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LongBox.java
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53 lines (43 loc) · 1.29 KB
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/*
* Copyright (c) 2017, Fernando Miguel Carvalho, mcarvalho@cc.isel.ipl.pt
*
* 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 org.jayield.boxes;
public class LongBox {
protected long value;
private boolean isPresent;
public LongBox() {
this(Long.MIN_VALUE, false);
}
public LongBox(long value, boolean isPresent) {
this.value = value;
this.isPresent = isPresent;
}
public LongBox(long identity) {
this.value = identity;
}
public long getValue() {
return value;
}
public void setValue(long value) {
this.value = value;
}
public boolean isPresent() {
return isPresent;
}
public void turnPresent(long value) {
this.value = value;
isPresent = true;
}
}