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[Fix #2158] Adding support for querying workflow variables
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42 changes: 42 additions & 0 deletions
42
...rage-postgresql/src/main/java/org/kie/kogito/index/postgresql/PostgresqlJsonJPAQuery.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * 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.kie.kogito.index.postgresql; | ||
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| import java.util.function.Function; | ||
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| import org.kie.kogito.index.jpa.model.AbstractEntity; | ||
| import org.kie.kogito.index.jpa.storage.JPAQuery; | ||
| import org.kie.kogito.persistence.api.query.AttributeFilter; | ||
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| import io.quarkus.hibernate.orm.panache.PanacheRepositoryBase; | ||
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| import jakarta.persistence.criteria.CriteriaBuilder; | ||
| import jakarta.persistence.criteria.Predicate; | ||
| import jakarta.persistence.criteria.Root; | ||
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| public class PostgresqlJsonJPAQuery<K, E extends AbstractEntity, T> extends JPAQuery<K, E, T> { | ||
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| public PostgresqlJsonJPAQuery(PanacheRepositoryBase<E, K> repository, Function<E, T> mapper, Class<E> entityClass) { | ||
| super(repository, mapper, entityClass); | ||
| } | ||
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| protected Function<AttributeFilter<?>, Predicate> filterPredicateFunction(Root<E> root, CriteriaBuilder builder) { | ||
| return filter -> filter.isJson() ? PostgresqlJsonNavigator.buildPredicate(filter, root, builder) : buildPredicateFunction(filter, root, builder); | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
...age-postgresql/src/main/java/org/kie/kogito/index/postgresql/PostgresqlJsonNavigator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * 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.kie.kogito.index.postgresql; | ||
|
|
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| import org.kie.kogito.persistence.api.query.AttributeFilter; | ||
|
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| import jakarta.persistence.criteria.CriteriaBuilder; | ||
| import jakarta.persistence.criteria.Expression; | ||
| import jakarta.persistence.criteria.Predicate; | ||
| import jakarta.persistence.criteria.Root; | ||
|
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| public class PostgresqlJsonNavigator { | ||
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| private PostgresqlJsonNavigator() { | ||
| } | ||
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| public static Predicate buildPredicate(AttributeFilter<?> filter, Root<?> root, | ||
| CriteriaBuilder builder) { | ||
| switch (filter.getCondition()) { | ||
| case EQUAL: | ||
| boolean isString = filter.getValue() instanceof String; | ||
| return builder.equal(buildPathExpression(builder, root, filter.getAttribute(), isString), buildObjectExpression(builder, filter.getValue(), isString)); | ||
| } | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
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| private static Expression<?> buildObjectExpression(CriteriaBuilder builder, Object value, boolean isString) { | ||
| return isString ? builder.literal(value) : builder.function("to_jsonb", Object.class, builder.literal(value)); | ||
| } | ||
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| private static Expression<?> buildPathExpression(CriteriaBuilder builder, Root<?> root, String attributeName, boolean isStr) { | ||
| String[] attributes = attributeName.split("\\."); | ||
| Expression<?>[] arguments = new Expression[attributes.length]; | ||
| arguments[0] = root.get(attributes[0]); | ||
| for (int i = 1; i < attributes.length; i++) { | ||
| arguments[i] = builder.literal(attributes[i]); | ||
| } | ||
| return isStr ? builder.function("jsonb_extract_path_text", String.class, arguments) : builder.function("jsonb_extract_path", Object.class, arguments); | ||
| } | ||
|
|
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| } |
42 changes: 42 additions & 0 deletions
42
...src/main/java/org/kie/kogito/index/postgresql/PostgresqlProcessInstanceEntityStorage.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * 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.kie.kogito.index.postgresql; | ||
|
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| import org.kie.kogito.index.jpa.mapper.ProcessInstanceEntityMapper; | ||
| import org.kie.kogito.index.jpa.model.ProcessInstanceEntityRepository; | ||
| import org.kie.kogito.index.jpa.storage.ProcessInstanceEntityStorage; | ||
| import org.kie.kogito.index.model.ProcessInstance; | ||
| import org.kie.kogito.persistence.api.query.Query; | ||
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| import jakarta.enterprise.context.ApplicationScoped; | ||
| import jakarta.inject.Inject; | ||
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| @ApplicationScoped | ||
| public class PostgresqlProcessInstanceEntityStorage extends ProcessInstanceEntityStorage { | ||
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| @Inject | ||
| public PostgresqlProcessInstanceEntityStorage(ProcessInstanceEntityRepository repository, ProcessInstanceEntityMapper mapper) { | ||
| super(repository, mapper); | ||
| } | ||
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| @Override | ||
| public Query<ProcessInstance> query() { | ||
| return new PostgresqlJsonJPAQuery<>(repository, mapToModel, entityClass); | ||
| } | ||
| } |
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