-
Notifications
You must be signed in to change notification settings - Fork 51
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Move the equals comparison in a separate class to be reusable.
- Loading branch information
Showing
2 changed files
with
89 additions
and
50 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
86 changes: 86 additions & 0 deletions
86
src/main/scala/org/camunda/feel/impl/interpreter/ValComparator.scala
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH | ||
| * under one or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information regarding copyright | ||
| * ownership. Camunda licenses this file to you under the Apache License, | ||
| * Version 2.0; 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.camunda.feel.impl.interpreter | ||
|
|
||
| import org.camunda.feel.context.Context | ||
| import org.camunda.feel.syntaxtree._ | ||
| import org.camunda.feel.valuemapper.ValueMapper | ||
|
|
||
| class ValComparator(private val valueMapper: ValueMapper) { | ||
|
|
||
| def compare(x: Val, y: Val): Val = (x, y) match { | ||
| // both values are null | ||
| case (ValNull, _) => ValBoolean(ValNull == y.toOption.getOrElse(ValNull)) | ||
| case (_, ValNull) => ValBoolean(x.toOption.getOrElse(ValNull) == ValNull) | ||
| // compare values of the same type | ||
| case (ValNumber(x), ValNumber(y)) => ValBoolean(x == y) | ||
| case (ValBoolean(x), ValBoolean(y)) => ValBoolean(x == y) | ||
| case (ValString(x), ValString(y)) => ValBoolean(x == y) | ||
| case (ValDate(x), ValDate(y)) => ValBoolean(x == y) | ||
| case (ValLocalTime(x), ValLocalTime(y)) => ValBoolean(x == y) | ||
| case (ValTime(x), ValTime(y)) => ValBoolean(x == y) | ||
| case (ValLocalDateTime(x), ValLocalDateTime(y)) => ValBoolean(x == y) | ||
| case (ValDateTime(x), ValDateTime(y)) => ValBoolean(x == y) | ||
| case (ValYearMonthDuration(x), ValYearMonthDuration(y)) => ValBoolean(x == y) | ||
| case (ValDayTimeDuration(x), ValDayTimeDuration(y)) => ValBoolean(x == y) | ||
| case (ValList(x), ValList(y)) => compare(x, y) | ||
| case (ValContext(x), ValContext(y)) => compare(x, y) | ||
| // values have a different type | ||
| case _ => ValError(s"Can't compare '$x' with '$y'") | ||
| } | ||
|
|
||
| private def compare(x: List[Val], y: List[Val]): ValBoolean = { | ||
| if (x.size != y.size) { | ||
| ValBoolean(false) | ||
|
|
||
| } else { | ||
| val itemsAreEqual = x.zip(y).foldRight(true) { case ((x, y), listIsEqual) => | ||
| listIsEqual && { | ||
| compare(x, y) match { | ||
| case ValBoolean(itemIsEqual) => itemIsEqual | ||
| case _ => false | ||
| } | ||
| } | ||
| } | ||
| ValBoolean(itemsAreEqual) | ||
| } | ||
| } | ||
|
|
||
| private def compare(x: Context, y: Context): ValBoolean = { | ||
| val xVars = x.variableProvider.getVariables | ||
| val yVars = y.variableProvider.getVariables | ||
|
|
||
| if (xVars.keys != yVars.keys) { | ||
| ValBoolean(false) | ||
|
|
||
| } else { | ||
| val itemsAreEqual = xVars.keys.foldRight(true) { case (key, contextIsEqual) => | ||
| contextIsEqual && { | ||
| val xVal = valueMapper.toVal(xVars(key)) | ||
| val yVal = valueMapper.toVal(yVars(key)) | ||
|
|
||
| compare(xVal, yVal) match { | ||
| case ValBoolean(entryIsEqual) => entryIsEqual | ||
| case _ => false | ||
| } | ||
| } | ||
| } | ||
| ValBoolean(itemsAreEqual) | ||
| } | ||
| } | ||
|
|
||
| } |