br.com.objectos.schema.ddl.VersionSet Maven / Gradle / Ivy

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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.schema.ddl;

import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

import br.com.objectos.core.util.ImmutableList;
import br.com.objectos.db.Dialect;
import br.com.objectos.testable.Equality;
import br.com.objectos.testable.Testable;
import br.com.objectos.testable.Tester;

/**
 * @author [email protected] (Marcio Endo)
 */
public class VersionSet implements Testable {

  private static final Tester TESTER = Tester.of(VersionSet.class)
      .add("list", o -> o.list)
      .build();

  private final List list;

  private VersionSet(List list) {
    this.list = list;
  }

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

  @Override
  public Equality isEqualTo(Object that) {
    return TESTER.test(this, that);
  }

  public String toString(Dialect dialect) {
    return list.stream()
        .map(v -> v.toString(dialect))
        .collect(Collectors.joining("\n\n"));
  }

  public static class Builder {

    private final ImmutableList.Builder list = ImmutableList.builder();
    private int index = 1;

    private Builder() {
    }

    public Builder addTable(String tableName, String name, CreateTable executable) {
      Version version = Version.builder()
          .index(index++)
          .tableName(tableName)
          .name(name)
          .executable(executable)
          .build();
      list.add(version);
      return this;
    }

    public VersionSet build() {
      return new VersionSet(list.build());
    }

    Builder addVersion(Version version) {
      Objects.requireNonNull(version);
      list.add(version);
      return this;
    }

  }

}