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https://github.com/ebean-orm/ebean.git
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rbygrave
@@ -1,125 +1,125 @@
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package com.avaje.ebeaninternal.server.query;
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import java.util.Collection;
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import com.avaje.ebean.QueryIterator;
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import com.avaje.ebean.bean.BeanCollection;
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import com.avaje.ebean.bean.EntityBean;
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import com.avaje.ebean.event.BeanFinder;
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import com.avaje.ebeaninternal.api.BeanIdList;
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import com.avaje.ebeaninternal.api.SpiQuery;
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import com.avaje.ebeaninternal.api.SpiTransaction;
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import com.avaje.ebeaninternal.server.core.OrmQueryEngine;
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import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager;
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/**
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* Main Finder implementation.
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*/
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public class DefaultOrmQueryEngine implements OrmQueryEngine {
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/**
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* Find using predicates
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*/
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private final CQueryEngine queryEngine;
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/**
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* Create the Finder.
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*/
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public DefaultOrmQueryEngine(BeanDescriptorManager descMgr, CQueryEngine queryEngine) {
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this.queryEngine = queryEngine;
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}
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/**
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* Flushes the jdbc batch by default unless explicitly turned off on the transaction.
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*/
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private <T> void flushJdbcBatchOnQuery(OrmQueryRequest<T> request) {
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SpiTransaction t = request.getTransaction();
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if (t.isBatchFlushOnQuery()) {
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// before we perform a query, we need to flush any
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// previous persist requests that are queued/batched.
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// The query may read data affected by those requests.
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t.flushBatch();
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}
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}
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public <T> int findRowCount(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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return queryEngine.findRowCount(request);
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}
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public <T> BeanIdList findIds(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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return queryEngine.findIds(request);
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}
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public <T> QueryIterator<T> findIterate(OrmQueryRequest<T> request) {
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// LIMITATION: You can not use QueryIterator to load bean cache
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flushJdbcBatchOnQuery(request);
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return queryEngine.findIterate(request);
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}
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public <T> BeanCollection<T> findMany(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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BeanFinder<T> finder = request.getBeanFinder();
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BeanCollection<T> result;
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if (finder != null) {
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// this bean type has its own specific finder
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result = finder.findMany(request);
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} else {
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result = queryEngine.findMany(request);
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}
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SpiQuery<T> query = request.getQuery();
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if (query.isLoadBeanCache()) {
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// load the individual beans into the bean cache
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BeanDescriptor<T> descriptor = request.getBeanDescriptor();
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Collection<T> c = result.getActualDetails();
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for (T bean : c) {
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descriptor.cacheBeanPutData((EntityBean) bean);
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}
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}
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if (!result.isEmpty() && query.isUseQueryCache()) {
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// load the query result into the query cache
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request.putToQueryCache(result);
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}
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return result;
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}
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/**
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* Find a single bean using its unique id.
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*/
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public <T> T findId(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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BeanFinder<T> finder = request.getBeanFinder();
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T result;
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if (finder != null) {
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result = finder.find(request);
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} else {
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result = queryEngine.find(request);
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}
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if (result != null && request.isUseBeanCache()) {
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request.getBeanDescriptor().cacheBeanPutData((EntityBean) result);
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}
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return result;
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}
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}
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package com.avaje.ebeaninternal.server.query;
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import java.util.Collection;
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import com.avaje.ebean.QueryIterator;
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import com.avaje.ebean.bean.BeanCollection;
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import com.avaje.ebean.bean.EntityBean;
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import com.avaje.ebean.event.BeanFinder;
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import com.avaje.ebeaninternal.api.BeanIdList;
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import com.avaje.ebeaninternal.api.SpiQuery;
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import com.avaje.ebeaninternal.api.SpiTransaction;
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import com.avaje.ebeaninternal.server.core.OrmQueryEngine;
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import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager;
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/**
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* Main Finder implementation.
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*/
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public class DefaultOrmQueryEngine implements OrmQueryEngine {
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/**
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* Find using predicates
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*/
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private final CQueryEngine queryEngine;
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/**
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* Create the Finder.
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*/
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public DefaultOrmQueryEngine(BeanDescriptorManager descMgr, CQueryEngine queryEngine) {
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this.queryEngine = queryEngine;
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}
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/**
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* Flushes the jdbc batch by default unless explicitly turned off on the transaction.
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*/
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private <T> void flushJdbcBatchOnQuery(OrmQueryRequest<T> request) {
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SpiTransaction t = request.getTransaction();
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if (t.isBatchFlushOnQuery()) {
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// before we perform a query, we need to flush any
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// previous persist requests that are queued/batched.
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// The query may read data affected by those requests.
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t.flushBatch();
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}
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}
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public <T> int findRowCount(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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return queryEngine.findRowCount(request);
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}
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public <T> BeanIdList findIds(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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return queryEngine.findIds(request);
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}
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public <T> QueryIterator<T> findIterate(OrmQueryRequest<T> request) {
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// LIMITATION: You can not use QueryIterator to load bean cache
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flushJdbcBatchOnQuery(request);
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return queryEngine.findIterate(request);
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}
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public <T> BeanCollection<T> findMany(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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BeanFinder<T> finder = request.getBeanFinder();
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BeanCollection<T> result;
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if (finder != null) {
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// this bean type has its own specific finder
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result = finder.findMany(request);
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} else {
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result = queryEngine.findMany(request);
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}
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SpiQuery<T> query = request.getQuery();
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if (query.isLoadBeanCache()) {
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// load the individual beans into the bean cache
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BeanDescriptor<T> descriptor = request.getBeanDescriptor();
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Collection<T> c = result.getActualDetails();
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for (T bean : c) {
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descriptor.cacheBeanPutData((EntityBean) bean);
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}
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}
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if (!result.isEmpty() && query.isUseQueryCache()) {
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// load the query result into the query cache
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request.putToQueryCache(result);
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}
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return result;
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}
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/**
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* Find a single bean using its unique id.
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*/
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public <T> T findId(OrmQueryRequest<T> request) {
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flushJdbcBatchOnQuery(request);
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BeanFinder<T> finder = request.getBeanFinder();
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T result;
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if (finder != null) {
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result = finder.find(request);
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} else {
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result = queryEngine.find(request);
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}
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if (result != null && request.isUseBeanCache()) {
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request.getBeanDescriptor().cacheBeanPutData((EntityBean) result);
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}
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return result;
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}
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}
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