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This commit is contained in:
Timo Westkämper 2009-01-06 13:47:49 +00:00
parent 0ee0a344a4
commit 1abce5833f
4 changed files with 88 additions and 41 deletions
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56
querydsl-collections/src/main/java/com/mysema/query/collections/alias/AliasAwareExprFactory.java
View File

@ -27,41 +27,77 @@ public class AliasAwareExprFactory extends SimpleExprFactory{
}
public PBoolean create(Boolean arg){
return aliasFactory.isBound() ? aliasFactory.<PBoolean>getCurrent() : super.create(arg);
try{
return aliasFactory.isBound() ? aliasFactory.<PBoolean>getCurrent() : super.create(arg);
}finally{
aliasFactory.setCurrent(null);
}
}
public PBooleanArray create(Boolean[] args){
return aliasFactory.isBound() ? aliasFactory.<PBooleanArray>getCurrent() : super.create(args);
try{
return aliasFactory.isBound() ? aliasFactory.<PBooleanArray>getCurrent() : super.create(args);
}finally{
aliasFactory.setCurrent(null);
}
}
public <D> PComponentCollection<D> create(Collection<D> arg) {
return aliasFactory.isBound() ? aliasFactory.<PComponentCollection<D>>getCurrent() : super.create(arg);
try{
return aliasFactory.isBound() ? aliasFactory.<PComponentCollection<D>>getCurrent() : super.create(arg);
}finally{
aliasFactory.setCurrent(null);
}
}
public <D extends Comparable<D>> PComparable<D> create(D arg){
return aliasFactory.isBound() ? aliasFactory.<PComparable<D>>getCurrent() : super.create(arg);
try{
return aliasFactory.isBound() ? aliasFactory.<PComparable<D>>getCurrent() : super.create(arg);
}finally{
aliasFactory.setCurrent(null);
}
}
@SuppressWarnings("unchecked")
public <D> PSimple<D> create(D arg){
PSimple<D> path = (PSimple<D>) aliasFactory.pathForAlias(arg);
return path != null ? path : super.create(arg);
try{
PSimple<D> path = (PSimple<D>) aliasFactory.pathForAlias(arg);
return path != null ? path : super.create(arg);
}finally{
aliasFactory.setCurrent(null);
}
}
public <D extends Comparable<D>> PComparableArray<D> create(D[] args){
return aliasFactory.isBound() ? aliasFactory.<PComparableArray<D>>getCurrent() : super.create(args);
try{
return aliasFactory.isBound() ? aliasFactory.<PComparableArray<D>>getCurrent() : super.create(args);
}finally{
aliasFactory.setCurrent(null);
}
}
public <D> PComponentList<D> create(List<D> arg) {
return aliasFactory.isBound() ? aliasFactory.<PComponentList<D>>getCurrent() : super.create(arg);
try{
return aliasFactory.isBound() ? aliasFactory.<PComponentList<D>>getCurrent() : super.create(arg);
}finally{
aliasFactory.setCurrent(null);
}
}
public ExtString create(String arg){
return aliasFactory.isBound() ? aliasFactory.<ExtString>getCurrent() : super.create(arg);
try{
return aliasFactory.isBound() ? aliasFactory.<ExtString>getCurrent() : super.create(arg);
}finally{
aliasFactory.setCurrent(null);
}
}
public PStringArray create(String[] args){
return aliasFactory.isBound() ? aliasFactory.<PStringArray>getCurrent() : super.create(args);
try{
return aliasFactory.isBound() ? aliasFactory.<PStringArray>getCurrent() : super.create(args);
}finally{
aliasFactory.setCurrent(null);
}
}
}

4
querydsl-collections/src/main/java/com/mysema/query/collections/alias/AliasFactory.java
View File

@ -61,9 +61,7 @@ public class AliasFactory {
@SuppressWarnings("unchecked")
public <A extends Path<?>> A getCurrent() {
A rv = (A)current.get();
current.remove();
return rv;
return (A) current.get();
}
public boolean isBound() {

55
querydsl-collections/src/main/java/com/mysema/query/collections/alias/PropertyAccessInvocationHandler.java
View File

