| /* |
| * 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.accumulo.iteratortest; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import java.util.Collections; |
| import java.util.SortedMap; |
| |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.iteratortest.testcases.IteratorTestCase; |
| |
| /** |
| * The expected results from invoking a {@link IteratorTestCase} on a {@link IteratorTestInput}. The |
| * output will be either a {@link SortedMap} of Keys and Values or an exception but never both. If |
| * one of these members is null, the other is guaranteed to be non-null. |
| */ |
| public class IteratorTestOutput { |
| |
| /** |
| * An outcome about what happened during a test case. |
| */ |
| public enum TestOutcome { |
| |
| /** |
| * The IteratorTestCase proactively passed. |
| */ |
| PASSED, |
| |
| /** |
| * The IteratorTestCase proactively failed. |
| */ |
| FAILED, |
| |
| /** |
| * The IteratorTestCase completed, but the pass/fail should be determined by the other context. |
| */ |
| COMPLETED |
| } |
| |
| private final SortedMap<Key,Value> output; |
| private final Exception exception; |
| private final TestOutcome outcome; |
| |
| public IteratorTestOutput(TestOutcome outcome) { |
| this.outcome = outcome; |
| if (outcome == TestOutcome.COMPLETED) { |
| throw new IllegalArgumentException("This constructor is only for use with PASSED and FAILED"); |
| } |
| output = null; |
| exception = null; |
| } |
| |
| /** |
| * Create an instance of the class. |
| * |
| * @param output |
| * The sorted collection of Key-Value pairs generated by an Iterator. |
| */ |
| public IteratorTestOutput(SortedMap<Key,Value> output) { |
| this.output = Collections.unmodifiableSortedMap(requireNonNull(output)); |
| this.exception = null; |
| this.outcome = TestOutcome.COMPLETED; |
| } |
| |
| public IteratorTestOutput(Exception e) { |
| this.output = null; |
| this.exception = requireNonNull(e); |
| this.outcome = TestOutcome.FAILED; |
| } |
| |
| /** |
| * @return The outcome of the test. |
| */ |
| public TestOutcome getTestOutcome() { |
| return outcome; |
| } |
| |
| /** |
| * Returns the output from the iterator. |
| * |
| * @return The sorted Key-Value pairs from an iterator, null if an exception was thrown. |
| */ |
| public SortedMap<Key,Value> getOutput() { |
| return output; |
| } |
| |
| /** |
| * @return True if there is output, false if the output is null. |
| */ |
| public boolean hasOutput() { |
| return output != null; |
| } |
| |
| /** |
| * Returns the exception thrown by the iterator. |
| * |
| * @return The exception thrown by the iterator, null if no exception was thrown. |
| */ |
| public Exception getException() { |
| return exception; |
| } |
| |
| /** |
| * @return True if there is an exception, null if the iterator successfully generated Key-Value |
| * pairs. |
| */ |
| public boolean hasException() { |
| return exception != null; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((exception == null) ? 0 : exception.hashCode()); |
| result = prime * result + ((outcome == null) ? 0 : outcome.hashCode()); |
| result = prime * result + ((output == null) ? 0 : output.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof IteratorTestOutput)) { |
| return false; |
| } |
| |
| IteratorTestOutput other = (IteratorTestOutput) o; |
| |
| if (outcome != other.outcome) { |
| return false; |
| } |
| |
| if (hasOutput()) { |
| if (!other.hasOutput()) { |
| return false; |
| } |
| return output.equals(other.output); |
| } |
| |
| if (!other.hasException()) { |
| return false; |
| } |
| return exception.equals(other.getException()); |
| |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(64); |
| sb.append("[outcome=").append(outcome).append(", output='").append(output) |
| .append("', exception=").append(exception).append("]"); |
| return sb.toString(); |
| } |
| } |