/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.amber.field;
import com.caucho.amber.expr.AmberExpr;
import com.caucho.amber.expr.ManyToOneExpr;
import com.caucho.amber.expr.OneToManyExpr;
import com.caucho.amber.expr.PathExpr;
import com.caucho.amber.query.QueryParser;
import com.caucho.amber.table.LinkColumns;
import com.caucho.amber.table.AmberTable;
import com.caucho.amber.type.EntityType;
import com.caucho.amber.type.AmberType;
import com.caucho.bytecode.JType;
import com.caucho.bytecode.JTypeWrapper;
import com.caucho.config.ConfigException;
import com.caucho.java.JavaWriter;
import com.caucho.util.CharBuffer;
import com.caucho.util.L10N;
import javax.persistence.CascadeType;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
/**
* Configuration for a bean's field
*/
public class ManyToManyField extends AssociationField {
private static final L10N L = new L10N(ManyToManyField.class);
private static final Logger log
= Logger.getLogger(ManyToManyField.class.getName());
private String _mapKey;
private EntityType _targetType;
private AmberTable _associationTable;
private LinkColumns _sourceLink;
private LinkColumns _targetLink;
private ArrayList<String> _orderByFields;
private ArrayList<Boolean> _orderByAscending;
public ManyToManyField(EntityType relatedType,
String name,
CascadeType[] cascadeTypes)
throws ConfigException
{
super(relatedType, name, cascadeTypes);
}
public ManyToManyField(EntityType relatedType,
String name)
throws ConfigException
{
this(relatedType, name, null);
}
public ManyToManyField(EntityType relatedType)
{
super(relatedType);
}
public ManyToManyField(EntityType relatedType,
String name,
ManyToManyField source,
CascadeType[] cascadeTypes)
throws ConfigException
{
super(relatedType, name, cascadeTypes);
_targetType = source.getRelatedType();
_associationTable = source._associationTable;
_sourceLink = source._targetLink;
_targetLink = source._sourceLink;
}
/**
* Gets the map key.
*/
public String getMapKey()
{
return _mapKey;
}
/**
* Sets the map key.
*/
public void setMapKey(String mapKey)
{
_mapKey = mapKey;
}
/**
* Sets the target type.
*/
@Override
public void setType(AmberType targetType)
{
_targetType = (EntityType) targetType;
super.setType(targetType);
}
/**
* Returns the source type as
* entity or mapped-superclass.
*/
public EntityType getRelatedType()
{
return (EntityType) getSourceType();
}
/**
* Returns the target type.
*/
@Override
public EntityType getTargetType()
{
return _targetType;
}
/**
* Returns the association table
*/
public AmberTable getAssociationTable()
{
return _associationTable;
}
/**
* Sets the association table
*/
public void setAssociationTable(AmberTable table)
{
_associationTable = table;
}
/**
* Adds a column from the association table to the source side.
*/
public void setSourceLink(LinkColumns link)
{
_sourceLink = link;
}
/**
* Returns the source link.
*/
public LinkColumns getSourceLink()
{
return _sourceLink;
}
/**
* Adds a column from the association table to the target side.
*/
public void setTargetLink(LinkColumns link)
{
_targetLink = link;
}
/**
* Returns the target link.
*/
public LinkColumns getTargetLink()
{
return _targetLink;
}
/**
* Sets the order by.
*/
public void setOrderBy(ArrayList<String> orderByFields,
ArrayList<Boolean> orderByAscending)
{
_orderByFields = orderByFields;
_orderByAscending = orderByAscending;
}
/**
* Initializes the field.
*/
@Override
public void init()
throws ConfigException
{
// XXX: might not have cascade delete if there's an associated entity
_targetLink.setSourceCascadeDelete(true);
_sourceLink.setSourceCascadeDelete(true);
}
/**
* Generates the set clause.
*/
@Override
public void generateStatementSet(JavaWriter out, String pstmt,
String obj, String index)
throws IOException
{
}
/**
* Generates the select clause.
*/
@Override
public String generateLoadSelect(String id)
{
return null;
}
/**
* Generates loading code after the basic fields.
*/
@Override
public int generatePostLoadSelect(JavaWriter out, int index)
throws IOException
{
if (! isLazy()) {
out.println(getGetterName() + "();");
}
return ++index;
}
/**
* Creates the expression for the field.
*/
@Override
public AmberExpr createExpr(QueryParser parser, PathExpr parent)
{
return new ManyToOneExpr(new OneToManyExpr(parser, parent, _sourceLink),
_targetLink);
}
/**
* Updates from the cached copy.
