content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.apache.asterix.om.base;
  
  import org.apache.asterix.om.types.BuiltinType;
  import org.apache.asterix.om.types.IAType;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.node.ArrayNode;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  
  public class ABinary implements IAObject {
  
      private static final int HASH_PREFIX = 31;
  
      protected byte[] bytes;
      protected int start;
      protected int length;
  
      public ABinary(byte[] byteArray) {
          this.bytes = byteArray;
          this.start = 0;
          this.length = byteArray.length;
      }
  
      public ABinary(byte[] byteArray, int start, int length) {
          this.bytes = byteArray;
          this.start = start;
          this.length = length;
      }
  
      public byte[] getBytes() {
          return bytes;
      }
  
      public int getStart() {
          return start;
      }
  
      public int getLength() {
          return length;
      }
  
      @Override
      public IAType getType() {
          return BuiltinType.ABINARY;
      }
  
      @Override
      public boolean deepEqual(IAObject obj) {
          if (!(obj instanceof ABinary)) {
              return false;
          }
          byte[] x = ((ABinary) obj).getBytes();
          int xStart = ((ABinary) obj).getStart();
          int xLength = ((ABinary) obj).getLength();
  
          if (getLength() != xLength) {
              return false;
          }
          for (int k = 0; k < xLength; k++) {
              if (bytes[start + k] != x[xStart + k]) {
                  return false;
              }
          }
          return true;
      }
  
      @Override
      public int hash() {
          int m = Math.min(HASH_PREFIX, getLength());
          int h = 0;
          for (int i = 0; i < m; i++) {
              h += 31 * h + bytes[start + i];
          }
          return h;
      }
  
      @Override
      public String toString() {
          StringBuilder sb = new StringBuilder();
          int start = getStart();
          sb.append("0b");
          for (int i = 0; i < getLength(); i++) {
              sb.append(bytes[start + i]);
          }
          return sb.toString();
  
      }
  
      @Override
      public ObjectNode toJSON() {
          ObjectMapper om = new ObjectMapper();
          ObjectNode json = om.createObjectNode();
  
          int start = getStart();
          ArrayNode byteArray = om.createArrayNode();
          for (int i = 0; i < getLength(); i++) {
              byteArray.add(bytes[start + i]);
          }
          json.set("ABinary", byteArray);
  
          return json;
      }
  
  }
  