-
Notifications
You must be signed in to change notification settings - Fork 587
/
BiMapCollectProcedure.java
54 lines (45 loc) · 1.91 KB
/
BiMapCollectProcedure.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
/*
* Copyright (c) 2019 Xebialabs.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.impl.block.procedure;
import org.eclipse.collections.api.bimap.MutableBiMap;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.procedure.Procedure;
/**
* BiMapCollectProcedure uses an Function to calculate the key for an object and puts the object with the key
* into the specified BiMap.
*/
public final class BiMapCollectProcedure<T, K, V> implements Procedure<T>
{
private static final long serialVersionUID = 1L;
private final MutableBiMap<K, V> biMap;
private final Function<? super T, ? extends K> keyFunction;
private final Function<? super T, ? extends V> valueFunction;
public BiMapCollectProcedure(MutableBiMap<K, V> newMap, Function<? super T, ? extends K> newKeyFunction, Function<? super T, ? extends V> newValueFunction)
{
this.biMap = newMap;
this.keyFunction = newKeyFunction;
this.valueFunction = newValueFunction;
}
@Override
public void value(T object)
{
K key = this.keyFunction.valueOf(object);
V value = this.valueFunction.valueOf(object);
if (this.biMap.containsKey(key))
{
throw new IllegalArgumentException("Key " + key + " already exists in map!");
}
if (this.biMap.inverse().containsKey(value))
{
throw new IllegalArgumentException("Value " + value + " already exists in map!");
}
this.biMap.put(key, value);
}
}