/*
* Copyright 2013 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,
* 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.springframework.data.redis.connection;
import org.springframework.core.convert.converter.Converter;
/**
* The result of an asynchronous operation
*
* @author Jennifer Hickey
* @param <T> The data type of the object that holds the future result (usually of type Future)
*/
abstract public class FutureResult<T> {
protected T resultHolder;
protected boolean status = false;
@SuppressWarnings("rawtypes") protected Converter converter;
public FutureResult(T resultHolder) {
this.resultHolder = resultHolder;
}
@SuppressWarnings("rawtypes")
public FutureResult(T resultHolder, Converter converter) {
this.resultHolder = resultHolder;
this.converter = converter;
}
public T getResultHolder() {
return resultHolder;
}
/**
* Converts the given result if a converter is specified, else returns the result
*
* @param result The result to convert
* @return The converted result
*/
@SuppressWarnings("unchecked")
public Object convert(Object result) {
if (converter != null) {
return converter.convert(result);
}
return result;
}
@SuppressWarnings("rawtypes")
public Converter getConverter() {
return converter;
}
/**
* Indicates if this result is the status of an operation. Typically status results will be discarded on conversion.
*
* @return true if this is a status result (i.e. OK)
*/
public boolean isStatus() {
return status;
}
/**
* Indicates if this result is the status of an operation. Typically status results will be discarded on conversion.
*/
public void setStatus(boolean status) {
this.status = status;
}
/**
* @return The result of the operation
*/
abstract public Object get();
}