com.sun.codemodel.JClass.getTypeParameters()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中com.sun.codemodel.JClass.getTypeParameters()方法的一些代码示例，展示了JClass.getTypeParameters()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JClass.getTypeParameters()方法的具体详情如下：
包路径：com.sun.codemodel.JClass
类名称：JClass
方法名：getTypeParameters

JClass.getTypeParameters介绍

[英]If this class is parameterized, return the type parameter of the given index.
[中]如果此类已参数化，则返回给定索引的类型参数。

代码示例

代码示例来源：origin: joelittlejohn/jsonschema2pojo

JClass listGenericType = ((JClass) fieldType).getTypeParameters().get(0);

代码示例来源：origin: joelittlejohn/jsonschema2pojo

JClass setGenericType = ((JClass) fieldType).getTypeParameters().get(0);

代码示例来源：origin: joelittlejohn/jsonschema2pojo

private JMethod addPublicSetMethod(JDefinedClass jclass, JMethod internalSetMethod) {
  JMethod method = jclass.method(PUBLIC, jclass.owner().VOID, SETTER_NAME);
  JVar nameParam = method.param(String.class, "name");
  JVar valueParam = method.param(Object.class, "value");
  JBlock body = method.body();
  JBlock notFound = body._if(JOp.not(invoke(internalSetMethod).arg(nameParam).arg(valueParam)))._then();
  // if we have additional properties, then put value.
  JMethod getAdditionalProperties = jclass.getMethod("getAdditionalProperties", new JType[] {});
  if (getAdditionalProperties != null) {
    JType additionalPropertiesType = ((JClass) (getAdditionalProperties.type())).getTypeParameters().get(1);
    notFound.add(invoke(getAdditionalProperties).invoke("put").arg(nameParam)
        .arg(cast(additionalPropertiesType, valueParam)));
  }
  // else throw exception.
  else {
    notFound._throw(illegalArgumentInvocation(jclass, nameParam));
  }
  return method;
}

代码示例来源：origin: joelittlejohn/jsonschema2pojo

private JMethod addPublicWithMethod(JDefinedClass jclass, JMethod internalSetMethod) {
  JMethod method = jclass.method(PUBLIC, jclass, BUILDER_NAME);
  JVar nameParam = method.param(String.class, "name");
  JVar valueParam = method.param(Object.class, "value");
  JBlock body = method.body();
  JBlock notFound = body._if(JOp.not(invoke(internalSetMethod).arg(nameParam).arg(valueParam)))._then();
  // if we have additional properties, then put value.
  JMethod getAdditionalProperties = jclass.getMethod("getAdditionalProperties", new JType[] {});
  if (getAdditionalProperties != null) {
    JType additionalPropertiesType = ((JClass) (getAdditionalProperties.type())).getTypeParameters().get(1);
    notFound.add(invoke(getAdditionalProperties).invoke("put").arg(nameParam)
        .arg(cast(additionalPropertiesType, valueParam)));
  }
  // else throw exception.
  else {
    notFound._throw(illegalArgumentInvocation(jclass, nameParam));
  }
  body._return(_this());
  return method;
}

代码示例来源：origin: com.github.jaxb-xew-plugin/jaxb-xew-plugin

/**
 * Returns <code>true</code> of the given <code>type</code> is {@link JClass} and contains <code>classToCheck</code>
 * in the list of parametrisations.
 */
public static boolean isListedAsParametrisation(JClass classToCheck, JType type) {
  return type instanceof JClass && ((JClass) type).getTypeParameters().contains(classToCheck);
}

代码示例来源：origin: dmak/jaxb-xew-plugin

/**
 * Returns <code>true</code> of the given <code>type</code> is {@link JClass} and contains <code>classToCheck</code>
 * in the list of parametrisations.
 */
public static boolean isListedAsParametrisation(JClass classToCheck, JType type) {
  return type instanceof JClass && ((JClass) type).getTypeParameters().contains(classToCheck);
}

代码示例来源：origin: jpmml/jpmml

static
  public JType getElementType(JType collectionType){
    JClass collectionClazz = (JClass)collectionType;

    List<JClass> elementTypes = collectionClazz.getTypeParameters();

    return elementTypes.get(0);
  }
}

代码示例来源：origin: jpmml/jpmml-model

static
  public JType getElementType(JType collectionType){
    JClass collectionClazz = (JClass)collectionType;

    List<JClass> elementTypes = collectionClazz.getTypeParameters();
    if(elementTypes.size() != 1){
      throw new IllegalArgumentException();
    }

    return elementTypes.get(0);
  }
}

代码示例来源：origin: com.cedarsoft.commons/codegen

@Nonnull
public static JClass getCollectionParam( @Nonnull JClass type ) {
 if ( !isCollectionType( type ) ) {
  throw new IllegalArgumentException( type + " is not a collection type" );
 }
 List<JClass> params = type.getTypeParameters();
 if ( params.size() != 1 ) {
  throw new IllegalArgumentException( "Invalid type parameters cound for " + type );
 }
 return params.get( 0 );
}

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.jaxb-xjc

public NType getTypeArgument(NType nt, int i) {
  if (nt instanceof EagerNType) {
    EagerNType ent = (EagerNType) nt;
    return create(Utils.REFLECTION_NAVIGATOR.getTypeArgument(ent.t,i));
  }
  if (nt instanceof NClassByJClass) {
    NClassByJClass nnt = (NClassByJClass) nt;
    return ref(nnt.clazz.getTypeParameters().get(i));
  }
  throw new UnsupportedOperationException();
}

