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Spring Framework example source code file (ConstructorArgumentEntry.java)

This example Spring Framework source code file (ConstructorArgumentEntry.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

constructor, constructor, constructor-arg, constructor-arg, constructorargumententry, constructorargumententry, string, string

The Spring Framework ConstructorArgumentEntry.java source code

 * Copyright 2002-2007 the original author or authors.
 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.springframework.beans.factory.parsing;

import org.springframework.util.Assert;

 * {@link ParseState} entry representing a (possibly indexed)
 * constructor argument.
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @since 2.0
public class ConstructorArgumentEntry implements ParseState.Entry {

	private final int index;

	 * Creates a new instance of the {@link ConstructorArgumentEntry} class
	 * representing a constructor argument with a (currently) unknown index.
	public ConstructorArgumentEntry() {
		this.index = -1;

	 * Creates a new instance of the {@link ConstructorArgumentEntry} class
	 * representing a constructor argument at the supplied <code>index.
	 * @param index the index of the constructor argument
	 * @throws IllegalArgumentException if the supplied <code>index
	 * is less than zero
	public ConstructorArgumentEntry(int index) {
		Assert.isTrue(index >= 0, "Constructor argument index must be greater than or equal to zero");
		this.index = index;

	public String toString() {
		return "Constructor-arg" + (this.index >= 0 ? " #" + this.index : "");


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