*/
@Override
public void generateCopyLoadObject(JavaWriter out,
String dst, String src,
int loadIndex)
throws IOException
{
// jpa/0s2j
if (dst.equals("item"))
return;
String var = "_caucho_field_" + getGetterName();
// order matters: jpa/0s2k
String value = var; // generateGet(src);
out.println(generateSet(dst, value) + ";");
out.println(generateAccessor(dst, var) + " = " + generateAccessor(src, var) + ";");
if (! dst.equals("super")) { // || isLazy())) {
String oThis = "((" + getRelatedType().getInstanceClassName() + ") " + dst + ")";
out.println(generateSuperSetter(oThis, generateSuperGetter("this")) + ";");
}
}
/**
* Updates the cached copy.
*/
@Override
public void generateMergeFrom(JavaWriter out,
String dst, String src)
throws IOException
{
// jpa/0s2k
int updateIndex = 0;
generateCopyLoadObject(out, dst, src, updateIndex);
out.println();
// jpa/0i61
generatePreCascade(out, "aConn", CascadeType.MERGE);
}
/**
* Generates the target select.
*/
@Override
public String generateTargetSelect(String id)
{
return getTargetType().getId().generateSelect(id);
}
/**
* Generates the select clause.
*/
public String generateTargetLoadSelect(String id)
{
CharBuffer cb = CharBuffer.allocate();
cb.append(getTargetType().getId().generateLoadSelect(id));
String value = getTargetType().generateLoadSelect(id);
if (cb.length() > 0 && value.length() > 0)
cb.append(", ");
cb.append(value);
return cb.close();
}
/**
* Generates the set property.
*/
@Override
public void generateGetterMethod(JavaWriter out)
throws IOException
{
String var = "_caucho_field_" + getGetterName();
boolean isSet = getJavaType().isAssignableTo(Set.class);
boolean isMap = false;
if (!isSet) {
isMap = getJavaType().isAssignableTo(Map.class);
}
JType type = getJavaType();
JType []paramArgs = type.getActualTypeArguments();
JType param = paramArgs.length > 0 ? paramArgs[0] : null;
JType param2 = paramArgs.length > 1 ? paramArgs[1] : null;
// jpa/0l44
String s = "protected ";
String collectionImpl;
if (isSet)
collectionImpl = "com.caucho.amber.collection.SetImpl";
else if (isMap)
collectionImpl = "com.caucho.amber.collection.MapImpl";
else
collectionImpl = "com.caucho.amber.collection.CollectionImpl";
s = s + collectionImpl;
if (param != null) {
s = s + '<' + param.getPrintName();
if (isMap) {
if (param2 != null) {
s = s + ", " + param2.getPrintName();
}
}
s = s + '>';
}
s = s + " " + var;
// jpa/0i5g
out.println("java.util.HashSet<" + getTargetType().getBeanClass().getName() + "> " + var + "_added;");
out.println();
out.println(s + ';');
out.println();
out.println("public " + getJavaTypeName() + " " + getGetterName() + "()");
out.println("{");
out.pushDepth();
out.println("if (" + var + " != null) {");
out.pushDepth();
out.println("if (__caucho_state.isPersist()) {");
out.pushDepth();
out.println(var + ".setSession(__caucho_session);");
out.println("return " + var + ";");
out.popDepth();
out.println("}");
out.println();
// jpa/1622
out.println("if (" + var + ".getSession() != null");
out.println(" && " + var + ".getSession() == __caucho_session)");
out.println(" return " + var + ";");
out.popDepth();
out.println("}");
out.println();
out.println("com.caucho.amber.AmberQuery query = null;");
out.println();
out.println("try {");
out.pushDepth();
out.println("if (__caucho_session == null) {");
out.pushDepth();
String newEmptyCollection = "new " + collectionImpl;
if (param != null) {
newEmptyCollection += "<" + param.getPrintName();
if (isMap) {
newEmptyCollection += ", ";
newEmptyCollection += param2.getPrintName();
}
newEmptyCollection += ">";
}
newEmptyCollection += "(query";
if (isMap) {
newEmptyCollection += "," + getTargetType().getBeanClass().getName();
newEmptyCollection += ".class.getDeclaredMethod(\"get";
String getterMapKey = getMapKey();
getterMapKey = Character.toUpperCase(getterMapKey.charAt(0)) + getterMapKey.substring(1);
newEmptyCollection += getterMapKey; // "getId");
