| /* |
| * Copyright 2009-2011 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.asterix.om.base; |
| |
| import edu.uci.ics.asterix.common.exceptions.AsterixException; |
| import edu.uci.ics.asterix.om.types.BuiltinType; |
| import edu.uci.ics.asterix.om.types.IAType; |
| import edu.uci.ics.asterix.om.visitors.IOMVisitor; |
| |
| public class ABinary implements IAObject { |
| |
| private static final int HASH_PREFIX = 31; |
| |
| private final byte[] bytes; |
| |
| public ABinary(byte[] byteArray) { |
| this.bytes = byteArray; |
| } |
| |
| public byte[] getBytes() { |
| return bytes; |
| } |
| |
| @Override |
| public void accept(IOMVisitor visitor) throws AsterixException { |
| visitor.visitABinary(this); |
| } |
| |
| @Override |
| public IAType getType() { |
| return BuiltinType.ABINARY; |
| } |
| |
| @Override |
| public boolean deepEqual(IAObject obj) { |
| if (!(obj instanceof ABinary)) { |
| return false; |
| } |
| byte[] x = ((ABinary) obj).getBytes(); |
| if (bytes.length != x.length) { |
| return false; |
| } |
| for (int k = 0; k < bytes.length; k++) { |
| if (bytes[k] != x[k]) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public int hash() { |
| int m = HASH_PREFIX <= bytes.length ? HASH_PREFIX : bytes.length; |
| int h = 0; |
| for (int i = 0; i < m; i++) { |
| h += 31 * h + bytes[i]; |
| } |
| return h; |
| } |
| |
| @Override |
| public String toString() { |
| return "ABinary"; |
| } |
| } |