@ -6,6 +6,7 @@
package com.mysema.query.collections.alias;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
@ -71,30 +72,36 @@ class PropertyAccessInvocationHandler implements MethodInterceptor{
aliasFactory.setCurrent(propToPath.get(ptyName));
return rv;
// }else if (isElementAccess(method)){
// String ptyName = "_get";
// Object rv;
// if (propToObj.containsKey(ptyName)){
// rv = propToObj.get(ptyName);
// }else{
// Path<?> parent = aliasFactory.pathForAlias(proxy);
// if (parent == null) throw new IllegalArgumentException("No path for " + proxy);
// PathMetadata<Integer> pm = PathMetadata.forListAccess((PList<?>)parent, (Integer)args[0]);
// rv = makeNew(Integer.class, proxy, ptyName, pm);
// }
// aliasFactory.setCurrent(propToPath.get(ptyName));
// return rv;
}else if (isElementAccess(method)){
String ptyName = "_get";
Object rv;
if (propToObj.containsKey(ptyName)){
rv = propToObj.get(ptyName);
}else{
Path<?> parent = aliasFactory.pathForAlias(proxy);
if (parent == null) throw new IllegalArgumentException("No path for " + proxy);
PathMetadata<Integer> pm = PathMetadata.forListAccess((PList<?>)parent, (Integer)args[0]);
Class<?> rvType = (Class<?>) method.getGenericParameterTypes()[0];
rv = makeNew(rvType, proxy, ptyName, pm);
}
aliasFactory.setCurrent(propToPath.get(ptyName));
return rv;
}else{
return methodProxy.invokeSuper(proxy, args);
}
}
// private boolean isElementAccess(Method method) {
// return method.getName().equals("get")
// && method.getParameterTypes().length == 1
// && method.getParameterTypes()[0].equals(int.class);
// }
private Class<?> getFirstTypeParameter(Class<?> cl) {
return (Class<?>)((ParameterizedType) cl.getGenericSuperclass())
.getActualTypeArguments()[0];
}
private boolean isElementAccess(Method method) {
return method.getName().equals("get")
&& method.getParameterTypes().length == 1
&& method.getParameterTypes()[0].equals(int.class);
}
private boolean isSizeAccessor(Method method) {
return method.getName().equals("size")
@ -117,7 +124,7 @@ class PropertyAccessInvocationHandler implements MethodInterceptor{
path = new ExtString(pm);
rv = (T) new String();
} else if (Integer.class.equals(type)) {
} else if (Integer.class.equals(type) || int.class.equals(type)) {
path = new Path.PComparable<Integer>(Integer.class,pm);
rv = (T) new Integer(42);
@ -125,19 +132,19 @@ class PropertyAccessInvocationHandler implements MethodInterceptor{
path = new Path.PComparable<Date>(Date.class,pm);
rv = (T) new Date();
} else if (Long.class.equals(type)) {
} else if (Long.class.equals(type) || long.class.equals(type)) {
path = new Path.PComparable<Long>(Long.class,pm);
rv = (T) new Long(42);
} else if (Short.class.equals(type)) {
} else if (Short.class.equals(type) || short.class.equals(type)) {
path = new Path.PComparable<Short>(Short.class,pm);
rv = (T) new Short((short) 42);
} else if (Double.class.equals(type)) {
} else if (Double.class.equals(type) || double.class.equals(type)) {
path = new Path.PComparable<Double>(Double.class,pm);
rv = (T) new Double(42);
} else if (Float.class.equals(type)) {
} else if (Float.class.equals(type) || float.class.equals(type)) {
path = new Path.PComparable<Float>(Float.class,pm);
rv = (T) new Float(42);
@ -149,7 +156,7 @@ class PropertyAccessInvocationHandler implements MethodInterceptor{
path = new Path.PComparable<BigDecimal>(BigDecimal.class,pm);
rv = (T) new BigDecimal(42);
} else if (Boolean.class.equals(type)) {
} else if (Boolean.class.equals(type) || boolean.class.equals(type)) {
path = new Path.PComparable<Boolean>(Boolean.class,pm);
rv = (T) new Boolean(true);

14
querydsl-collections/src/test/java/com/mysema/query/collections/MiniApiTest.java
View File

@ -125,15 +125,21 @@ public class MiniApiTest {
@Test
@Ignore
public void testVariousAlias(){
public void testAlias3(){
// TODO : FIXME
Cat c = alias(Cat.class, "cat");
// 1
from($(c))
.where($(c.getMate().getBirthdate()).after(new Date()))
.iterate($(c)).iterator();
.iterate($(c)).iterator();
}
@Test
@Ignore
public void testAlias4(){
// TODO : FIXME
Cat c = alias(Cat.class, "cat");
// 2
from($(c))
.where($(c.getKittens().get(0).getBodyWeight()).gt(12))
.iterate($(c.getName())).iterator();