-
Notifications
You must be signed in to change notification settings - Fork 13k
/
AbstractMutableHashTable.java
78 lines (56 loc) · 2.5 KB
/
AbstractMutableHashTable.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/*
* 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
*
* 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.apache.flink.runtime.operators.hash;
import java.io.IOException;
import java.util.List;
import org.apache.flink.api.common.typeutils.TypeComparator;
import org.apache.flink.api.common.typeutils.TypePairComparator;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.core.memory.MemorySegment;
import org.apache.flink.util.MutableObjectIterator;
public abstract class AbstractMutableHashTable<T> {
/**
* The utilities to serialize the build side data types.
*/
protected final TypeSerializer<T> buildSideSerializer;
/**
* The utilities to hash and compare the build side data types.
*/
protected final TypeComparator<T> buildSideComparator;
public AbstractMutableHashTable (TypeSerializer<T> buildSideSerializer, TypeComparator<T> buildSideComparator) {
this.buildSideSerializer = buildSideSerializer;
this.buildSideComparator = buildSideComparator;
}
public TypeSerializer<T> getBuildSideSerializer() {
return this.buildSideSerializer;
}
public TypeComparator<T> getBuildSideComparator() {
return this.buildSideComparator;
}
// ------------- Life-cycle functions -------------
public abstract void open();
public abstract void close();
public abstract void abort();
public abstract List<MemorySegment> getFreeMemory();
// ------------- Modifier -------------
public abstract void insert(T record) throws IOException;
public abstract void insertOrReplaceRecord(T record) throws IOException;
// ------------- Accessors -------------
public abstract MutableObjectIterator<T> getEntryIterator();
public abstract <PT> AbstractHashTableProber<PT, T> getProber(TypeComparator<PT> probeSideComparator, TypePairComparator<PT, T> pairComparator);
}