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Support generic range type in DMN engine (apache#6123)
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48 changes: 48 additions & 0 deletions
48
kie-dmn/kie-dmn-feel/src/main/java/org/kie/dmn/feel/lang/ast/RangeTypeNode.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
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| package org.kie.dmn.feel.lang.ast; | ||
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| import org.antlr.v4.runtime.ParserRuleContext; | ||
| import org.kie.dmn.feel.lang.EvaluationContext; | ||
| import org.kie.dmn.feel.lang.Type; | ||
| import org.kie.dmn.feel.lang.types.GenRangeType; | ||
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| public class RangeTypeNode extends TypeNode { | ||
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| private final TypeNode genericTypeNode; | ||
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| public RangeTypeNode(ParserRuleContext ctx, TypeNode gen) { | ||
| super(ctx); | ||
| this.genericTypeNode = gen; | ||
| } | ||
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| public RangeTypeNode(TypeNode genericTypeNode, String text) { | ||
| this.genericTypeNode = genericTypeNode; | ||
| this.setText(text); | ||
| } | ||
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| @Override | ||
| public Type evaluate(EvaluationContext ctx) { | ||
| Type gen = genericTypeNode.evaluate(ctx); | ||
| return new GenRangeType(gen); | ||
| } | ||
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| @Override | ||
| public <T> T accept(Visitor<T> v) { | ||
| return v.visit(this); | ||
| } | ||
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| public TypeNode getGenericTypeNode() { | ||
| return genericTypeNode; | ||
| } | ||
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| } |
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64 changes: 64 additions & 0 deletions
64
kie-dmn/kie-dmn-feel/src/main/java/org/kie/dmn/feel/lang/types/GenRangeType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
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| package org.kie.dmn.feel.lang.types; | ||
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| import org.kie.dmn.feel.lang.SimpleType; | ||
| import org.kie.dmn.feel.lang.Type; | ||
| import org.kie.dmn.feel.runtime.impl.RangeImpl; | ||
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| public class GenRangeType implements SimpleType { | ||
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| /** | ||
| * Represents the "generic" type of the current list | ||
| */ | ||
| private final Type gen; | ||
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| public GenRangeType(Type gen) { | ||
| this.gen = gen; | ||
| } | ||
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| @Override | ||
| public boolean isInstanceOf(Object o) { | ||
| if (o instanceof RangeImpl rangeImpl) { | ||
| return gen.isInstanceOf(rangeImpl.getLowEndPoint()) && gen.isInstanceOf(rangeImpl.getHighEndPoint()); | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean isAssignableValue(Object value) { | ||
| if ( value == null ) { | ||
| return true; // a null-value can be assigned to any type. | ||
| } | ||
| if (!(value instanceof RangeImpl)) { | ||
| return gen.isAssignableValue(value); | ||
| } | ||
| return isInstanceOf(value); | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return "[anonymous]"; | ||
| } | ||
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| public Type getGen() { | ||
| return gen; | ||
| } | ||
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| @Override | ||
| public boolean conformsTo(Type t) { | ||
| return (t instanceof GenRangeType && this.gen.conformsTo(((GenRangeType) t).gen)) || t == BuiltInType.RANGE; | ||
| } | ||
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| } |
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