001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package jet;
018
019import org.jetbrains.jet.rt.annotation.AssertInvisibleInResolver;
020
021@AssertInvisibleInResolver
022public final class ByteRange implements Range<Byte>, Progression<Byte> {
023    public static final ByteRange EMPTY = new ByteRange((byte) 1, (byte) 0);
024
025    private final byte start;
026    private final byte end;
027
028    public ByteRange(byte start, byte end) {
029        this.start = start;
030        this.end = end;
031    }
032
033    @Override
034    public boolean contains(Byte item) {
035        return start <= item && item <= end;
036    }
037
038    public boolean contains(byte item) {
039        return start <= item && item <= end;
040    }
041
042    @Override
043    public Byte getStart() {
044        return start;
045    }
046
047    @Override
048    public Byte getEnd() {
049        return end;
050    }
051
052    @Override
053    public Integer getIncrement() {
054        return 1;
055    }
056
057    @Override
058    public ByteIterator iterator() {
059        return new ByteProgressionIterator(start, end, 1);
060    }
061
062    @Override
063    public String toString() {
064        return start + ".." + end;
065    }
066
067    @Override
068    public boolean equals(Object o) {
069        if (this == o) {
070            return true;
071        }
072        if (o == null || getClass() != o.getClass()) {
073            return false;
074        }
075
076        ByteRange range = (ByteRange) o;
077        return end == range.end && start == range.start;
078    }
079
080    @Override
081    public int hashCode() {
082        int result = (int) start;
083        result = 31 * result + end;
084        return result;
085    }
086}