AfflictionNetworks/depot
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We need to allow persistent fields to not exist for longer because we may be

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using magical methods to convert to/from composite runtime fields.
This commit is contained in:
Michael Bayne
2009-07-10 00:05:37 +00:00
parent 65f4c8dff4
commit 4b4ff40ee5
1 changed files with 15 additions and 9 deletions
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src/java/com/samskivert/depot/util/RuntimeUtil.java
+15 -9
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@@ -162,7 +162,7 @@ public class RuntimeUtil
{
// if there's a custom getter method for the field, use that foremost
try {
final Method method = pclass.getMethod(makeMethodName("get", pfield.getName()));
final Method method = pclass.getMethod(makeMethodName("get", rfield.getName()));
if (method.getReturnType().equals(rfield.getType())) {
return new Getter() {
public Object get (Object object) throws Exception {
@@ -174,6 +174,12 @@ public class RuntimeUtil
// no problem, keep on truckin'
}
// if we have no persistent field for the runtime field, we're now out of luck
if (pfield == null) {
throw new IllegalArgumentException("Cannot create mapping for " + rfield + ". " +
"No corresponding field exists in " + pclass + ".");
}
// if the fields match exactly, return a getter that just gets the field
if (rfield.getType().equals(pfield.getType())) {
return new Getter() {
@@ -202,7 +208,7 @@ public class RuntimeUtil
// check for a custom setter method for the field (with the correct argument type)
try {
final Method method = pclass.getMethod(
makeMethodName("set", pfield.getName()), rfield.getType());
makeMethodName("set", rfield.getName()), rfield.getType());
return new Setter() {
public void set (Object object, Object value) throws Exception {
method.invoke(object, value);
@@ -212,6 +218,12 @@ public class RuntimeUtil
// no problem, keep on truckin'
}
// if we have no persistent field for this runtime field, we're now out of luck
if (pfield == null) {
throw new IllegalArgumentException("Cannot create setter for " + rfield + ". " +
"No corresponding field exists in " + pclass + ".");
}
// if the fields match exactly, return a setter that just sets the field
if (rfield.getType().equals(pfield.getType())) {
return new Setter() {
@@ -242,13 +254,7 @@ public class RuntimeUtil
try {
pfields[ii] = pclass.getField(rfields[ii].getName());
} catch (NoSuchFieldException nsfe) {
throw new IllegalArgumentException(
"Cannot create mapping for " + rfields[ii] + ". " +
"No corresponding field exists in " + pclass + ".");
}
if (!pfields[ii].getType().equals(rfields[ii].getType())) {
throw new IllegalArgumentException("Cannot create mapping from " + pfields[ii] +
" to " + rfields[ii] + ".");
// we may have a magical method that handles this field, so leave this null
}
}
return pfields;