From c01a12cf48a18d021b88a176edfbc0547a8238c4 Mon Sep 17 00:00:00 2001 From: "Brian S. O'Neill" Date: Tue, 22 Sep 2009 21:17:32 +0000 Subject: Ensure derived properties are always accessed by methods. --- .../amazon/carbonado/gen/StorableGenerator.java | 64 ++++++++++++---------- 1 file changed, 34 insertions(+), 30 deletions(-) (limited to 'src/main') diff --git a/src/main/java/com/amazon/carbonado/gen/StorableGenerator.java b/src/main/java/com/amazon/carbonado/gen/StorableGenerator.java index caa5fbd..1cf4889 100644 --- a/src/main/java/com/amazon/carbonado/gen/StorableGenerator.java +++ b/src/main/java/com/amazon/carbonado/gen/StorableGenerator.java @@ -576,10 +576,7 @@ public final class StorableGenerator { StorableProperty internal = property.getInternalJoinElement(i); StorableProperty external = property.getExternalJoinElement(i); if (internal.isNullable() && !external.isNullable()) { - b.loadThis(); - b.loadField(internal.getName(), - TypeDesc.forClass(internal.getType())); - + loadThisProperty(b, internal); Label notNull = b.createLabel(); b.ifNullBranch(notNull, false); b.loadNull(); @@ -630,9 +627,7 @@ public final class StorableGenerator { b.loadLocal(join); StorableProperty internal = property.getInternalJoinElement(i); StorableProperty external = property.getExternalJoinElement(i); - b.loadThis(); - b.loadField(internal.getName(), - TypeDesc.forClass(internal.getType())); + loadThisProperty(b, internal); CodeBuilderUtil.convertValue (b, internal.getType(), external.getType()); b.invoke(external.getWriteMethod()); @@ -675,9 +670,7 @@ public final class StorableGenerator { // Now fill in the parameters of the query. for (int i=0; i internal = property.getInternalJoinElement(i); - b.loadThis(); - b.loadField(internal.getName(), - TypeDesc.forClass(internal.getType())); + loadThisProperty(b, internal); TypeDesc bindType = CodeBuilderUtil.bindQueryParam(internal.getType()); CodeBuilderUtil.convertValue @@ -725,8 +718,7 @@ public final class StorableGenerator { // Load property value and return it. - b.loadThis(); - b.loadField(property.getName(), type); + loadThisProperty(b, property); b.returnValue(type); } @@ -821,8 +813,7 @@ public final class StorableGenerator { b.loadLocal(b.getParameter(0)); b.ifNullBranch(markDirty, true); - b.loadThis(); - b.loadField(property.getName(), type); + loadThisProperty(b, property); LocalVariable tempProp = b.createLocalVariable(null, type); b.storeLocal(tempProp); b.loadLocal(tempProp); @@ -953,8 +944,7 @@ public final class StorableGenerator { b.loadStaticField(fieldName, adapterType); // Load property value. - b.loadThis(); - b.loadField(property.getName(), type); + loadThisProperty(b, property); b.invoke(adaptMethod); b.returnValue(toType); @@ -966,7 +956,9 @@ public final class StorableGenerator { // Note: Calling these methods does not affect any state bits. // They are only intended to be used by subclasses during loading. - if (property.getAdapter() != null) { + if (property.getAdapter() != null && + (!property.isDerived() || (property.getWriteMethod() != null))) + { // End name with '$' to prevent any possible collisions. String writeName = property.getWriteMethodName() + '$'; @@ -994,7 +986,7 @@ public final class StorableGenerator { b.loadLocal(b.getParameter(0)); b.invoke(adaptMethod); - b.storeField(property.getName(), type); + storeProperty(b, property, type); b.returnVoid(); } @@ -1067,9 +1059,7 @@ public final class StorableGenerator { // Now fill in the parameters of the query. for (OrderedProperty op : altKey.getProperties()) { StorableProperty prop = op.getChainedProperty().getPrimeProperty(); - b.loadThis(); - TypeDesc propType = TypeDesc.forClass(prop.getType()); - b.loadField(prop.getName(), propType); + loadThisProperty(b, prop); TypeDesc bindType = CodeBuilderUtil.bindQueryParam(prop.getType()); CodeBuilderUtil.convertValue(b, prop.getType(), bindType.toClass()); b.invokeInterface(queryType, WITH_METHOD_NAME, queryType, @@ -1932,7 +1922,7 @@ public final class StorableGenerator { b.loadLocal(target); // [target loadThisProperty(b, property, type); // [target, this.propValue - mutateProperty(b, property, type); + storeProperty(b, property, type); skipCopy.setLocation(); } @@ -1972,6 +1962,21 @@ public final class StorableGenerator { b.ifZeroComparisonBranch(skipCopy, "=="); } + /** + * Loads the property value of the current storable onto the stack. If the + * property is derived the read method is used, otherwise it just loads the + * value from the appropriate field. + * + * entry stack: [ + * exit stack: [value + * + * @param b - {@link CodeBuilder} to which to add the load code + * @param property - property to load + */ + private void loadThisProperty(CodeBuilder b, StorableProperty property) { + loadThisProperty(b, property, TypeDesc.forClass(property.getType())); + } + /** * Loads the property value of the current storable onto the stack. If the * property is derived the read method is used, otherwise it just loads the @@ -1994,8 +1999,9 @@ public final class StorableGenerator { } /** - * Puts the value on the stack into the specified storable. If a write method is defined - * uses it, otherwise just shoves the value into the appropriate field. + * Puts the value on the stack into the specified storable. If a write + * method is defined, use it. Otherwise, just shove the value into the + * appropriate field. * * entry stack: [storable, value * exit stack: [ @@ -2004,8 +2010,8 @@ public final class StorableGenerator { * @param property - property to mutate * @param type - type of the property */ - private void mutateProperty(CodeBuilder b, StorableProperty property, TypeDesc type) { - if (property.getWriteMethod() == null) { + private void storeProperty(CodeBuilder b, StorableProperty property, TypeDesc type) { + if (property.getWriteMethod() == null && !property.isDerived()) { b.storeField(property.getName(), type); } else { b.invoke(property.getWriteMethod()); @@ -3119,8 +3125,7 @@ public final class StorableGenerator { } TypeDesc fieldType = TypeDesc.forClass(property.getType()); - b.loadThis(); - b.loadField(property.getName(), fieldType); + loadThisProperty(b, property); b.loadLocal(other); b.invoke(property.getReadMethod()); @@ -3270,9 +3275,8 @@ public final class StorableGenerator { invokeAppend(b, TypeDesc.STRING); b.loadConstant('='); invokeAppend(b, TypeDesc.CHAR); - b.loadThis(); + loadThisProperty(b, property); TypeDesc type = TypeDesc.forClass(property.getType()); - b.loadField(property.getName(), type); if (type.isPrimitive()) { if (type == TypeDesc.BYTE || type == TypeDesc.SHORT) { type = TypeDesc.INT; -- cgit v1.2.3