com.hazelcast.jet.impl.util.AsyncSnapshotWriter Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.jet.impl.util;
import com.hazelcast.nio.serialization.Data;
import javax.annotation.CheckReturnValue;
import java.util.Map.Entry;
public interface AsyncSnapshotWriter {
void setCurrentMap(String mapName);
@CheckReturnValue
boolean offer(Entry entry);
@CheckReturnValue
boolean flush();
boolean hasPendingAsyncOps();
/**
* @return any error occurred during writing to underlying map. Error is
* reported only once, next call will return {@code null} unless another
* error happens.
*/
Throwable getError();
boolean isEmpty();
}