1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.jexl3.internal;
18
19 import org.apache.commons.jexl3.JexlArithmetic;
20 import java.util.HashSet;
21 import java.util.Set;
22
23 /**
24 * Helper class to create set literals.
25 */
26 public class SetBuilder implements JexlArithmetic.SetBuilder {
27 /** The set being created. */
28 protected final Set<Object> set;
29
30 /**
31 * Creates a new builder.
32 * @param size the expected set size
33 */
34 public SetBuilder(final int size) {
35 set = new HashSet<>(size);
36 }
37
38 @Override
39 public void add(final Object value) {
40 set.add(value);
41 }
42
43 @Override
44 public Set<?> create() {
45 return set;
46 }
47 }