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added test for comparable entities

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This commit is contained in:
Timo Westkämper 2011-05-22 08:40:44 +00:00
parent 920ee3246e
commit f43b5ecb79
3 changed files with 58 additions and 32 deletions
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65
querydsl-core/src/main/java/com/mysema/query/alias/Alias.java
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@ -20,24 +20,10 @@ import org.apache.commons.lang.StringUtils;
import com.mysema.query.types.EntityPath;
import com.mysema.query.types.Expression;
import com.mysema.query.types.Path;
import com.mysema.query.types.PathMetadataFactory;
import com.mysema.query.types.expr.SimpleExpression;
import com.mysema.query.types.path.ArrayPath;
import com.mysema.query.types.path.BooleanPath;
import com.mysema.query.types.path.CollectionPath;
import com.mysema.query.types.path.ComparablePath;
import com.mysema.query.types.path.DatePath;
import com.mysema.query.types.path.DateTimePath;
import com.mysema.query.types.path.EntityPathBase;
import com.mysema.query.types.path.EnumPath;
import com.mysema.query.types.path.ListPath;
import com.mysema.query.types.path.MapPath;
import com.mysema.query.types.path.NumberPath;
import com.mysema.query.types.path.PathBuilder;
import com.mysema.query.types.path.SetPath;
import com.mysema.query.types.path.SimplePath;
import com.mysema.query.types.path.StringPath;
import com.mysema.query.types.path.TimePath;
import com.mysema.query.types.path.*;
/**
* Alias provides alias factory methods
@ -92,22 +78,8 @@ public final class Alias {
}
public static <D extends Comparable<?>> ComparablePath<D> $(D arg) {
return aliasFactory.<ComparablePath<D>> getCurrentAndReset();
}
@SuppressWarnings("unchecked")
@Nullable
public static <D> EntityPathBase<D> $(D arg) {
EntityPathBase<D> rv = aliasFactory.<EntityPathBase<D>> getCurrentAndReset();
if (rv != null) {
return rv;
}else if (arg instanceof EntityPath<?>){
return (EntityPathBase)arg;
} else if (arg instanceof ManagedObject) {
return (EntityPathBase<D>) ((ManagedObject) arg).__mappedPath();
} else {
return null;
}
// return aliasFactory.<ComparablePath<D>> getCurrentAndReset();
return Alias.<D, ComparablePath<D>>getPath(arg);
}
public static NumberPath<Double> $(Double arg) {
@ -161,6 +133,35 @@ public final class Alias {
public static DateTimePath<Timestamp> $(Timestamp arg) {
return aliasFactory.<DateTimePath<Timestamp>> getCurrentAndReset();
}
@SuppressWarnings("unchecked")
@Nullable
public static <D> EntityPathBase<D> $(D arg) {
EntityPathBase<D> rv = aliasFactory.<EntityPathBase<D>> getCurrentAndReset();
if (rv != null) {
return rv;
}else if (arg instanceof EntityPath<?>){
return (EntityPathBase)arg;
} else if (arg instanceof ManagedObject) {
return (EntityPathBase<D>) ((ManagedObject) arg).__mappedPath();
} else {
return null;
}
}
private static <D, P extends Path<D>> P getPath(D arg) {
P rv = aliasFactory.<P>getCurrentAndReset();
if (rv != null) {
return rv;
}else if (arg instanceof Path<?>){
return (P)arg;
} else if (arg instanceof ManagedObject) {
return (P) ((ManagedObject) arg).__mappedPath();
} else {
return null;
}
}
//CHECKSTYLE:ON
public static <A> A alias(Class<A> cl) {

11
querydsl-core/src/test/java/com/mysema/query/alias/AliasTest.java
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@ -8,8 +8,11 @@ package com.mysema.query.alias;
import static com.mysema.query.alias.Alias.$;
import static org.junit.Assert.assertEquals;
import org.junit.Ignore;
import org.junit.Test;
import com.mysema.query.types.Path;
public class AliasTest {
@Test
@ -18,6 +21,14 @@ public class AliasTest {
Alias.alias(DomainType.class, $(domainType.getCollection()).any());
}
@Test
@Ignore // FIXME
public void ComparableEntity() {
ComparableEntity entity = Alias.alias(ComparableEntity.class);
Path<ComparableEntity> path = $(entity);
assertEquals(ComparableEntity.class, path.getType());
}
@Test
public void BasicUsage(){
DomainType domainType = Alias.alias(DomainType.class);

14
querydsl-core/src/test/java/com/mysema/query/alias/ComparableEntity.java Normal file
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@ -0,0 +1,14 @@
package com.mysema.query.alias;
public class ComparableEntity implements Comparable<ComparableEntity>{
@Override
public int compareTo(ComparableEntity o) {
return 0;
}
public String getProperty(){
return "";
}
}