/*
 * Copyright 2014-2018 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 de.codecentric.boot.admin.server.notify.filter;

import de.codecentric.boot.admin.server.domain.entities.Instance;
import de.codecentric.boot.admin.server.domain.events.InstanceEvent;

import java.time.Instant;

public abstract class ExpiringNotificationFilter extends AbstractNotificationFilter {
    private final Instant expiry;

    public ExpiringNotificationFilter(Instant expiry) {
        this.expiry = expiry;
    }

    public boolean isExpired() {
        return expiry != null && expiry.isBefore(Instant.now());
    }

    @Override
    public boolean filter(InstanceEvent event, Instance instance) {
        return !isExpired() && doFilter(event, instance);
    }

    protected abstract boolean doFilter(InstanceEvent event, Instance instance);

    public Instant getExpiry() {
        return expiry;
    }
}
