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42 changes: 42 additions & 0 deletions
42
...-runtime/common/deployment/src/main/java/xyz/block/ftl/deployment/TypeAliasBuildItem.java
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package xyz.block.ftl.deployment; | ||
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import org.jboss.jandex.Type; | ||
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import io.quarkus.builder.item.MultiBuildItem; | ||
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public final class TypeAliasBuildItem extends MultiBuildItem { | ||
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final String name; | ||
final String module; | ||
final Type localType; | ||
final Type serializedType; | ||
final boolean exported; | ||
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public TypeAliasBuildItem(String name, String module, Type localType, Type serializedType, boolean exported) { | ||
this.name = name; | ||
this.module = module; | ||
this.localType = localType; | ||
this.serializedType = serializedType; | ||
this.exported = exported; | ||
} | ||
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public String getName() { | ||
return name; | ||
} | ||
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public String getModule() { | ||
return module; | ||
} | ||
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public Type getLocalType() { | ||
return localType; | ||
} | ||
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public Type getSerializedType() { | ||
return serializedType; | ||
} | ||
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public boolean isExported() { | ||
return exported; | ||
} | ||
} |
81 changes: 81 additions & 0 deletions
81
...-runtime/common/deployment/src/main/java/xyz/block/ftl/deployment/TypeAliasProcessor.java
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package xyz.block.ftl.deployment; | ||
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import org.jboss.jandex.Type; | ||
import org.jboss.jandex.TypeVariable; | ||
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import io.quarkus.arc.deployment.AdditionalBeanBuildItem; | ||
import io.quarkus.deployment.annotations.BuildProducer; | ||
import io.quarkus.deployment.annotations.BuildStep; | ||
import io.quarkus.deployment.builditem.CombinedIndexBuildItem; | ||
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public class TypeAliasProcessor { | ||
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@BuildStep | ||
public void processTypeAlias(CombinedIndexBuildItem index, | ||
BuildProducer<SchemaContributorBuildItem> schemaContributorBuildItemBuildProducer, | ||
BuildProducer<AdditionalBeanBuildItem> additionalBeanBuildItem, | ||
BuildProducer<TypeAliasBuildItem> typeAliasBuildItemBuildProducer) { | ||
var beans = new AdditionalBeanBuildItem.Builder().setUnremovable(); | ||
for (var mapper : index.getIndex().getAnnotations(FTLDotNames.TYPE_ALIAS)) { | ||
boolean exported = mapper.target().hasAnnotation(FTLDotNames.EXPORT); | ||
// This may or may not be the actual mapper, it may be a subclass | ||
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var mapperClass = mapper.target().asClass(); | ||
var actualMapper = mapperClass; | ||
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Type t = null; | ||
Type s = null; | ||
if (mapperClass.isInterface()) { | ||
for (var i : mapperClass.interfaceTypes()) { | ||
if (i.name().equals(FTLDotNames.TYPE_ALIAS_MAPPER)) { | ||
t = i.asParameterizedType().arguments().get(0); | ||
s = i.asParameterizedType().arguments().get(1); | ||
break; | ||
} | ||
} | ||
var implementations = index.getComputingIndex().getAllKnownImplementors(mapperClass.name()); | ||
if (implementations.isEmpty()) { | ||
continue; | ||
} | ||
if (implementations.size() > 1) { | ||
throw new RuntimeException( | ||
"Multiple implementations of " + mapperClass.name() + " found: " + implementations); | ||
} | ||
actualMapper = implementations.iterator().next(); | ||
} | ||
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//TODO: this is a bit hacky and won't work for complex heirachies | ||
// it is enough to get us going through | ||
for (var i : actualMapper.interfaceTypes()) { | ||
if (i.name().equals(FTLDotNames.TYPE_ALIAS_MAPPER)) { | ||
t = i.asParameterizedType().arguments().get(0); | ||
s = i.asParameterizedType().arguments().get(1); | ||
break; | ||
} else if (i.name().equals(mapperClass.name())) { | ||
if (t instanceof TypeVariable) { | ||
t = i.asParameterizedType().arguments().get(0); | ||
} | ||
if (s instanceof TypeVariable) { | ||
s = i.asParameterizedType().arguments().get(1); | ||
} | ||
break; | ||
} | ||
} | ||
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beans.addBeanClass(actualMapper.name().toString()); | ||
var finalT = t; | ||
var finalS = s; | ||
String module = mapper.value("module") == null ? "" : mapper.value("module").asString(); | ||
String name = mapper.value("name").asString(); | ||
typeAliasBuildItemBuildProducer.produce(new TypeAliasBuildItem(name, module, t, s, exported)); | ||
if (module.isEmpty()) { | ||
schemaContributorBuildItemBuildProducer.produce(new SchemaContributorBuildItem(moduleBuilder -> moduleBuilder | ||
.registerTypeAlias(name, finalT, finalS, exported))); | ||
} | ||
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} | ||
additionalBeanBuildItem.produce(beans.build()); | ||
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} | ||
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} |
7 changes: 7 additions & 0 deletions
7
...runtime/ftl-runtime/common/deployment/src/main/java/xyz/block/ftl/deployment/TypeKey.java
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package xyz.block.ftl.deployment; | ||
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import java.util.List; | ||
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record TypeKey(String name, List<String> typeParams) { | ||
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} |
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