newEmptyCollection += "\", (Class []) null)";
}
newEmptyCollection += ")";
// jpa/0s2k, jpa/1622
out.println("if (" + var + " == null)");
out.println(" " + var + " = " + newEmptyCollection + ";");
// if (! isAbstract())
out.println();
out.println("return " + var + ";");
out.popDepth();
out.println("}");
out.println();
out.print("String sql=\"");
out.print("SELECT c");
out.print(" FROM " + getSourceType().getName() + " o,");
out.print(" IN(o." + getName() + ") c");
out.print(" WHERE ");
out.print(getRelatedType().getId().generateRawWhere("o"));
if (_orderByFields != null) {
out.print(" ORDER BY ");
for (int i = 0; i < _orderByFields.size(); i++) {
if (i != 0)
out.print(", ");
out.print("c." + _orderByFields.get(i));
if (Boolean.FALSE.equals(_orderByAscending.get(i)))
out.print(" DESC");
}
}
out.println("\";");
out.println("query = __caucho_session.prepareQuery(sql);");
out.println("int index = 1;");
getRelatedType().getId().generateSet(out, "query", "index", "this");
// Ex: _caucho_getChildren = new com.caucho.amber.collection.CollectionImpl
out.print(var);
out.print(" = " + newEmptyCollection + ";");
/*
out.pushDepth();
generateAdd(out);
generateRemove(out);
generateClear(out);
// generateSize(out);
out.popDepth();
out.println("};");
*/
out.println();
// jpa/0i5g
out.print(var + "_added = ");
out.println("new java.util.HashSet<" + getTargetType().getBeanClass().getName() + ">();");
if (isMap)
out.print(var + "_added.addAll(" + var + ".values());");
else
out.println(var + "_added.addAll(" + var + ");");
out.println();
out.println("return " + var + ";");
out.popDepth();
out.println("} catch (Exception e) {");
out.println(" throw com.caucho.amber.AmberRuntimeException.create(e);");
out.println("}");
out.popDepth();
out.println("}");
generateAmberAdd(out);
generateAmberRemove(out);
generateAmberRemoveTargetAll(out);
}
/**
* Generates the set property.
*/
private void generateAdd(JavaWriter out)
throws IOException
{
JType type = getJavaType();
JType []paramArgs = type.getActualTypeArguments();
String gType = paramArgs.length > 0 ? paramArgs[0].getPrintName() : "Object";
out.println("public boolean add(" + gType + " o)");
out.println("{");
out.pushDepth();
String ownerType = getRelatedType().getInstanceClassName();
out.println("if (! (o instanceof " + ownerType + "))");
out.println(" throw new java.lang.IllegalArgumentException((o == null ? \"null\" : o.getClass().getName()) + \" must be a " + ownerType + "\");");
out.println(ownerType + " bean = (" + ownerType + ") o;");
// XXX: makePersistent
/*
ArrayList<Column> keyColumns = getKeyColumns();
for (int i = 0; i < keyColumns.size(); i++) {
Column column = keyColumns.get(i);
AbstractProperty prop = column.getProperty();
if (prop != null) {
out.println("bean." + prop.getSetterName() + "(" + ownerType + "__ResinExt.this);");
}
}
*/
out.println("return true;");
out.popDepth();
out.println("}");
}
/**
* Generates the set property.
*/
private void generateRemove(JavaWriter out)
throws IOException
{
JType type = getJavaType();
JType []paramArgs = type.getActualTypeArguments();
String gType = paramArgs.length > 0 ? paramArgs[0].getPrintName() : "Object";
out.println("public boolean remove(" + gType + " o)");
out.println("{");
out.pushDepth();
String ownerType = getSourceType().getInstanceClassName();
out.println("if (! (o instanceof " + ownerType + "))");
out.println(" throw new java.lang.IllegalArgumentException((o == null ? \"null\" : o.getClass().getName()) + \" must be a " + ownerType + "\");");
out.println(ownerType + " bean = (" + ownerType + ") o;");
// XXX: makePersistent
/*
ArrayList<Column> keyColumns = getKeyColumns();
for (int i = 0; i < keyColumns.size(); i++) {
Column column = keyColumns.get(i);
AbstractProperty prop = column.getProperty();
if (prop != null) {
out.println("bean." + prop.getSetterName() + "(null);");
}
}
*/
out.println("return true;");
out.popDepth();
out.println("}");
}
/**
* Generates the clear method.
