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Change *ToMany lazy loading to not use the parent entity/table

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This commit is contained in:
Rob Bygrave
2014-01-30 22:27:52 +13:00
parent 87a948223c
commit 749f8d0d45
36 changed files with 542 additions and 190 deletions
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src/main/java/com/avaje/ebeaninternal/server/query/SqlTreeNodeRoot.java
+24 -23
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@@ -3,6 +3,7 @@ package com.avaje.ebeaninternal.server.query;
import java.util.List;
import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocMany;
import com.avaje.ebeaninternal.server.deploy.DbReadContext;
import com.avaje.ebeaninternal.server.deploy.DbSqlContext;
import com.avaje.ebeaninternal.server.deploy.TableJoin;
@@ -13,43 +14,43 @@ import com.avaje.ebeaninternal.server.deploy.TableJoin;
public final class SqlTreeNodeRoot extends SqlTreeNodeBean {
private final TableJoin includeJoin;
/**
* Specify for SqlSelect to include an Id property or not.
*/
public SqlTreeNodeRoot(BeanDescriptor<?> desc, SqlTreeProperties props, List<SqlTreeNode> myList, boolean withId, TableJoin includeJoin){
super(null, null, desc, props, myList, withId);
public SqlTreeNodeRoot(BeanDescriptor<?> desc, SqlTreeProperties props, List<SqlTreeNode> myList, boolean withId, TableJoin includeJoin, BeanPropertyAssocMany<?> many){
super(null, null, desc, props, myList, withId, many);
this.includeJoin = includeJoin;
}
public SqlTreeNodeRoot(BeanDescriptor<?> desc, SqlTreeProperties props, List<SqlTreeNode> myList, boolean withId) {
super(null, null, desc, props, myList, withId);
super(null, null, desc, props, myList, withId, null);
this.includeJoin = null;
}
@Override
protected void postLoad(DbReadContext cquery, Object loadedBean, Object id) {
protected void postLoad(DbReadContext cquery, Object loadedBean, Object id, Object lazyLoadParentId) {
// set the current bean with id...
cquery.setLoadedBean(loadedBean, id);
cquery.setLoadedBean(loadedBean, id, lazyLoadParentId);
}
/**
* For the root node there is no join type or on clause etc.
*/
@Override
public boolean appendFromBaseTable(DbSqlContext ctx, boolean forceOuterJoin) {
ctx.append(desc.getBaseTable());
ctx.append(" ").append(ctx.getTableAlias(null));
if (includeJoin != null){
String a1 = ctx.getTableAlias(null);
String a2 = "int_"; // unique alias for intersection join
includeJoin.addJoin(forceOuterJoin, a1, a2, ctx);
}
return forceOuterJoin;
}
/**
* For the root node there is no join type or on clause etc.
*/
@Override
public boolean appendFromBaseTable(DbSqlContext ctx, boolean forceOuterJoin) {
ctx.append(desc.getBaseTable());
ctx.append(" ").append(ctx.getTableAlias(null));
if (includeJoin != null) {
String a1 = ctx.getTableAlias(null);
String a2 = "int_"; // unique alias for intersection join
includeJoin.addJoin(forceOuterJoin, a1, a2, ctx);
}
return forceOuterJoin;
}
}