mirror of
https://github.com/ebean-orm/ebean.git
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Change license to Apache2 and reformat
This commit is contained in:
rbygrave
@@ -1,142 +1,123 @@
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/**
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* Copyright (C) 2009 Authors
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*
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* This file is part of Ebean.
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*
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* Ebean is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* Ebean is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Ebean; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package com.avaje.ebeaninternal.server.query;
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import java.sql.SQLException;
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import java.util.Set;
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import javax.persistence.PersistenceException;
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import com.avaje.ebean.bean.EntityBean;
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import com.avaje.ebean.bean.EntityBeanIntercept;
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import com.avaje.ebeaninternal.api.SpiQuery.Mode;
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import com.avaje.ebeaninternal.server.deploy.BeanProperty;
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import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocMany;
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import com.avaje.ebeaninternal.server.deploy.DbReadContext;
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/**
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* Controls the loading of property data into a bean.
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* <p>
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* Takes into account the differences of lazy loading and
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* partial objects.
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* </p>
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*/
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public class SqlBeanLoad {
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private final DbReadContext ctx;
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private final Object bean;
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private final Class<?> type;
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private final Object originalOldValues;
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private final boolean isLazyLoad;
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// set of properties to exclude from the refresh because it is
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// not a refresh but rather a lazyLoading event.
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private final Set<String> excludes;
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private final boolean setOriginalOldValues;
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private final boolean rawSql;
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public SqlBeanLoad(DbReadContext ctx, Class<?> type, Object bean, Mode queryMode) {
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this.ctx = ctx;
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this.rawSql = ctx.isRawSql();
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this.type = type;
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this.isLazyLoad = queryMode.equals(Mode.LAZYLOAD_BEAN);
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this.bean = bean;
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if (bean instanceof EntityBean) {
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EntityBeanIntercept ebi = ((EntityBean) bean)._ebean_getIntercept();
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this.excludes = isLazyLoad ? ebi.getLoadedProps() : null;
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if (excludes != null) {
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// lazy loading a "Partial Object"... which already
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// contains some properties and perhaps some oldValues
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// and these will need to be maintained...
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originalOldValues = ebi.getOldValues();
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} else {
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originalOldValues = null;
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}
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this.setOriginalOldValues = originalOldValues != null;
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} else {
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this.excludes = null;
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this.originalOldValues = null;
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this.setOriginalOldValues = false;
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}
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}
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/**
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* Return true if this is a lazy loading.
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*/
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public boolean isLazyLoad() {
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return isLazyLoad;
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}
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/**
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* Increment the resultSet index 1.
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*/
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public void loadIgnore(int increment) {
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ctx.getDataReader().incrementPos(increment);
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}
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public Object load(BeanProperty prop) throws SQLException {
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if (!rawSql && prop.isTransient()){
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return null;
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}
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if ((bean == null)
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|| (excludes != null && excludes.contains(prop.getName()))
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|| (type != null && !prop.isAssignableFrom(type))){
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// ignore this property
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// ... null: bean already in persistence context
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// ... excludes: partial bean that is lazy loading
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// ... type: inheritance and not assignable to this instance
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prop.loadIgnore(ctx);
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return null;
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}
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try {
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Object dbVal = prop.read(ctx);
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if (isLazyLoad){
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prop.setValue(bean, dbVal);
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} else {
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prop.setValueIntercept(bean, dbVal);
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}
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if (setOriginalOldValues){
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// maintain original oldValues for partially loaded bean
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prop.setValue(originalOldValues, dbVal);
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}
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return dbVal;
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} catch (Exception e) {
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String msg = "Error loading on " + prop.getFullBeanName();
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throw new PersistenceException(msg, e);
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}
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}
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public void loadAssocMany(BeanPropertyAssocMany<?> prop) {
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// do nothing, as a lazy loading BeanCollection 'reference'
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// is created and registered with the loading context
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// in SqlTreeNodeBean.createListProxies()
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}
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}
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package com.avaje.ebeaninternal.server.query;
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import java.sql.SQLException;
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import java.util.Set;
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import javax.persistence.PersistenceException;
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import com.avaje.ebean.bean.EntityBean;
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import com.avaje.ebean.bean.EntityBeanIntercept;
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import com.avaje.ebeaninternal.api.SpiQuery.Mode;
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import com.avaje.ebeaninternal.server.deploy.BeanProperty;
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import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocMany;
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import com.avaje.ebeaninternal.server.deploy.DbReadContext;
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/**
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* Controls the loading of property data into a bean.
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* <p>
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* Takes into account the differences of lazy loading and
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* partial objects.
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* </p>
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*/
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public class SqlBeanLoad {
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private final DbReadContext ctx;
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private final Object bean;
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private final Class<?> type;
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private final Object originalOldValues;
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private final boolean isLazyLoad;
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// set of properties to exclude from the refresh because it is
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// not a refresh but rather a lazyLoading event.
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private final Set<String> excludes;
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private final boolean setOriginalOldValues;
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private final boolean rawSql;
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public SqlBeanLoad(DbReadContext ctx, Class<?> type, Object bean, Mode queryMode) {
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this.ctx = ctx;
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this.rawSql = ctx.isRawSql();
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this.type = type;
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this.isLazyLoad = queryMode.equals(Mode.LAZYLOAD_BEAN);
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this.bean = bean;
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if (bean instanceof EntityBean) {
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EntityBeanIntercept ebi = ((EntityBean) bean)._ebean_getIntercept();
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this.excludes = isLazyLoad ? ebi.getLoadedProps() : null;
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if (excludes != null) {
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// lazy loading a "Partial Object"... which already
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// contains some properties and perhaps some oldValues
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// and these will need to be maintained...
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originalOldValues = ebi.getOldValues();
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} else {
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originalOldValues = null;
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}
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this.setOriginalOldValues = originalOldValues != null;
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} else {
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this.excludes = null;
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this.originalOldValues = null;
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this.setOriginalOldValues = false;
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}
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}
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/**
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* Return true if this is a lazy loading.
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*/
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public boolean isLazyLoad() {
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return isLazyLoad;
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}
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/**
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* Increment the resultSet index 1.
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*/
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public void loadIgnore(int increment) {
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ctx.getDataReader().incrementPos(increment);
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}
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public Object load(BeanProperty prop) throws SQLException {
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if (!rawSql && prop.isTransient()){
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return null;
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}
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if ((bean == null)
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|| (excludes != null && excludes.contains(prop.getName()))
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|| (type != null && !prop.isAssignableFrom(type))){
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// ignore this property
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// ... null: bean already in persistence context
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// ... excludes: partial bean that is lazy loading
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// ... type: inheritance and not assignable to this instance
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prop.loadIgnore(ctx);
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return null;
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}
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try {
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Object dbVal = prop.read(ctx);
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if (isLazyLoad){
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prop.setValue(bean, dbVal);
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} else {
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prop.setValueIntercept(bean, dbVal);
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}
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if (setOriginalOldValues){
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// maintain original oldValues for partially loaded bean
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prop.setValue(originalOldValues, dbVal);
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}
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return dbVal;
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} catch (Exception e) {
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String msg = "Error loading on " + prop.getFullBeanName();
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throw new PersistenceException(msg, e);
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}
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}
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public void loadAssocMany(BeanPropertyAssocMany<?> prop) {
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// do nothing, as a lazy loading BeanCollection 'reference'
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// is created and registered with the loading context
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// in SqlTreeNodeBean.createListProxies()
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}
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}
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