Java Try.isSuccess方法代码示例

import io.vavr.control.Try; //导入方法依赖的package包/类
private Try<DataTable> checkColumnsAndBuild(String changeType, Supplier<Try<Vector<IDataColumn>>> columns) {
    // Calculate the new column collection then try and build a DataTable from it.
    Try<DataTable> result = columns.get()
            .flatMap(cols -> DataTable.build(this.table.name(), cols));

    return result.isSuccess()
            ? result
            : error("Error " + changeType + " column at specified index.", result.getCause());
}
 

import io.vavr.control.Try; //导入方法依赖的package包/类
/**
 * Indicates that a value should be present in an empty {@link io.vavr.control.Try}.
 *
 * @param value Try to be checked.
 * @return an error message factory.
 * @throws java.lang.NullPointerException if Try is null.
 */
static TryShouldContainInstanceOf shouldContainInstanceOf(Object value, Class<?> clazz) {
    Try<?> Try = (Try<?>) value;
    if (Try.isSuccess()) {
        return new TryShouldContainInstanceOf(String
          .format("%nExpecting:%n <%s>%nto contain a value that is an instance of:%n <%s>%nbut did contain an instance of:%n <%s>",
            Try.getClass().getSimpleName(), clazz.getName(),
            Try.get().getClass().getName()));
    }
    return new TryShouldContainInstanceOf(String
      .format("%nExpecting:%n <%s>%nto contain a value that is an instance of:%n <%s>%nbut was empty",
        Try.getClass().getSimpleName(), clazz.getName()));
}
 

import io.vavr.control.Try; //导入方法依赖的package包/类
private Try<Object> columnToValue(Try<IDataColumn> column) {
    return column.isSuccess()
            ? Try.success(column.get().valueAt(this.rowIdx))
            : Try.failure(column.getCause());
}
 

import io.vavr.control.Try; //导入方法依赖的package包/类
/**
 * Indicates that the provided {@link io.vavr.control.Try} does not contain the provided argument.
 *
 * @param Try           the {@link io.vavr.control.Try} which contains a value.
 * @param expectedValue the value we expect to be in the provided {@link io.vavr.control.Try}.
 * @param <VALUE>       the type of the value contained in the {@link io.vavr.control.Try}.
 * @return a error message factory
 */
static <VALUE> TryShouldContain shouldContain(Try<VALUE> Try, VALUE expectedValue) {
    return Try.isSuccess() ?
      new TryShouldContain(EXPECTING_TO_CONTAIN, Try, expectedValue) :
      shouldContain(expectedValue);
}
 

import io.vavr.control.Try; //导入方法依赖的package包/类
/**
 * Indicates that the provided {@link io.vavr.control.Try} does not contain the provided argument (judging by reference
 * equality).
 *
 * @param Try           the {@link io.vavr.control.Try} which contains a value.
 * @param expectedValue the value we expect to be in the provided {@link io.vavr.control.Try}.
 * @param <VALUE>       the type of the value contained in the {@link io.vavr.control.Try}.
 * @return a error message factory
 */
static <VALUE> TryShouldContain shouldContainSame(Try<VALUE> Try, VALUE expectedValue) {
    return Try.isSuccess() ?
      new TryShouldContain(EXPECTING_TO_CONTAIN_SAME, Try, expectedValue) :
      shouldContain(expectedValue);
}