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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.flink.runtime.checkpoint;

import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable;
import org.apache.flink.runtime.state.CheckpointStorageLocationReference;

import java.io.Serializable;

import static org.apache.flink.util.Preconditions.checkNotNull;

/**
 * Options for performing the checkpoint.
 *
 * 

The {@link CheckpointProperties} are related and cover properties that * are only relevant at the {@link CheckpointCoordinator}. These options are * relevant at the {@link AbstractInvokable} instances running on task managers. */ public class CheckpointOptions implements Serializable { private static final long serialVersionUID = 5010126558083292915L; /** Type of the checkpoint. */ private final CheckpointType checkpointType; /** Target location for the checkpoint. */ private final CheckpointStorageLocationReference targetLocation; public CheckpointOptions( CheckpointType checkpointType, CheckpointStorageLocationReference targetLocation) { this.checkpointType = checkNotNull(checkpointType); this.targetLocation = checkNotNull(targetLocation); } // ------------------------------------------------------------------------ /** * Returns the type of checkpoint to perform. */ public CheckpointType getCheckpointType() { return checkpointType; } /** * Returns the target location for the checkpoint. */ public CheckpointStorageLocationReference getTargetLocation() { return targetLocation; } // ------------------------------------------------------------------------ @Override public int hashCode() { return 31 * targetLocation.hashCode() + checkpointType.hashCode(); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } else if (obj != null && obj.getClass() == CheckpointOptions.class) { final CheckpointOptions that = (CheckpointOptions) obj; return this.checkpointType == that.checkpointType && this.targetLocation.equals(that.targetLocation); } else { return false; } } @Override public String toString() { return "CheckpointOptions: " + checkpointType + " @ " + targetLocation; } // ------------------------------------------------------------------------ // Factory methods // ------------------------------------------------------------------------ private static final CheckpointOptions CHECKPOINT_AT_DEFAULT_LOCATION = new CheckpointOptions(CheckpointType.CHECKPOINT, CheckpointStorageLocationReference.getDefault()); public static CheckpointOptions forCheckpointWithDefaultLocation() { return CHECKPOINT_AT_DEFAULT_LOCATION; } }





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