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/*
 * Copyright (C) 2017-2017 DataStax Inc.
 *
 * 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.datastax.oss.simulacron.common.request;

import com.datastax.oss.protocol.internal.Frame;
import com.datastax.oss.simulacron.common.codec.ConsistencyLevel;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.nio.ByteBuffer;
import java.util.Iterator;
import java.util.List;

public final class Batch extends Request {
  @JsonProperty("queries")
  public final List queries;

  public final transient List consistencyEnum;

  @JsonCreator
  public Batch(
      @JsonProperty("queries") List queries,
      @JsonProperty("consistency_level") String[] consistency) {
    this(queries, createEnumFromConsistency(consistency));
  }

  public Batch(List queries, List consistencies) {
    this.queries = queries;
    this.consistencyEnum = consistencies;
  }

  @JsonProperty("queries")
  public List getQueries() {
    return queries;
  }

  public boolean matches(Frame frame) {

    if (frame.message instanceof com.datastax.oss.protocol.internal.request.Batch) {
      com.datastax.oss.protocol.internal.request.Batch batch =
          (com.datastax.oss.protocol.internal.request.Batch) frame.message;

      ConsistencyLevel level = ConsistencyLevel.fromCode(batch.consistency);
      // NOTE: Absent CL level means it will match all CL levels
      if (this.consistencyEnum.contains(level) || this.consistencyEnum.size() == 0) {

        if (batch.values.size() != queries.size()) {
          return false;
        }

        Iterator> valuesIterator = batch.values.iterator();
        Iterator statementIterator = queries.iterator();
        Iterator