*/
private void generateClear(JavaWriter out)
throws IOException
{
out.println("public void clear()");
out.println("{");
out.pushDepth();
out.println("if (__caucho_session != null) {");
out.pushDepth();
out.println("try {");
out.pushDepth();
out.println("__caucho_session.flushNoChecks();");
out.print("String sql=\"");
out.print("UPDATE ");
out.print(getSourceType().getName());
out.print(" SET ");
/*
ArrayList<Column> columns = getKeyColumns();
for (int i = 0; i < columns.size(); i++) {
if (i != 0)
out.print(", ");
out.print(columns.get(i).getName());
out.print("=null");
}
*/
out.print(" WHERE ");
/*
for (int i = 0; i < columns.size(); i++) {
if (i != 0)
out.print(" and ");
out.print(columns.get(i).getName());
out.print("=?");
}
*/
out.println("\";");
out.println("com.caucho.amber.AmberQuery query;");
out.println("query = __caucho_session.prepareQuery(sql);");
String ownerType = getSourceType().getInstanceClassName();
out.println("int index = 1;");
getRelatedType().getId().generateSet(out, "query", "index", ownerType + ".this");
out.println("query.executeUpdate();");
out.println("super.clear();");
out.popDepth();
out.println("} catch (java.sql.SQLException e) {");
out.println(" throw com.caucho.amber.AmberRuntimeException.create(e);");
out.println("}");
out.popDepth();
out.println("} else {");
out.println(" super.clear();");
out.println("}");
out.popDepth();
out.println("}");
}
/**
* Generates the size method.
*/
private void generateSize(JavaWriter out)
throws IOException
{
out.println("public int size()");
out.println("{");
out.pushDepth();
out.println("if (__caucho_session == null || isValid())");
out.println(" return super.size();");
out.println("try {");
out.pushDepth();
out.println("__caucho_session.flushNoChecks();");
out.print("String sql=\"");
out.print("SELECT count(*) FROM ");
out.print(getSourceType().getName());
out.print(" AS o ");
out.print(" WHERE ");
/*
ArrayList<Column> columns = getKeyColumns();
for (int i = 0; i < columns.size(); i++) {
if (i != 0)
out.print(" and ");
out.print("o." + columns.get(i).getName());
out.print("=?");
}
*/
out.println("\";");
out.println("com.caucho.amber.AmberQuery query;");
out.println("query = __caucho_session.prepareQuery(sql);");
out.println("int index = 1;");
// ejb/06h0
getRelatedType().getId().generateSet(out, "query", getSourceType().getInstanceClassName() + ".this", "index"); // "__ResinExt.this", "index");
out.println("java.sql.ResultSet rs = query.executeQuery();");
out.println("if (rs.next())");
out.println(" return rs.getInt(1);");
out.println("else");
out.println(" return 0;");
out.popDepth();
out.println("} catch (java.sql.SQLException e) {");
out.println(" throw com.caucho.amber.AmberRuntimeException.create(e);");
out.println("}");
out.popDepth();
out.println("}");
}
/**
* Generates the (post) cascade operation from
* parent to this child. This field will only
* be cascaded first if the operation can be
* performed with no risk to break FK constraints.
*/
@Override
public void generatePostCascade(JavaWriter out,
String aConn,
CascadeType cascadeType)
throws IOException
{
if (cascadeType != CascadeType.PERSIST
&& cascadeType != CascadeType.REMOVE)
return;
if (isCascade(cascadeType)) {
out.println("if (__caucho_state.ordinal() <= com.caucho.amber.entity.EntityState.P_TRANSACTIONAL.ordinal()) {");
out.pushDepth();
String amberCascade = "__amber_" + getGetterName();
if (cascadeType == CascadeType.PERSIST)
amberCascade += "_add";
else
amberCascade += "_remove";
String getter = "_caucho_field_" + getGetterName(); // generateSuperGetterMethod();
out.println("if (" + getter + " != null) {");
out.pushDepth();
if (cascadeType == CascadeType.PERSIST) {
// XXX: jpa/0i5c
// For now, needs to flush the persist() with many-to-many
// to avoid breaking FK constraints from join tables.
out.println("if (__caucho_state == com.caucho.amber.entity.EntityState.P_PERSISTING)");
out.println(" __caucho_create(__caucho_session, __caucho_home);");
}
out.println();
out.println("for (Object o : " + getter + ") {");
out.pushDepth();
if (cascadeType == CascadeType.PERSIST) {
// jpa/0i60
out.println("((com.caucho.amber.entity.Entity) o).__caucho_flush();");
// jpa/1622
out.println(amberCascade + "(aConn, o);");
}
else
out.println(amberCascade + "(o);");
out.popDepth();
out.println("}");
out.popDepth();
out.println("}");
out.popDepth();
out.println("}");
}
}
/**
* Generates the set property.
