Example usage for com.google.common.reflect TypeToken getSupertype

Introduction

In this page you can find the example usage for com.google.common.reflect TypeToken getSupertype.

Prototype

public final TypeToken<? super T> getSupertype(Class<? super T> superclass) 

Source Link

Document

Returns the generic form of superclass .

Usage

From source file:com.google.caliper.json.ImmutableMultimapTypeAdapterFactory.java

private static <K, V> TypeToken<Map<K, Set<V>>> getMapOfSetsToken(TypeToken<SetMultimap<K, V>> from) {
    ParameterizedType rawType = (ParameterizedType) from.getSupertype(SetMultimap.class).getType();
    @SuppressWarnings("unchecked") // key type is K
    TypeToken<K> keyType = (TypeToken<K>) TypeToken.of(rawType.getActualTypeArguments()[0]);
    @SuppressWarnings("unchecked") // value type is V
    TypeToken<V> valueType = (TypeToken<V>) TypeToken.of(rawType.getActualTypeArguments()[1]);
    return new TypeToken<Map<K, Set<V>>>() {
    }.where(new TypeParameter<K>() {
    }, keyType).where(new TypeParameter<V>() {
    }, valueType);// w  w  w .  j a v a 2s  .  co  m
}

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From source file:com.google.caliper.json.ImmutableMultimapTypeAdapterFactory.java

private static <K, V> TypeToken<Map<K, List<V>>> getMapOfListsToken(TypeToken<ListMultimap<K, V>> from) {
    ParameterizedType rawType = (ParameterizedType) from.getSupertype(ListMultimap.class).getType();
    @SuppressWarnings("unchecked") // key type is K
    TypeToken<K> keyType = (TypeToken<K>) TypeToken.of(rawType.getActualTypeArguments()[0]);
    @SuppressWarnings("unchecked") // value type is V
    TypeToken<V> valueType = (TypeToken<V>) TypeToken.of(rawType.getActualTypeArguments()[1]);
    return new TypeToken<Map<K, List<V>>>() {
    }.where(new TypeParameter<K>() {
    }, keyType).where(new TypeParameter<V>() {
    }, valueType);//from  ww w .ja v  a2s . com
}

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From source file:org.gradle.api.internal.tasks.properties.PropertyValidationAccess.java

private static <T> TypeToken<?> extractNestedType(TypeToken<T> beanType,
        Class<? super T> parameterizedSuperClass, int typeParameterIndex) {
    ParameterizedType type = (ParameterizedType) beanType.getSupertype(parameterizedSuperClass).getType();
    return TypeToken.of(type.getActualTypeArguments()[typeParameterIndex]);
}

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From source file:org.shaf.core.process.handle.job.GenericConfig.java

/**
 * Returns the type, which represents the {@link DistributedProcess}
 * interface, implemented by the specified process class.
 * /*from ww  w . ja  va 2s.c o  m*/
 * @param pcls
 *            the process class which interface needs to be identified.
 * @return the identified interface.
 * @throws JobConfigException
 *             if the {@link DistributedProcess} interface is not
 *             identified.
 */
private final Type getDistributedProcessInterface(
        final Class<? extends DistributedProcess<?, ?, ?, ?, ?, ?>> pcls) throws JobConfigException {
    TypeToken<? extends DistributedProcess<?, ?, ?, ?, ?, ?>> token = TypeToken.of(pcls);
    return token.getSupertype(DistributedProcess.class).getType();
    /*
    Type[] types = pcls.getGenericInterfaces();
    for (Type type : types) {
            
       if (type instanceof ParameterizedType) {
    if (((ParameterizedType) type).getRawType() == DistributedProcess.class) {
       return type;
    }
       }
    }
    throw new JobConfigException(
    "The DistributedProcess interface is not identified.");*/
}

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