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/*
 * 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.thrift;

public class TConfiguration {
  public static final int DEFAULT_MAX_MESSAGE_SIZE = 100 * 1024 * 1024;
  public static final int DEFAULT_MAX_FRAME_SIZE =
      16384000; // this value is used consistently across all Thrift libraries
  public static final int DEFAULT_RECURSION_DEPTH = 64;

  private int maxMessageSize;
  private int maxFrameSize;
  private int recursionLimit;

  public TConfiguration() {
    this(DEFAULT_MAX_MESSAGE_SIZE, DEFAULT_MAX_FRAME_SIZE, DEFAULT_RECURSION_DEPTH);
  }

  public TConfiguration(int maxMessageSize, int maxFrameSize, int recursionLimit) {
    this.maxFrameSize = maxFrameSize;
    this.maxMessageSize = maxMessageSize;
    this.recursionLimit = recursionLimit;
  }

  public int getMaxMessageSize() {
    return maxMessageSize;
  }

  public int getMaxFrameSize() {
    return maxFrameSize;
  }

  public int getRecursionLimit() {
    return recursionLimit;
  }

  public void setMaxMessageSize(int maxMessageSize) {
    this.maxMessageSize = maxMessageSize;
  }

  public void setMaxFrameSize(int maxFrameSize) {
    this.maxFrameSize = maxFrameSize;
  }

  public void setRecursionLimit(int recursionLimit) {
    this.recursionLimit = recursionLimit;
  }

  public static final TConfiguration DEFAULT = new Builder().build();

  public static Builder custom() {
    return new Builder();
  }

  public static class Builder {
    private int maxMessageSize;
    private int maxFrameSize;
    private int recursionLimit;

    Builder() {
      super();
      this.maxFrameSize = DEFAULT_MAX_FRAME_SIZE;
      this.maxMessageSize = DEFAULT_MAX_MESSAGE_SIZE;
      this.recursionLimit = DEFAULT_RECURSION_DEPTH;
    }

    public Builder setMaxMessageSize(int maxMessageSize) {
      this.maxMessageSize = maxMessageSize;
      return this;
    }

    public Builder setMaxFrameSize(int maxFrameSize) {
      this.maxFrameSize = maxFrameSize;
      return this;
    }

    public Builder setRecursionLimit(int recursionLimit) {
      this.recursionLimit = recursionLimit;
      return this;
    }

    public TConfiguration build() {
      return new TConfiguration(maxMessageSize, maxFrameSize, recursionLimit);
    }
  }
}