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[Hibernate-commits] Hibernate/cirrus/hibernate/type ComponentType.java,1.44,1.45
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From: <one...@us...> - 2002-11-09 01:38:10
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Update of /cvsroot/hibernate/Hibernate/cirrus/hibernate/type
In directory usw-pr-cvs1:/tmp/cvs-serv6168/hibernate/type
Modified Files:
ComponentType.java
Log Message:
committed Jon Lipsky's patch to allow components with private constructors
Index: ComponentType.java
===================================================================
RCS file: /cvsroot/hibernate/Hibernate/cirrus/hibernate/type/ComponentType.java,v
retrieving revision 1.44
retrieving revision 1.45
diff -C2 -d -r1.44 -r1.45
*** ComponentType.java 27 Oct 2002 18:30:56 -0000 1.44
--- ComponentType.java 9 Nov 2002 01:38:06 -0000 1.45
***************
*** 1,275 ****
! //$Id$
! package cirrus.hibernate.type;
!
! import java.io.Serializable;
! import java.lang.reflect.Method;
! import java.sql.PreparedStatement;
! import java.sql.ResultSet;
! import java.sql.SQLException;
!
! import cirrus.hibernate.HibernateException;
! import cirrus.hibernate.InstantiationException;
! import cirrus.hibernate.MappingException;
! import cirrus.hibernate.engine.Cascades;
! import cirrus.hibernate.engine.Mapping;
! import cirrus.hibernate.engine.SessionFactoryImplementor;
! import cirrus.hibernate.engine.SessionImplementor;
! import cirrus.hibernate.helpers.ArrayHelper;
! import cirrus.hibernate.helpers.ReflectHelper;
!
! public class ComponentType extends AbstractType implements AbstractComponentType {
!
! private final Class componentClass;
! private final Type[] types;
! private final Method[] getters;
! private final Method[] setters;
! private final String[] propertyNames;
! private final Cascades.CascadeStyle[] cascade;
! private final int propertySpan;
! private final int[] joinedFetch;
! private final String parentProperty;
! private final Method parentSetter;
!
! public int[] sqlTypes(Mapping pi) throws MappingException {
! //Not called at runtime so doesn't matter if its slow :)
! int[] sqlTypes = new int[ getColumnSpan(pi) ];
! int n=0;
! for ( int i=0; i<propertySpan; i++ ) {
! int[] subtypes = types[i].sqlTypes(pi);
! for ( int j=0; j<subtypes.length; j++ ) {
! sqlTypes[n++] = subtypes[j];
! }
! }
! return sqlTypes;
! }
!
! public int getColumnSpan(Mapping pi) throws MappingException {
! int span = 0;
! for ( int i=0; i<types.length; i++ ) {
! span += types[i].getColumnSpan(pi);
! }
! return span;
! }
!
! public ComponentType(
! Class componentClass,
! Type[] types,
! String[] properties,
! int[] joinedFetch,
! Cascades.CascadeStyle[]
! cascade,
! String parentProperty,
! boolean embedded
! ) throws MappingException {
!
! this.componentClass = componentClass;
! this.types = types;
! propertySpan = properties.length;
! getters = new Method[propertySpan];
! setters = new Method[propertySpan];
! for ( int i=0; i<properties.length; i++ ) {
! getters[i] = ReflectHelper.getGetterMethod( componentClass, properties[i] );
! setters[i] = ReflectHelper.getSetterMethod( componentClass, properties[i] );
! }
! this.parentSetter = (parentProperty==null) ? null : ReflectHelper.getSetterMethod(componentClass, parentProperty);
! this.parentProperty = parentProperty;
! this.propertyNames = properties;
! this.cascade = cascade;
! this.joinedFetch = joinedFetch;
! }
!
! public boolean isPersistentCollectionType() {
! return false;
! }
! public final boolean isComponentType() {
! return true;
! }
! public final boolean isEntityType() {
! return false;
! }
!
! public Class returnedClass() {
! return componentClass;
! }
!
! public boolean equals(Object x, Object y) throws HibernateException {
! if (x==y) return true;
! if (x==null || y==null) return false;
! for ( int i=0; i<getters.length; i++ ) {
! try {
! if ( !types[i].equals( getters[i].invoke(x, null), getters[i].invoke(y, null) ) ) return false;
! }
! catch (Exception e) {
! throw new HibernateException( "Could not compare component property values: " + componentClass.getName() );
! }
! }
! return true;
! }
!
