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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// Copyright 2006, 2008, 2009 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry5.model;
import org.apache.tapestry5.annotations.Parameter;
/**
* Model for a formal parameter of a component.
*
* @see Parameter
*/
public interface ParameterModel
{
/**
* The name of the parameter.
*/
String getName();
/**
* If true, the parameter is required.
*/
boolean isRequired();
/**
* If true, then no check is needed. If false, then the bound value must not be null.
*/
boolean isAllowNull();
/**
* The default binding prefix for the parameter, usually "prop".
*/
String getDefaultBindingPrefix();
/**
* @return true if the bound-value is cached in the component during rendering.
* @since 5.2.0.0
*/
boolean isCached();
}