*/
public void generateAmberAdd(JavaWriter out)
throws IOException
{
// commented out: jpa/0s2d
// String targetType = getTargetType().getProxyClass().getName();
String targetType = getTargetType().getInstanceClassName();
out.println();
out.println("public boolean" +
" __amber_" + getGetterName() + "_add(com.caucho.amber.manager.AmberConnection aConn, Object o)");
out.println("{");
out.pushDepth();
out.println("if (! (o instanceof " + targetType + "))");
out.println(" return false;");
out.println();
out.println(targetType + " v = (" + targetType + ") o;");
// jpa/0i5g
String varAdded = "_caucho_field_" + getGetterName() + "_added";
out.println();
out.println("if (" + varAdded + " == null)");
out.println(" " + varAdded + " = new java.util.HashSet<" + getTargetType().getBeanClass().getName() + ">();");
out.println("else if (" + varAdded + ".contains(v))");
out.println(" return false;");
out.println();
out.println(varAdded + ".add(v);");
out.println();
out.println("if (aConn == null)");
out.println(" return false;");
out.println();
out.print("String sql = \"INSERT INTO ");
out.print(_associationTable.getName() + " (");
out.print(_sourceLink.generateSelectSQL(null));
out.print(", ");
out.print(_targetLink.generateSelectSQL(null));
out.print(") VALUES (");
int count = (getRelatedType().getId().getKeyCount() +
getTargetType().getId().getKeyCount());
for (int i = 0; i < count; i++) {
if (i != 0)
out.print(", ");
out.print("?");
}
out.println(")\";");
out.println();
out.println("try {");
out.pushDepth();
out.println("java.sql.PreparedStatement pstmt = aConn.prepareInsertStatement(sql, false);");
out.println("int index = 1;");
getRelatedType().getId().generateSet(out, "pstmt", "index", "this");
getTargetType().getId().generateSet(out, "pstmt", "index", "v");
out.println("if (pstmt.executeUpdate() == 1) {");
out.pushDepth();
out.println("aConn.addCompletion(new com.caucho.amber.entity.TableInvalidateCompletion(\"" + _targetLink.getSourceTable().getName() + "\"));");
out.println("return true;");
out.popDepth();
out.println("}");
out.popDepth();
out.println("} catch (Exception e) {");
out.println(" __caucho_log.log(java.util.logging.Level.FINE, e.toString(), e);");
out.println("}");
out.println("return false;");
out.popDepth();
out.println("}");
}
/**
* Generates the remove property.
*/
public void generateAmberRemove(JavaWriter out)
throws IOException
{
// commented out: jpa/0s2d
// String targetType = getTargetType().getProxyClass().getName();
String targetType = getTargetType().getInstanceClassName();
out.println();
out.println("public boolean" +
" __amber_" + getGetterName() + "_remove(Object o)");
out.println("{");
out.pushDepth();
out.println("if (! (o instanceof " + targetType + "))");
out.println(" return false;");
out.println();
out.println(targetType + " v = (" + targetType + ") o;");
out.println();
out.println("if (__caucho_session == null)");
out.println(" return false;");
out.println();
out.print("String sql = \"DELETE FROM ");
out.print(_associationTable.getName() + " WHERE ");
out.print(_sourceLink.generateMatchArgSQL(null));
out.print(" and ");
out.print(_targetLink.generateMatchArgSQL(null));
out.println("\";");
out.println();
out.println("try {");
out.pushDepth();
out.println("java.sql.PreparedStatement pstmt = __caucho_session.prepareStatement(sql);");
out.println("int index = 1;");
getRelatedType().getId().generateSet(out, "pstmt", "index", "this");
getTargetType().getId().generateSet(out, "pstmt", "index", "v");
out.println("if (pstmt.executeUpdate() == 1) {");
out.pushDepth();
out.println("__caucho_session.addCompletion(new com.caucho.amber.entity.TableInvalidateCompletion(\"" + _targetLink.getSourceTable().getName() + "\"));");
out.println("return true;");
out.popDepth();
out.println("}");
out.popDepth();
out.println("} catch (Exception e) {");
out.println(" __caucho_log.log(java.util.logging.Level.FINE, e.toString(), e);");
out.println("}");
out.println("return false;");
out.popDepth();
out.println("}");
}
/**
* Generates the remove property.
