getNamedParameters()[0],
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persister.getKeyType()
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query.setParameter( 0, key, persister.getKeyType() );
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query.setCollectionKey( key )
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.setFlushMode( FlushMode.MANUAL )
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