! public boolean isDirty(Object x, Object y, Object owner, SessionFactoryImplementor factory) throws HibernateException {
! if (x==y) return false;
! if (x==null || y==null) return true;
! for ( int i=0; i<getters.length; i++ ) {
! try {
! if ( types[i].isDirty( getters[i].invoke(x, null), getters[i].invoke(y, null), owner, factory ) ) return true;
! }
! catch (Exception e) {
! throw new HibernateException( "Could not compare component property values: " + componentClass.getName() );
! }
! }
! return false;
! }
!
! public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner)
! throws HibernateException, SQLException {
!
! int begin=0;
! boolean notNull=false;
! Object[] values = new Object[propertySpan];
! for ( int i=0; i<propertySpan; i++ ) {
! int length = types[i].getColumnSpan( session.getFactory() );
! String[] range = ArrayHelper.slice(names, begin, length); //cache this
! Object val = types[i].nullSafeGet(rs, range, session, owner);
! if (val!=null) notNull=true;
! values[i] = val;
! begin+=length;
! }
!
! if (notNull) {
! Object result = instantiate(owner);
! for ( int i=0; i<propertySpan; i++ ) {
! ReflectHelper.set( setters[i], result, values[i], componentClass, propertyNames[i] );
! }
! return result;
! }
! else {
! return null;
! }
! }
!
! public void nullSafeSet(PreparedStatement st, Object value, int begin, SessionImplementor session)
! throws HibernateException, SQLException {
!
! Object[] subvalues = nullSafeGetValues(value);
!
! for ( int i=0; i<propertySpan; i++ ) {
! types[i].nullSafeSet(st, subvalues[i], begin, session);
! begin += types[i].getColumnSpan( session.getFactory() );
! }
! }
!
! private Object[] nullSafeGetValues(Object value) throws HibernateException {
! if ( value==null ) {
! return new Object[propertySpan];
! }
! else {
! return getPropertyValues(value);
! }
! }
!
! public Object nullSafeGet(ResultSet rs, String name, SessionImplementor session, Object owner)
! throws HibernateException, SQLException {
!
! return nullSafeGet(rs, new String[] {name}, session, owner);
! }
!
! public Object getPropertyValue(Object component, int i) throws HibernateException {
! return ReflectHelper.get( getters[i], component, componentClass, propertyNames[i] );
! }
!
! public Object[] getPropertyValues(Object component) throws HibernateException {
! Object[] values = new Object[propertySpan];
! for ( int i=0; i<propertySpan; i++ ) {
! values[i] = getPropertyValue(component, i);
! }
! return values;
! }
!
! public void setPropertyValues(Object component, Object[] values) throws HibernateException {
! for ( int i=0; i<propertySpan; i++ ) {
! ReflectHelper.set( setters[i], component, values[i], componentClass, propertyNames[i] );
! }
! }
! public Type[] getSubtypes() {
! return types;
! }
!
public String getName() { return componentClass.getName(); }
! public String toXML(Object value, SessionFactoryImplementor factory) {
! return (value==null) ? null : value.toString();
! }
! public String[] getPropertyNames() {
! return propertyNames;
! }
!
! public Object deepCopy(Object component) throws HibernateException {
! if (component==null) return null;
!
! Object[] values = getPropertyValues(component);
! for ( int i=0; i<propertySpan; i++ ) {
! values[i] = types[i].deepCopy( values[i] );
! }
! Object result = instantiate(null); //TODO: note that this doesn't copy reference to parent. Is that okay??
! setPropertyValues(result, values);
! return result;
! }
!
! public Object instantiate(Object parent) throws HibernateException {
! try {
! Object inst = componentClass.newInstance();
! if (parentSetter!=null) ReflectHelper.set(parentSetter, inst, parent, componentClass, parentProperty);
! return inst;
! }
! catch (Exception e) {
! throw new InstantiationException("Could not instantiate component ", componentClass, e);
! }
! }
!
! public Cascades.CascadeStyle cascade(int i) {
! return cascade[i];
! }
!
! public boolean isMutable() {
! return true;
! }
!
! public Serializable disassemble(Object value, SessionImplementor session)
! throws HibernateException {
!
! if (value==null) {
! return null;
! }
! else {
! Object[] values = getPropertyValues(value);
! for ( int i=0; i<types.length; i++ ) {
! values[i] = types[i].disassemble(values[i], session);
! }
! return values;
! }
! }
!
! public Object assemble(Serializable object, SessionImplementor session, Object owner) throws HibernateException, SQLException {
! if ( object==null ) {
! return null;
! }
! else {
! Object[] values = (Object[]) object;
! Object[] assembled = new Object[values.length];
! for ( int i=0; i<types.length; i++ ) {
! assembled[i] = types[i].assemble( (Serializable) values[i], session, owner );
! }
! Object result = instantiate(owner);
! setPropertyValues(result, assembled);
! return result;
! }
! }
!
