本文整理了Java中net.anwiba.commons.lang.optional.Optional类的一些代码示例，展示了Optional类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Optional类的具体详情如下：
包路径：net.anwiba.commons.lang.optional.Optional
类名称：Optional

Optional介绍

暂无

代码示例

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public IOptional<T, E> or(final T value) {
 return of(this.exceptionClass, value);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@SuppressWarnings("unchecked")
@Override
public <O> IOptional<O, E> instanceOf(final Class<O> clazz) {
 if (clazz.isInstance(this.value)) {
  return of(this.exceptionClass, (O) this.value);
 }
 return empty(this.exceptionClass);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O> IOptional<O, E> aggregate(final O inital, final IAggregator<O, T, O, E> aggregator) {
 return Optional.failed(this.exceptionClass, this.cause);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O> IOptional<O, E> instanceOf(final Class<O> clazz) {
 return empty(this.exceptionClass);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

public static <T> IOptional<T, RuntimeException> empty() {
 return empty(RuntimeException.class);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

public static <T> IOptional<T, RuntimeException> of(final T value) {
 return of(RuntimeException.class, value);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

public static <T> IOptional<T, RuntimeException> of(final java.util.Optional<T> optional) {
 return optional.isPresent() ? of(optional.get()) : empty();
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O> IOptional<T, E> equals(final IConverter<T, O, E> converter, final O other) {
 try {
  if (Objects.equals(converter.convert(this.value), other)) {
   return this;
  }
  return empty(this.exceptionClass);
 } catch (final Exception exception) {
  return Optional.failed(this.exceptionClass, exception, null);
 }
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public IOptional<T, E> first() {
 return Optional.failed(this.exceptionClass, this.cause);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public IOptional<T, E> or(final ISupplier<T, E> supplier) {
 try {
  return of(this.exceptionClass, supplier.supply());
 } catch (final Exception exception) {
  return Optional.failed(this.exceptionClass, exception, null);
 }
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O, E extends Exception> IOptional<O, E> excecute(
  final Class<E> exceptionClass,
  final ISupplier<O, E> supplier)
  throws E {
 if (this.value) {
  return Optional.of(exceptionClass, supplier.supply());
 }
 return Optional.empty(exceptionClass);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public IOptional<T, E> accept(final IAcceptor<T> acceptor) {
 return acceptor.accept(this.value) ? this : empty(this.exceptionClass);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O> IOptional<T, E> equals(final IConverter<T, O, E> converter, final O value) {
 return Optional.failed(this.exceptionClass, this.cause);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-datasource

public MemoryConnectionDescription(final Serializable content, final String mimeType, final ZonedDateTime timeStamp) {
 this.content = content;
 this.mimeType = mimeType;
 this.timeStamp = Optional.of(timeStamp).getOr(() -> ZonedDateTime.now());
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O, E extends Exception> IOptional<O, E> or(final Class<E> exceptionClass, final ISupplier<O, E> supplier)
  throws E {
 if (!this.value) {
  return Optional.of(exceptionClass, supplier.supply());
 }
 return Optional.empty(exceptionClass);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

public static <T, E extends Exception> IOptional<T, E> of(final Class<E> exceptionClass, final T value) {
 if (value == null) {
  return empty(exceptionClass);
 }
 return new Value<>(exceptionClass, value);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public <O> IOptional<O, E> instanceOf(final Class<O> clazz) {
 return Optional.failed(this.exceptionClass, this.cause);
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

private synchronized void check() {
 if (this.optional == null) {
  this.optional = Optional.of(this.exceptionClass, (T) null).or(this.supplier);
 }
};

代码示例来源：origin: net.anwiba.commons/anwiba-commons-jdbc

public static <T> T result(
  final Connection connection,
  final String statementString,
  final IProcedure<PreparedStatement, SQLException> prepareProcedure,
  final IConverter<IOptional<IResult, SQLException>, T, SQLException> resultFunction)
  throws SQLException {
 logger.log(ILevel.DEBUG, "Statement: " + statementString); //$NON-NLS-1$
 try (PreparedStatement statement = connection.prepareStatement(statementString)) {
  prepareProcedure.execute(statement);
  if (statement.execute()) {
   try (final ResultSet resultSet = statement.getResultSet()) {
    final IResult result = new ResultSetToResultAdapter(resultSet);
    if (resultSet.next()) {
     final T value = resultFunction.convert(Optional.of(SQLException.class, result));
     if (resultSet.next()) {
      throw new SQLException("Statement result isn't unique '" + statementString + "'"); //$NON-NLS-1$ //$NON-NLS-2$
     }
     return value;
    }
   }
  }
  return resultFunction.convert(Optional.<IResult, SQLException> empty(SQLException.class));
 } catch (final SQLException exception) {
  throw new SQLException("Executing statement '" + statementString + "' faild", exception); //$NON-NLS-1$ //$NON-NLS-2$
 }
}

代码示例来源：origin: net.anwiba.commons/anwiba-commons-core

@Override
public IOptional<T, E> first(final IAcceptor<T> acceptor) {
 return Optional.failed(this.exceptionClass, this.cause);
}