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added some more functions

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This commit is contained in:
Timo Westkämper 2008-03-07 17:25:00 +00:00
parent 39129cc070
commit 0890d647ee
3 changed files with 88 additions and 30 deletions
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70
querydsl-hibernate/src/main/java/com/mysema/query/grammar/HqlGrammar.java
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@ -26,22 +26,6 @@ public class HqlGrammar extends Grammar{
return new CountExpr(expr);
}
public static <D extends Comparable<D>> ExprNoEntity<D> distinct(ExprNoEntity<D> left){
return _comparable(OpHql.DISTINCT, left);
}
public static <A> Expr<A> newInstance(Class<A> a, Expr<?>... args){
return new Constructor<A>(a,args);
}
public static <D extends Comparable<D>> ExprComparable<D> sum(Expr<D> left){
return _number(OpHql.SUM, left);
}
public static ExprComparable<Date> sysdate(){
return _comparable(OpHql.SYSDATE);
}
public static ExprComparable<Date> current_date(){
return _comparable(OpHql.CURRENT_DATE);
}
@ -53,7 +37,61 @@ public class HqlGrammar extends Grammar{
public static ExprComparable<Date> current_timestamp(){
return _comparable(OpHql.CURRENT_TIMESTAMP);
}
public static ExprComparable<Date> day(Expr<Date> date){
return _comparable(OpHql.DAY, date);
}
public static <D extends Comparable<D>> ExprNoEntity<D> distinct(ExprNoEntity<D> left){
return _comparable(OpHql.DISTINCT, left);
}
public static ExprComparable<Date> hour(Expr<Date> date){
return _comparable(OpHql.HOUR, date);
}
public static ExprComparable<Integer> maxindex(PathEntityCollection<?> collection) {
return _comparable(OpHql.MAXINDEX, collection);
}
public static ExprComparable<Integer> minindex(PathEntityCollection<?> collection) {
return _comparable(OpHql.MININDEX, collection);
}
public static ExprBoolean isempty(PathEntityCollection<?> collection) {
return _boolean(OpHql.ISEMPTY, collection);
}
public static ExprBoolean isnotempty(PathEntityCollection<?> collection) {
return _boolean(OpHql.ISNOTEMPTY, collection);
}
public static ExprComparable<Date> minute(Expr<Date> date){
return _comparable(OpHql.MINUTE, date);
}
public static ExprComparable<Date> month(Expr<Date> date){
return _comparable(OpHql.MONTH, date);
}
public static <A> Expr<A> newInstance(Class<A> a, Expr<?>... args){
return new Constructor<A>(a,args);
}
public static ExprComparable<Date> second(Expr<Date> date){
return _comparable(OpHql.SECOND, date);
}
public static <D extends Comparable<D>> ExprComparable<D> sum(Expr<D> left){
return _number(OpHql.SUM, left);
}
public static ExprComparable<Date> sysdate(){
return _comparable(OpHql.SYSDATE);
}
public static ExprComparable<Date> year(Expr<Date> date){
return _comparable(OpHql.YEAR, date);
}
public static class Constructor<D> extends Expr<D>{
public final Expr<?>[] args;
public Constructor(Class<D> type, Expr<?>... args){

18
querydsl-hibernate/src/main/java/com/mysema/query/grammar/HqlOps.java
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@ -9,6 +9,8 @@ import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.mysema.query.grammar.Ops.Op;
/**
* Ops provides
*
@ -68,6 +70,12 @@ public class HqlOps extends Ops {
patterns.put(OpHql.CURRENT_DATE, "current_date()");
patterns.put(OpHql.CURRENT_TIME, "current_time()");
patterns.put(OpHql.CURRENT_TIMESTAMP, "current_timestamp()");
patterns.put(OpHql.SECOND, "second(%s)");
patterns.put(OpHql.MINUTE, "minute(%s)");
patterns.put(OpHql.HOUR, "hour(%s)");
patterns.put(OpHql.DAY, "day(%s)");
patterns.put(OpHql.MONTH, "month(%s)");
patterns.put(OpHql.YEAR, "year(%s)");
}
public static String getPattern(Op<?> op){
@ -81,6 +89,16 @@ public class HqlOps extends Ops {
Op<Comparable<?>> DISTINCT = new OpImpl<Comparable<?>>();
Op<Number> SUM = new OpImpl<Number>();
Op<Date> SYSDATE = new OpImpl<Date>();
Op<Date> SECOND = new OpImpl<Date>();
Op<Date> MINUTE = new OpImpl<Date>();
Op<Date> HOUR = new OpImpl<Date>();
Op<Date> DAY = new OpImpl<Date>();
Op<Date> MONTH = new OpImpl<Date>();
Op<Date> YEAR = new OpImpl<Date>();
Op<Object> MAXINDEX = new OpImpl<Object>();
Op<Object> MININDEX = new OpImpl<Object>();
Op<Boolean> ISNOTEMPTY = new OpImpl<Boolean>();
Op<Boolean> ISEMPTY = new OpImpl<Boolean>();
}
}

30
querydsl-hibernate/src/test/java/com/mysema/query/grammar/hql/FeaturesTest.java
View File

@ -11,6 +11,8 @@ import com.mysema.query.grammar.HqlQueryBase;
import com.mysema.query.grammar.HqlSerializer;
import com.mysema.query.grammar.HqlGrammar.Constructor;
import com.mysema.query.grammar.Types.Expr;
import com.mysema.query.grammar.Types.PathEntityCollection;
import com.mysema.query.grammar.hql.domain.Cat;
/**
* FeaturesTest provides
@ -86,13 +88,13 @@ public class FeaturesTest extends HqlQueryBase<FeaturesTest>{
@Test
public void testCollectionOperations(){
// HQL functions that take collection-valued path expressions: size(), minelement(), maxelement(), minindex(), maxindex(), along with the special elements() and indices functions which may be quantified using some, all, exists, any, in.
// size(cat.kittens());
// minelement(cat.kittens());
// maxelement(cat.kittens());
// minindex(cat.kittens());
// maxindex(cat.kittens());
// size(cat.kittens);
// minelement(cat.kittens);
// maxelement(cat.kittens);
minindex(cat.kittens);
maxindex(cat.kittens);
toString("cat.kittens[0]",cat.kittens(0));
toString("cat.kittens[0]",cat.kittens.get(0));
toString("cat.kittens[0]",cat.kittens.get(0));
}
@SuppressWarnings("unchecked")
@ -119,12 +121,12 @@ public class FeaturesTest extends HqlQueryBase<FeaturesTest>{
@Test
public void testDateOperations2(){
// second(...), minute(...), hour(...), day(...), month(...), year(...),
// second(catalog.effectiveDate);
// minute(catalog.effectiveDate);
// hour(catalog.effectiveDate);
// day(catalog.effectiveDate);
// month(catalog.effectiveDate);
// year(catalog.effectiveDate);
second(catalog.effectiveDate);
minute(catalog.effectiveDate);
hour(catalog.effectiveDate);
day(catalog.effectiveDate);
month(catalog.effectiveDate);
year(catalog.effectiveDate);
}
@Test
@ -174,8 +176,8 @@ public class FeaturesTest extends HqlQueryBase<FeaturesTest>{
kitten.bodyWeight.between(10, 20);
kitten.bodyWeight.isnull();
kitten.bodyWeight.isnotnull();
// cat.kittens.isEmpty();
// cat.kittens.isNotEmpty();
isempty(cat.kittens);
isnotempty(cat.kittens);
}
@Test