+++ /dev/null
-package org.apache.lucene.util.fst;
-
-/**
- * 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.
- */
-
-import org.apache.lucene.store.DataInput;
-import org.apache.lucene.store.DataOutput;
-
-/**
- * Use this if you just want to build an FSA.
- *
- * @lucene.experimental
- */
-
-public final class NoOutputs extends Outputs<Object> {
-
- static final Object NO_OUTPUT = new Object() {
- // NodeHash calls hashCode for this output; we fix this
- // so we get deterministic hashing.
- @Override
- public int hashCode() {
- return 42;
- }
-
- @Override
- public boolean equals(Object other) {
- return other == this;
- }
- };
-
- private static final NoOutputs singleton = new NoOutputs();
-
- private NoOutputs() {
- }
-
- public static NoOutputs getSingleton() {
- return singleton;
- }
-
- @Override
- public Object common(Object output1, Object output2) {
- assert output1 == NO_OUTPUT;
- assert output2 == NO_OUTPUT;
- return NO_OUTPUT;
- }
-
- @Override
- public Object subtract(Object output, Object inc) {
- assert output == NO_OUTPUT;
- assert inc == NO_OUTPUT;
- return NO_OUTPUT;
- }
-
- @Override
- public Object add(Object prefix, Object output) {
- assert prefix == NO_OUTPUT: "got " + prefix;
- assert output == NO_OUTPUT;
- return NO_OUTPUT;
- }
-
- @Override
- public void write(Object prefix, DataOutput out) {
- //assert false;
- }
-
- @Override
- public Object read(DataInput in) {
- //assert false;
- //return null;
- return NO_OUTPUT;
- }
-
- @Override
- public Object getNoOutput() {
- return NO_OUTPUT;
- }
-
- @Override
- public String outputToString(Object output) {
- return "";
- }
-}