/*
 * Copyright 2020-2021 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
 *
 *      https://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.spel;

import reactor.core.publisher.Mono;

import org.springframework.expression.EvaluationContext;

Provides a way to access a centrally defined potentially shared EvaluationContext. 
Author:
Mark Paluch
Since:
2.4/**
 * Provides a way to access a centrally defined potentially shared {@link EvaluationContext}.
 *
 * @author Mark Paluch
 * @since 2.4
 */
public interface ReactiveEvaluationContextProvider extends EvaluationContextProvider {

	
Return a EvaluationContext built using the given parameter values. 
Params:
rootObject – the root object to set in the EvaluationContext.
Returns:
a mono that emits exactly one EvaluationContext./**
	 * Return a {@link EvaluationContext} built using the given parameter values.
	 *
	 * @param rootObject the root object to set in the {@link EvaluationContext}.
	 * @return a mono that emits exactly one {@link EvaluationContext}.
	 */
	Mono<? extends EvaluationContext> getEvaluationContextLater(Object rootObject);

	
Return a tailored EvaluationContext built using the given parameter values and considering expression dependencies. The returned EvaluationContext may contain a reduced visibility of methods and properties/fields according to the required 
expression dependencies. 
Params:
rootObject – the root object to set in the EvaluationContext.
dependencies – the requested expression dependencies to be available.
Returns:
a mono that emits exactly one EvaluationContext.
Since:
2.4/**
	 * Return a tailored {@link EvaluationContext} built using the given parameter values and considering
	 * {@link ExpressionDependencies expression dependencies}. The returned {@link EvaluationContext} may contain a
	 * reduced visibility of methods and properties/fields according to the required {@link ExpressionDependencies
	 * expression dependencies}.
	 *
	 * @param rootObject the root object to set in the {@link EvaluationContext}.
	 * @param dependencies the requested expression dependencies to be available.
	 * @return a mono that emits exactly one {@link EvaluationContext}.
	 * @since 2.4
	 */
	default Mono<? extends EvaluationContext> getEvaluationContextLater(Object rootObject,
			ExpressionDependencies dependencies) {
		return getEvaluationContextLater(rootObject);
	}
}