From 5403ce66194832e9887cc0d0222ff449464e041f Mon Sep 17 00:00:00 2001 From: "Brian S. O'Neill" Date: Fri, 18 Apr 2008 20:23:47 +0000 Subject: Support renamed properties in indexes and keys. --- .../com/amazon/carbonado/cursor/SortedCursor.java | 69 +++++++++++++++++----- .../com/amazon/carbonado/info/ChainedProperty.java | 5 +- .../carbonado/info/StorableIntrospector.java | 12 +++- .../amazon/carbonado/info/StorableProperty.java | 11 +++- .../repo/jdbc/JDBCStorableIntrospector.java | 4 ++ .../synthetic/SyntheticStorableBuilder.java | 8 +++ 6 files changed, 85 insertions(+), 24 deletions(-) (limited to 'src/main/java/com/amazon') diff --git a/src/main/java/com/amazon/carbonado/cursor/SortedCursor.java b/src/main/java/com/amazon/carbonado/cursor/SortedCursor.java index 3c26caa..2a05493 100644 --- a/src/main/java/com/amazon/carbonado/cursor/SortedCursor.java +++ b/src/main/java/com/amazon/carbonado/cursor/SortedCursor.java @@ -36,8 +36,11 @@ import com.amazon.carbonado.FetchInterruptedException; import com.amazon.carbonado.Cursor; import com.amazon.carbonado.Storable; +import com.amazon.carbonado.info.ChainedProperty; import com.amazon.carbonado.info.Direction; import com.amazon.carbonado.info.OrderedProperty; +import com.amazon.carbonado.info.StorableInfo; +import com.amazon.carbonado.info.StorableIntrospector; /** * Wraps another Cursor and ensures the results are sorted. If the elements in @@ -62,17 +65,26 @@ public class SortedCursor extends AbstractCursor { */ public static Comparator createComparator(Class type, String... orderProperties) { BeanComparator bc = BeanComparator.forClass(type); - for (String property : orderProperties) { - Class propertyType; - { - String name = property; - if (name.startsWith("+") || name.startsWith("-")) { - name = name.substring(1); + + if (Storable.class.isAssignableFrom(type)) { + StorableInfo info = StorableIntrospector.examine((Class) type); + for (String property : orderProperties) { + bc = orderBy(bc, OrderedProperty.parse(info, property)); + } + } else { + for (String property : orderProperties) { + Class propertyType; + { + String name = property; + if (name.startsWith("+") || name.startsWith("-")) { + name = name.substring(1); + } + propertyType = propertyType(type, name); } - propertyType = propertyType(type, name); + bc = orderBy(bc, property, propertyType, Direction.ASCENDING); } - bc = orderBy(bc, property, propertyType, Direction.ASCENDING); } + return bc; } @@ -117,8 +129,7 @@ public class SortedCursor extends AbstractCursor { if (property == null) { throw new IllegalArgumentException(); } - bc = orderBy(bc, property.getChainedProperty().toString(), - property.getChainedProperty().getType(), property.getDirection()); + bc = orderBy(bc, property); } return bc; @@ -148,15 +159,21 @@ public class SortedCursor extends AbstractCursor { if (property == null) { throw new IllegalArgumentException(); } - bc = orderBy(bc, property.getChainedProperty().toString(), - property.getChainedProperty().getType(), property.getDirection()); + bc = orderBy(bc, property); } return bc; } - private static BeanComparator orderBy(BeanComparator bc, String property, - Class type, Direction direction) + private static BeanComparator orderBy(BeanComparator bc, OrderedProperty property) { + ChainedProperty chained = property.getChainedProperty(); + return orderBy(bc, chainToBeanString(chained), chained.getType(), property.getDirection()); + } + + private static BeanComparator orderBy(BeanComparator bc, + String property, + Class type, + Direction direction) { bc = bc.orderBy(property); @@ -165,11 +182,12 @@ public class SortedCursor extends AbstractCursor { if (td.getRootComponentType() == TypeDesc.BYTE) { bc = bc.using(Comparators.arrayComparator(type, true)); } else { - bc = bc.using(Comparators.arrayComparator(type, false)); - if (bc == null) { + Comparator c = Comparators.arrayComparator(type, false); + if (c == null) { throw new IllegalArgumentException("Cannot sort by property type of " + type.getName() + " for " + property); } + bc = bc.using(c); } } else { bc = bc.caseSensitive(); @@ -182,6 +200,25 @@ public class SortedCursor extends AbstractCursor { return bc; } + /** + * Creates a dotted name string using the bean property names. + */ + private static String chainToBeanString(ChainedProperty property) { + int count = property.getChainCount(); + if (count <= 0) { + return property.getPrimeProperty().getBeanName(); + } + + StringBuilder b = new StringBuilder(); + b.append(property.getPrimeProperty().getBeanName()); + for (int i=0; i mCursor; /** Buffer to store and sort results */ diff --git a/src/main/java/com/amazon/carbonado/info/ChainedProperty.java