代码示例来源：origin: sun-jaxb/jaxb-xjc

public NType getTypeArgument(NType nt, int i) {
  if (nt instanceof EagerNType) {
    EagerNType ent = (EagerNType) nt;
    return create(REFLECTION.getTypeArgument(ent.t,i));
  }
  if (nt instanceof NClassByJClass) {
    NClassByJClass nnt = (NClassByJClass) nt;
    return ref(nnt.clazz.getTypeParameters().get(i));
  }
  throw new UnsupportedOperationException();
}

代码示例来源：origin: org.andromda.thirdparty.jaxb2_commons/jaxb-xjc

public NType getTypeArgument(NType nt, int i) {
  if (nt instanceof EagerNType) {
    EagerNType ent = (EagerNType) nt;
    return create(REFLECTION.getTypeArgument(ent.t,i));
  }
  if (nt instanceof NClassByJClass) {
    NClassByJClass nnt = (NClassByJClass) nt;
    return ref(nnt.clazz.getTypeParameters().get(i));
  }
  throw new UnsupportedOperationException();
}

代码示例来源：origin: org.glassfish.metro/webservices-tools

public NType getTypeArgument(NType nt, int i) {
  if (nt instanceof EagerNType) {
    EagerNType ent = (EagerNType) nt;
    return create(Utils.REFLECTION_NAVIGATOR.getTypeArgument(ent.t,i));
  }
  if (nt instanceof NClassByJClass) {
    NClassByJClass nnt = (NClassByJClass) nt;
    return ref(nnt.clazz.getTypeParameters().get(i));
  }
  throw new UnsupportedOperationException();
}

代码示例来源：origin: Evolveum/midpoint

private JType getContentType(JFieldVar field) {
  boolean multi = isList(field.type());
  JType valueClass;
  if (multi) {
    valueClass = ((JClass) field.type()).getTypeParameters().get(0);
  } else {
    valueClass = field.type();
  }
  return valueClass;
}

代码示例来源：origin: Evolveum/midpoint

private boolean isFieldTypeContainer(JType type, ClassOutline classOutline) {
  if (type instanceof JDefinedClass) {
    return isContainer((JDefinedClass) type, classOutline.parent());
  } else if (isList(type)) {
    JClass clazz = (JClass) type;
    return isFieldTypeContainer(clazz.getTypeParameters().get(0), classOutline);
  }
  return false;
}

代码示例来源：origin: mklemm/jaxb2-rich-contract-plugin

public void immutableInit(final PluginContext pluginContext, final JBlock body, final JExpression instanceRef, final JFieldVar declaredField) {
  if(!this.fake) {
    body.assign(instanceRef.ref(getImmutableFieldName(declaredField)), PluginUtil.nullSafe(declaredField, generateImmutableListInstantiation(pluginContext, instanceRef.ref(declaredField), ((JClass)declaredField.type()).getTypeParameters().get(0))));
  }
}

代码示例来源：origin: Evolveum/midpoint

private void createFieldReferenceCreateItemBody(JFieldVar field, JMethod method) {
  JClass type = ((JClass) field.type()).getTypeParameters().get(0);
  JBlock body = method.body();
  JExpression initExpr;
  initExpr = constructorExpression(method, type);
  JVar decl = body.decl(type, field.name(), initExpr);
  JInvocation invocation = body.invoke(decl, METHOD_SETUP_REFERENCE_VALUE);
  invocation.arg(method.listParams()[0]);
  body._return(decl);
}

代码示例来源：origin: Evolveum/midpoint

private void createFieldContainerCreateItemBody(JFieldVar field, JMethod method) {
  JClass list = (JClass) field.type();
  JClass listType = list.getTypeParameters().get(0);
  JBlock body = method.body();
  JVar decl = body.decl(listType, field.name(), constructorExpression(method, listType));
  JInvocation invocation = body.invoke(decl, METHOD_SETUP_CONTAINER_VALUE);
  invocation.arg(method.listParams()[0]);
  body._return(decl);
}

代码示例来源：origin: mklemm/jaxb2-rich-contract-plugin

public static JType getElementType(final FieldOutline fieldOutline) {
  final JFieldVar definedField = PluginUtil.getDeclaredField(fieldOutline);
  if (definedField != null) {
    if (fieldOutline.getPropertyInfo().isCollection()) {
      return definedField.type().isArray() ? definedField.type().elementType() : ((JClass) definedField.type()).getTypeParameters().get(0);
    } else {
      return definedField.type();
    }
  } else {
    return null;
  }
}

代码示例来源：origin: Evolveum/midpoint

private void createFieldReferenceUseCreateItemBody(JFieldVar field, JMethod method) {
  JClass type = ((JClass) field.type()).getTypeParameters().get(0);
  JBlock body = method.body();
  JExpression initExpr;
  initExpr = constructorExpression(method, type);
  JVar decl = body.decl(type, field.name(), initExpr);
  JInvocation invocation = body.invoke(decl, METHOD_SETUP_CONTAINER);
  invocation.arg(JExpr.invoke(method.listParams()[0], "getObject"));
  body._return(decl);
}

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