! public boolean hasNiceEquals() {
! return false;
! }
!
! public int enableJoinedFetch(int i) {
! return joinedFetch[i];
! }
!
! }
!
--- 1,277 ----
! //$Id$
! package cirrus.hibernate.type;
!
! import java.io.Serializable;
! import java.lang.reflect.Constructor;
! import java.lang.reflect.Method;
! import java.sql.PreparedStatement;
! import java.sql.ResultSet;
! import java.sql.SQLException;
!
! import cirrus.hibernate.HibernateException;
! import cirrus.hibernate.InstantiationException;
! import cirrus.hibernate.MappingException;
! import cirrus.hibernate.engine.Cascades;
! import cirrus.hibernate.engine.Mapping;
! import cirrus.hibernate.engine.SessionFactoryImplementor;
! import cirrus.hibernate.engine.SessionImplementor;
! import cirrus.hibernate.helpers.ArrayHelper;
! import cirrus.hibernate.helpers.ReflectHelper;
!
! public class ComponentType extends AbstractType implements AbstractComponentType {
!
! private final Class componentClass;
! private final Type[] types;
! private final Method[] getters;
! private final Method[] setters;
! private final String[] propertyNames;
! private final Cascades.CascadeStyle[] cascade;
! private final int propertySpan;
! private final int[] joinedFetch;
! private final String parentProperty;
! private final Method parentSetter;
!
! public int[] sqlTypes(Mapping pi) throws MappingException {
! //Not called at runtime so doesn't matter if its slow :)
! int[] sqlTypes = new int[ getColumnSpan(pi) ];
! int n=0;
! for ( int i=0; i<propertySpan; i++ ) {
! int[] subtypes = types[i].sqlTypes(pi);
! for ( int j=0; j<subtypes.length; j++ ) {
! sqlTypes[n++] = subtypes[j];
! }
! }
! return sqlTypes;
! }
!
! public int getColumnSpan(Mapping pi) throws MappingException {
! int span = 0;
! for ( int i=0; i<types.length; i++ ) {
! span += types[i].getColumnSpan(pi);
! }
! return span;
! }
!
! public ComponentType(
! Class componentClass,
! Type[] types,
! String[] properties,
! int[] joinedFetch,
! Cascades.CascadeStyle[]
! cascade,
! String parentProperty,
! boolean embedded
! ) throws MappingException {
!
! this.componentClass = componentClass;
! this.types = types;
! propertySpan = properties.length;
! getters = new Method[propertySpan];
! setters = new Method[propertySpan];
! for ( int i=0; i<properties.length; i++ ) {
! getters[i] = ReflectHelper.getGetterMethod( componentClass, properties[i] );
! setters[i] = ReflectHelper.getSetterMethod( componentClass, properties[i] );
! }
! this.parentSetter = (parentProperty==null) ? null : ReflectHelper.getSetterMethod(componentClass, parentProperty);
! this.parentProperty = parentProperty;
! this.propertyNames = properties;
! this.cascade = cascade;
! this.joinedFetch = joinedFetch;
! }
!
! public boolean isPersistentCollectionType() {
! return false;
! }
! public final boolean isComponentType() {
! return true;
! }
! public final boolean isEntityType() {
! return false;
! }
!
! public Class returnedClass() {
! return componentClass;
! }
!
! public boolean equals(Object x, Object y) throws HibernateException {
! if (x==y) return true;
! if (x==null || y==null) return false;
! for ( int i=0; i<getters.length; i++ ) {
! try {
! if ( !types[i].equals( getters[i].invoke(x, null), getters[i].invoke(y, null) ) ) return false;
! }
! catch (Exception e) {
! throw new HibernateException( "Could not compare component property values: " + componentClass.getName() );
! }
! }
! return true;
! }
!
! public boolean isDirty(Object x, Object y, Object owner, SessionFactoryImplementor factory) throws HibernateException {
! if (x==y) return false;
! if (x==null || y==null) return true;
! for ( int i=0; i<getters.length; i++ ) {
! try {
! if ( types[i].isDirty( getters[i].invoke(x, null), getters[i].invoke(y, null), owner, factory ) ) return true;
! }
! catch (Exception e) {
! throw new HibernateException( "Could not compare component property values: " + componentClass.getName() );
! }
! }
! return false;
! }
!
! public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner)
! throws HibernateException, SQLException {
!
