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/*******************************************************************************
 * ============LICENSE_START====================================================
 * * org.onap.aai
 * * ===========================================================================
 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * * Copyright © 2017 Amdocs
 * * ===========================================================================
 * * 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.
 * * ============LICENSE_END====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/
package com.att.cadi.client;

public class Result<T> {
	public final int code;
	public final T value;
	public final String error;

	private Result(int code, T value, String error) {
		this.code = code;
		this.value = value;
		this.error = error;
	}

	public static<T> Result<T> ok(int code,T t) {
		return new Result<T>(code,t,null);
	}
	
	public static<T> Result<T> err(int code,String body) {
		return new Result<T>(code,null,body);
	}
	
	public boolean isOK() {
		return error==null;
	}
	
	public String toString() {
		StringBuilder sb = new StringBuilder("Code: ");
		sb.append(code);
		if(error!=null) {
			sb.append(" = ");
			sb.append(error);
		}
		return sb.toString();
	}
}