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Check for constructor mappings before type handlers #2430

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aafce57
Adding some logging details
Dec 21, 2021
5c8a64b
Adding potential fix for superclass type assignment
Jan 18, 2022
d6e8a7b
Removing some debug lines
Jan 18, 2022
6e27ab6
Reversing order of constructor mappings check
Jan 20, 2022
14e6731
Reverting prior change
Jan 20, 2022
7a83689
Reverting year change
Jan 20, 2022
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8 changes: 4 additions & 4 deletions src/main/java/org/apache/ibatis/executor/resultset/DefaultResultSetHandler.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright 2009-2021 the original author or authors.
* Copyright 2009-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
Expand Down Expand Up @@ -648,10 +648,10 @@ private Object createResultObject(ResultSetWrapper rsw, ResultMap resultMap, Lis
final Class<?> resultType = resultMap.getType();
final MetaClass metaType = MetaClass.forClass(resultType, reflectorFactory);
final List<ResultMapping> constructorMappings = resultMap.getConstructorResultMappings();
if (hasTypeHandlerForResultObject(rsw, resultType)) {
return createPrimitiveResultObject(rsw, resultMap, columnPrefix);
} else if (!constructorMappings.isEmpty()) {
if (!constructorMappings.isEmpty()) {
return createParameterizedResultObject(rsw, resultType, constructorMappings, constructorArgTypes, constructorArgs, columnPrefix);
} else if (hasTypeHandlerForResultObject(rsw, resultType)) {
return createPrimitiveResultObject(rsw, resultMap, columnPrefix);
} else if (resultType.isInterface() || metaType.hasDefaultConstructor()) {
return objectFactory.create(resultType);
} else if (shouldApplyAutomaticMappings(resultMap, false)) {
Expand Down
10 changes: 5 additions & 5 deletions src/main/java/org/apache/ibatis/mapping/ResultMapping.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright 2009-2021 the original author or authors.
* Copyright 2009-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
Expand Down Expand Up @@ -144,15 +144,15 @@ public ResultMapping build() {
private void validate() {
// Issue #697: cannot define both nestedQueryId and nestedResultMapId
if (resultMapping.nestedQueryId != null && resultMapping.nestedResultMapId != null) {
throw new IllegalStateException("Cannot define both nestedQueryId and nestedResultMapId in property " + resultMapping.property);
throw new IllegalStateException("Cannot define both nestedQueryId and nestedResultMapId in property " + resultMapping.property + " for Java type " + resultMapping.javaType);
}
// Issue #5: there should be no mappings without typehandler
if (resultMapping.nestedQueryId == null && resultMapping.nestedResultMapId == null && resultMapping.typeHandler == null) {
throw new IllegalStateException("No typehandler found for property " + resultMapping.property);
throw new IllegalStateException("No typehandler found for property " + resultMapping.property + " for Java type " + resultMapping.javaType);
}
// Issue #4 and GH #39: column is optional only in nested resultmaps but not in the rest
if (resultMapping.nestedResultMapId == null && resultMapping.column == null && resultMapping.composites.isEmpty()) {
throw new IllegalStateException("Mapping is missing column attribute for property " + resultMapping.property);
throw new IllegalStateException("Mapping is missing column attribute for property " + resultMapping.property + " for Java type " + resultMapping.javaType);
}
if (resultMapping.getResultSet() != null) {
int numColumns = 0;
Expand All @@ -164,7 +164,7 @@ private void validate() {
numForeignColumns = resultMapping.foreignColumn.split(",").length;
}
if (numColumns != numForeignColumns) {
throw new IllegalStateException("There should be the same number of columns and foreignColumns in property " + resultMapping.property);
throw new IllegalStateException("There should be the same number of columns and foreignColumns in property " + resultMapping.property + " for Java type " + resultMapping.javaType);
}
}
}
Expand Down