/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.drools.compiler.rule.builder;
import org.drools.compiler.compiler.AnalysisResult;
import org.drools.compiler.lang.descr.BaseDescr;
import org.drools.compiler.lang.descr.LiteralRestrictionDescr;
import org.drools.compiler.lang.descr.OperatorDescr;
import org.drools.compiler.lang.descr.PredicateDescr;
import org.drools.compiler.lang.descr.RelationalExprDescr;
import org.drools.core.base.EvaluatorWrapper;
import org.drools.core.base.ValueType;
import org.drools.core.base.evaluators.EvaluatorDefinition;
import org.drools.core.base.mvel.MVELCompilationUnit;
import org.drools.core.rule.Declaration;
import org.drools.core.rule.Pattern;
import org.drools.core.spi.Constraint;
import org.drools.core.spi.Evaluator;
import org.drools.core.spi.FieldValue;
import org.drools.core.spi.InternalReadAccessor;
import org.drools.core.util.index.IndexUtil;
import java.util.Collection;
import java.util.Map;
public interface ConstraintBuilder {
public boolean isMvelOperator(String operator);
public Constraint buildVariableConstraint(RuleBuildContext context,
Pattern pattern,
String expression,
Declaration[] declarations,
String leftValue,
OperatorDescr operator,
String rightValue,
InternalReadAccessor extractor,
Declaration requiredDeclaration,
RelationalExprDescr relDescr,
Map<String, OperatorDescr> aliases);
public Constraint buildLiteralConstraint(RuleBuildContext context,
Pattern pattern,
ValueType vtype,
FieldValue field,
String expression,
String leftValue,
String operator,
String rightValue,
InternalReadAccessor extractor,
LiteralRestrictionDescr restrictionDescr,
Map<String, OperatorDescr> aliases);
public Evaluator buildLiteralEvaluator( RuleBuildContext context,
InternalReadAccessor extractor,
LiteralRestrictionDescr literalRestrictionDescr,
ValueType vtype );
public EvaluatorDefinition.Target getRightTarget( final InternalReadAccessor extractor );
public Evaluator getEvaluator( RuleBuildContext context,
BaseDescr descr,
ValueType valueType,
String evaluatorString,
boolean isNegated,
String parameters,
EvaluatorDefinition.Target left,
EvaluatorDefinition.Target right );
public EvaluatorWrapper wrapEvaluator( Evaluator evaluator,
Declaration left,
Declaration right );
public MVELCompilationUnit buildCompilationUnit(RuleBuildContext context,
Pattern pattern,
String expression,
Map<String, OperatorDescr> aliases);
public MVELCompilationUnit buildCompilationUnit( RuleBuildContext context,
Declaration[] previousDeclarations,
Declaration[] localDeclarations,
PredicateDescr predicateDescr,
AnalysisResult analysis );
public Constraint buildMvelConstraint( Collection<String> packageNames,
String expression,
Declaration[] declarations,
EvaluatorWrapper[] operators,
MVELCompilationUnit compilationUnit,
IndexUtil.ConstraintType constraintType,
Declaration indexingDeclaration,
InternalReadAccessor extractor,
boolean isUnification );
public Constraint buildMvelConstraint( String packageName,
String expression,
Declaration[] declarations,
EvaluatorWrapper[] operators,
MVELCompilationUnit compilationUnit,
boolean isIndexable );
}