b/src/main/java/com/amazon/carbonado/info/ChainedProperty.java index 65151e8..24a30cf 100644 --- a/src/main/java/com/amazon/carbonado/info/ChainedProperty.java +++ b/src/main/java/com/amazon/carbonado/info/ChainedProperty.java @@ -562,11 +562,8 @@ public class ChainedProperty implements Serializable, Append appendPropTo(app, mPrime.getName(), isOuterJoin(0)); StorableProperty[] chain = mChain; if (chain != null) { - app.append('.'); for (int i=0; i 0) { - app.append('.'); - } + app.append('.'); appendPropTo(app, chain[i].getName(), isOuterJoin(i + 1)); } } diff --git a/src/main/java/com/amazon/carbonado/info/StorableIntrospector.java b/src/main/java/com/amazon/carbonado/info/StorableIntrospector.java index fdfb51f..94b391e 100644 --- a/src/main/java/com/amazon/carbonado/info/StorableIntrospector.java +++ b/src/main/java/com/amazon/carbonado/info/StorableIntrospector.java @@ -624,7 +624,7 @@ public class StorableIntrospector { String sig = createSig(readMethod); if (storableProp.isDerived() || methods.containsKey(sig)) { methods.remove(sig); - properties.put(property.getName(), storableProp); + properties.put(storableProp.getName(), storableProp); } else { continue; } @@ -634,7 +634,7 @@ public class StorableIntrospector { String sig = createSig(writeMethod); if (storableProp.isDerived() || methods.containsKey(sig)) { methods.remove(sig); - properties.put(property.getName(), storableProp); + properties.put(storableProp.getName(), storableProp); } else { continue; } @@ -1594,6 +1594,7 @@ public class StorableIntrospector { private final boolean mAutomatic; private final boolean mIsDerived; private final String mName; + private final String mBeanName; // Temporary reference until derived from is resolved. private Derived mDerived; @@ -1635,13 +1636,18 @@ public class StorableIntrospector { mAutomatic = automatic; mIsDerived = derived != null; mDerived = derived; - mName = name == null ? mBeanProperty.getName() : name; + mBeanName = mBeanProperty.getName(); + mName = name == null ? mBeanName : name; } public final String getName() { return mName; } + public final String getBeanName() { + return mBeanName; + } + public final Class getType() { return mBeanProperty.getType(); } diff --git a/src/main/java/com/amazon/carbonado/info/StorableProperty.java b/src/main/java/com/amazon/carbonado/info/StorableProperty.java index 0d77481..38418ec 100644 --- a/src/main/java/com/amazon/carbonado/info/StorableProperty.java +++ b/src/main/java/com/amazon/carbonado/info/StorableProperty.java @@ -31,10 +31,19 @@ import com.amazon.carbonado.util.Appender; */ public interface StorableProperty extends Serializable, Appender { /** - * Returns the name of this property. + * Returns the name of this property, which is the same as the bean name + * unless it has been {@link com.amazon.carbonado.Name renamed}. */ String getName(); + /** + * Returns the bean name of this property, which is derived from the read + * and write method names. + * + * @since 1.2 + */ + String getBeanName(); + /** * Returns the type of this property. */ diff --git a/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java b/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java index d14818a..e775cc9 100644 --- a/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java +++ b/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java @@ -1183,6 +1183,10 @@ public class JDBCStorableIntrospector extends StorableIntrospector { return mMainProperty.getName(); } + public String getBeanName() { + return mMainProperty.getBeanName(); + } + public Class getType() { return mMainProperty.getType(); } diff --git a/src/main/java/com/amazon/carbonado/synthetic/SyntheticStorableBuilder.java b/src/main/java/com/amazon/carbonado/synthetic/SyntheticStorableBuilder.java index 98b7dad..2a58f93 100644 --- a/src/main/java/com/amazon/carbonado/synthetic/SyntheticStorableBuilder.java +++ b/src/main/java/com/amazon/carbonado/synthetic/SyntheticStorableBuilder.java @@ -34,6 +34,7 @@ import com.amazon.carbonado.AlternateKeys; import com.amazon.carbonado.Index; import com.amazon.carbonado.Indexes; import com.amazon.carbonado.Key; +import com.amazon.carbonado.Name; import com.amazon.carbonado.Nullable; import com.amazon.carbonado.PrimaryKey; import com.amazon.carbonado.Storable; @@ -455,6 +456,13 @@ public class SyntheticStorableBuilder property.getReadMethodName(), propertyType, null); + + if (property.getName() != null) { + // Define @Name + Annotation ann = mi.addRuntimeVisibleAnnotation(TypeDesc.forClass(Name.class)); + ann.putMemberValue("value", property.getName()); + } + if (property.isNullable()) { mi.addRuntimeVisibleAnnotation(TypeDesc.forClass(Nullable.class)); } -- cgit v1.2.3