! int begin=0;
! boolean notNull=false;
! Object[] values = new Object[propertySpan];
! for ( int i=0; i<propertySpan; i++ ) {
! int length = types[i].getColumnSpan( session.getFactory() );
! String[] range = ArrayHelper.slice(names, begin, length); //cache this
! Object val = types[i].nullSafeGet(rs, range, session, owner);
! if (val!=null) notNull=true;
! values[i] = val;
! begin+=length;
! }
!
! if (notNull) {
! Object result = instantiate(owner);
! for ( int i=0; i<propertySpan; i++ ) {
! ReflectHelper.set( setters[i], result, values[i], componentClass, propertyNames[i] );
! }
! return result;
! }
! else {
! return null;
! }
! }
!
! public void nullSafeSet(PreparedStatement st, Object value, int begin, SessionImplementor session)
! throws HibernateException, SQLException {
!
! Object[] subvalues = nullSafeGetValues(value);
!
! for ( int i=0; i<propertySpan; i++ ) {
! types[i].nullSafeSet(st, subvalues[i], begin, session);
! begin += types[i].getColumnSpan( session.getFactory() );
! }
! }
!
! private Object[] nullSafeGetValues(Object value) throws HibernateException {
! if ( value==null ) {
! return new Object[propertySpan];
! }
! else {
! return getPropertyValues(value);
! }
! }
!
! public Object nullSafeGet(ResultSet rs, String name, SessionImplementor session, Object owner)
! throws HibernateException, SQLException {
!
! return nullSafeGet(rs, new String[] {name}, session, owner);
! }
!
! public Object getPropertyValue(Object component, int i) throws HibernateException {
! return ReflectHelper.get( getters[i], component, componentClass, propertyNames[i] );
! }
!
! public Object[] getPropertyValues(Object component) throws HibernateException {
! Object[] values = new Object[propertySpan];
! for ( int i=0; i<propertySpan; i++ ) {
! values[i] = getPropertyValue(component, i);
! }
! return values;
! }
!
! public void setPropertyValues(Object component, Object[] values) throws HibernateException {
! for ( int i=0; i<propertySpan; i++ ) {
! ReflectHelper.set( setters[i], component, values[i], componentClass, propertyNames[i] );
! }
! }
! public Type[] getSubtypes() {
! return types;
! }
!
public String getName() { return componentClass.getName(); }
! public String toXML(Object value, SessionFactoryImplementor factory) {
! return (value==null) ? null : value.toString();
! }
! public String[] getPropertyNames() {
! return propertyNames;
! }
!
! public Object deepCopy(Object component) throws HibernateException {
! if (component==null) return null;
!
! Object[] values = getPropertyValues(component);
! for ( int i=0; i<propertySpan; i++ ) {
! values[i] = types[i].deepCopy( values[i] );
! }
! Object result = instantiate(null); //TODO: note that this doesn't copy reference to parent. Is that okay??
! setPropertyValues(result, values);
! return result;
! }
!
! public Object instantiate(Object parent) throws HibernateException {
! try {
! Constructor constructor = ReflectHelper.getDefaultConstructor(componentClass);
! Object inst = constructor.newInstance(null);
! if (parentSetter!=null) ReflectHelper.set(parentSetter, inst, parent, componentClass, parentProperty);
! return inst;
! }
! catch (Exception e) {
! throw new InstantiationException("Could not instantiate component ", componentClass, e);
! }
! }
!
! public Cascades.CascadeStyle cascade(int i) {
! return cascade[i];
! }
!
! public boolean isMutable() {
! return true;
! }
!
! public Serializable disassemble(Object value, SessionImplementor session)
! throws HibernateException {
!
! if (value==null) {
! return null;
! }
! else {
! Object[] values = getPropertyValues(value);
! for ( int i=0; i<types.length; i++ ) {
! values[i] = types[i].disassemble(values[i], session);
! }
! return values;
! }
! }
!
! public Object assemble(Serializable object, SessionImplementor session, Object owner) throws HibernateException, SQLException {
! if ( object==null ) {
! return null;
! }
! else {
! Object[] values = (Object[]) object;
! Object[] assembled = new Object[values.length];
! for ( int i=0; i<types.length; i++ ) {
! assembled[i] = types[i].assemble( (Serializable) values[i], session, owner );
! }
! Object result = instantiate(owner);
! setPropertyValues(result, assembled);
! return result;
! }
! }
!
! public boolean hasNiceEquals() {
! return false;
! }
!
! public int enableJoinedFetch(int i) {
! return joinedFetch[i];
! }
!
! }
!
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