templates.thrift.client.perstruct.bean.decorator.class.vm Maven / Gradle / Ivy

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#parse("${include}/header.include.vm")
#parse("${include}/generic.include.vm")
#parse("thrift/include/client.struct.decorator.include.vm")
#if(!$sourceinfo.bean)
#set($codewriter.saveCurrentFile = false)
#stop
#end
#set ( $baseClass = $sourceinfo.baseClass)
#set ( $className ="${baseClass.simpleName}" )
#set ( $fields         = $TOOL.sortByName($sourceinfo.getFieldDescriptors()) )
#set ( $pkg = ${sourceinfo.decoratorPackage})
$codewriter.setCurrentJavaFilename("$pkg", "${className}.java")
package $pkg;
#outputImports()
import com.facebook.swift.codec.ThriftStruct;
import com.facebook.swift.codec.ThriftField;
import com.facebook.swift.codec.ThriftField.Requiredness;
#if ($sourceinfo.needTransformer)
import com.gitee.l0km.xthrift.thrift.TypeTransformer;
#end
/**
 * decorator pattern 装饰者模式client端代理{@link #typeName(${baseClass})}

 * 代理对象必须有默认构造方法,必须是普通类型,不可以有@ThriftStruct注释

 * 转发所有{@link #typeName(${baseClass})}get/set方法到{@link ${esc.hash}delegate()}指定的实例,

 * $GENERAED_BY

 * @author guyadong
 *
 */
@ThriftStruct
public final class ${className} implements ThriftDecorator<#typeName(${baseClass})> {
    private final #typeName(${baseClass}) delegate;
    
    public ${className}(){
        this(new #typeName(${baseClass})());
    }
    public ${className}(#typeName(${baseClass}) delegate) {
        if(null == delegate){
            throw new NullPointerException("delegate is null");
        }
        // 检查被装饰类是否有@ThriftStruct注释
        if(delegate.getClass().isAnnotationPresent(ThriftStruct.class)){
            throw new IllegalArgumentException(
                String.format("NOT ALLOW %s have @ThriftStruct annotation",delegate.getClass().getName()));
        }
        this.delegate = delegate;
    }

    /**
     * @return 返回被装饰的{@link #typeName(${baseClass})}实例
     */
    @Override
    public #typeName(${baseClass}) delegate() {
        return delegate;
    }
    @Override
    public int hashCode() {
        return delegate().hashCode();
    }
    @Override
    public boolean equals(Object obj) {
        return delegate().equals(obj);
    }
    @Override
    public String toString() {
        return delegate().toString();
    }
#foreach ($field in $fields)
#set($propertyType = $field.propertyType)
#if($propertyType.primitive)
#set ($requireness = 'Requiredness.REQUIRED' )
#else
#set ($requireness = 'Requiredness.OPTIONAL' )
#end
    @ThriftField(value = $velocityCount,requiredness=$requireness)
#set ($readMethod = $field.readMethod)
    public $sourceinfo.toClientThriftType($readMethod.genericReturnType) ${readMethod.name}(){
        return #returnValue($readMethod.genericReturnType,"delegate().${readMethod.name}()");
    }
    
    @ThriftField
#set ($writeMethod = $field.writeMethod)
    public void ${writeMethod.name}($sourceinfo.toClientThriftType($readMethod.genericReturnType) value){
        delegate().${writeMethod.name}(#setValue($readMethod.genericReturnType,'value'));
    }

#end##foreach
}