lang/java/compiler/src/test/idl/input/simple.avdl

/**
 * 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
 *
 *     https://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.
 */

/**
 * A simple test case.
 */
@version("1.0.5")
@namespace("org.apache.avro.test")
protocol Simple {
  /** A kind of record. */
  @aliases(["org.foo.KindOf"])
  enum Kind {
    FOO,
    BAR, // the bar enum value
    BAZ
  }

  enum Status {
    A,
    B,
    C
  } = C; // C is the default value used when reading unknown values from another schema version (without it, reading throws an exception).

  /** A TestRecord. */
  @my-property({"key":3})
  record TestRecord {
    // Tests that keywords can also appear in identifiers.
    @avro.java.`string`("String") string @order("ignore") name = "foo";

    /** The kind of record. */
    Kind @order("descending") kind;

    /** The status of the record. */
    Status status = "A";

    MD5 hash = "0000000000000000";

    // A traditional optional field
    union {null, MD5} @aliases(["hash", "hsh"]) nullableHash = null;

    // These two fields parse correctly, but will brewak (be changed to strings) when serializing the protocol/schema as JSON.
    double value = NaN;
    float average = -Infinity;
    date d = 0;
    // An optional type with a non-null default value (results in a union with null last).
    time_ms? t = 0;

    @foo.bar("bar.foo") long l = 0;
    // Arrays (and maps) may also have properties
    @foo.bar.bar("foo.bar2") array<string> a = [];
    // An optional type with a null default value (results in a union with null first).
    @foo.foo.bar(42) @foo.foo.foo("3foo") string? prop = null;
  }

  /** An MD5 hash. */
  fixed MD5(16);

  error TestError {
    string message;
  }

  /** method 'hello' takes @parameter 'greeting' */
  string hello(string greeting);
  // The value of TestRecord also contains defaults for fields not mentioned.
  TestRecord echo(TestRecord `record` = {"name":"bar","kind":"BAR"});
  /** method 'add' takes @parameter 'arg1' @parameter 'arg2' */
  @specialProp("test")
  int add(int arg1, int arg2 = 0);
  bytes echoBytes(bytes data);
  void `error`() throws TestError;
  void ping() oneway;
}