AdaptableInterval.java
/*
* Licensed to the Hipparchus project under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The Hipparchus project licenses this file to You 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.hipparchus.ode.events;
import org.hipparchus.ode.ODEStateAndDerivative;
/** This interface represents an event checking interval that depends on state.
*
* @see ODEEventDetector
* @since 3.0
*
*/
@FunctionalInterface
public interface AdaptableInterval {
/**
* Get the current value of maximal time interval between events handler checks.
*
* @param state current state
* @param isForward true if propagation is forward in independent variable, false otherwise
* @return current value of maximal time interval between events handler checks
*/
double currentInterval(ODEStateAndDerivative state, boolean isForward);
/**
* Create a constant interval from the input.
* @param maxCheck maximum check value
* @return constant interval
* @since 4.0
*/
static AdaptableInterval of(final double maxCheck) {
return (state, isForward) -> maxCheck;
}
}