content: /*
   * Copyright 2012-2024 Aerospike, Inc.
   *
   * Portions may be licensed to Aerospike, Inc. under one or more contributor
   * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0.
   *
   * 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 com.aerospike.client.cdt;
  
  import com.aerospike.client.Value;
  import com.aerospike.client.util.Pack;
  import com.aerospike.client.util.Packer;
  
  public abstract class CDT {
  	protected static byte[] packRangeOperation(int command, int returnType, Value begin, Value end, CTX[] ctx) {
  		Packer packer = new Packer();
  
  		// First pass calculates buffer size.
  		// Second pass writes to buffer.
  		for (int i = 0; i < 2; i++) {
  			Pack.init(packer, ctx);
  			packer.packArrayBegin((end != null) ? 4 : 3);
  			packer.packInt(command);
  			packer.packInt(returnType);
  
  			if (begin != null) {
  				begin.pack(packer);
  			} else {
  				packer.packNil();
  			}
  
  			if (end != null) {
  				end.pack(packer);
  			}
  
  			if (i == 0) {
  				packer.createBuffer();
  			}
  		}
  		return packer.getBuffer();
  	}
  
  	protected static void init(Packer packer, CTX[] ctx, int command, int count, int flag) {
  		packer.packArrayBegin(3);
  		packer.packInt(0xff);
  		packer.packArrayBegin(ctx.length * 2);
  
  		CTX c;
  		int last = ctx.length - 1;
  
  		for (int i = 0; i < last; i++) {
  			c = ctx[i];
  			packer.packInt(c.id);
  			c.value.pack(packer);
  		}
  
  		c = ctx[last];
  		packer.packInt(c.id | flag);
  		c.value.pack(packer);
  
  		packer.packArrayBegin(count + 1);
  		packer.packInt(command);
  	}
  }
  