*/
public void generateAmberRemoveTargetAll(JavaWriter out)
throws IOException
{
// commented out: jpa/0s2d
// String targetType = getTargetType().getProxyClass().getName();
String targetType = getTargetType().getInstanceClassName();
out.println();
out.println("public boolean" +
" __amber_" + getGetterName() + "_remove_target(Object o)");
out.println("{");
out.pushDepth();
out.println("if (! (o instanceof " + targetType + "))");
out.println(" return false;");
out.println();
out.println(targetType + " v = (" + targetType + ") o;");
out.println();
out.println("if (__caucho_session == null)");
out.println(" return false;");
out.println();
out.print("String sql = \"DELETE FROM ");
out.print(_associationTable.getName() + " WHERE ");
out.print(_targetLink.generateMatchArgSQL(null));
out.println("\";");
out.println();
out.println("try {");
out.pushDepth();
out.println("java.sql.PreparedStatement pstmt = __caucho_session.prepareStatement(sql);");
out.println("int index = 1;");
getTargetType().getId().generateSet(out, "pstmt", "index", "v");
out.println("if (pstmt.executeUpdate() == 1)");
out.println(" return true;");
out.popDepth();
out.println("} catch (Exception e) {");
out.println(" __caucho_log.log(java.util.logging.Level.FINE, e.toString(), e);");
out.println("}");
out.println("return false;");
out.popDepth();
out.println("}");
}
/**
* Generates the set property.
*/
@Override
public void generateSetterMethod(JavaWriter out)
throws IOException
{
// commented out: jpa/0s2i
// JMethod setter = getSetterMethod();
//
// if (setter == null)
// return;
//
// JType type = getGetterMethod().getGenericReturnType();
JType type;
ClassLoader loader
= getSourceType().getPersistenceUnit().getTempClassLoader();
if (! getSourceType().isFieldAccess()) {
type = JTypeWrapper.create(getGetterMethod().getGenericReturnType(),
loader);
}
else {
Field field = EntityType.getField(getBeanClass(), getName());
type = JTypeWrapper.create(field.getGenericType(),
loader);
}
out.println();
// commented out: jpa/0s2i
// out.print("public void " + setter.getName() + "(");
out.print("public void " + getSetterName() + "(");
out.println(type.getPrintName() + " value)");
out.println("{");
out.pushDepth();
out.println("if (" + generateSuperGetter("this") + " == value)");
out.println(" return;");
out.println();
//
// jpa/0s2j needs to generate the following snippet:
//
// _caucho___caucho_get_xAnnualReviews
// = new com.caucho.amber.collection.CollectionImpl<qa.XAnnualReview>(__caucho_session, null);
// _caucho___caucho_get_xAnnualReviews.addAll(0, value);
//
//
// jpa/0s2j:
out.println("try {");
out.pushDepth();
String var = "_caucho_field_" + getGetterName();
out.print(var + " = new ");
type = getJavaType();
boolean isSet = type.isAssignableTo(Set.class);
boolean isMap = false;
if (!isSet) {
isMap = type.isAssignableTo(Map.class);
}
JType []paramArgs = type.getActualTypeArguments();
JType param = paramArgs.length > 0 ? paramArgs[0] : null;
JType param2 = paramArgs.length > 1 ? paramArgs[1] : null;
String collectionImpl;
if (isSet)
collectionImpl = "com.caucho.amber.collection.SetImpl";
else if (isMap)
collectionImpl = "com.caucho.amber.collection.MapImpl";
else
collectionImpl = "com.caucho.amber.collection.CollectionImpl";
out.print(collectionImpl);
if (param != null) {
out.print("<");
out.print(param.getPrintName());
if (isMap) {
if (param2 != null) {
out.print(", ");
out.print(param2.getPrintName());
}
}
out.print(">");
}
out.print("(__caucho_session, null");
if (isMap) {
out.print(", ");
out.print(getTargetType().getBeanClass().getName());
out.print(".class.getDeclaredMethod(\"get");
String getterMapKey = getMapKey();
getterMapKey = Character.toUpperCase(getterMapKey.charAt(0)) + getterMapKey.substring(1);
out.print(getterMapKey); // "getId");
out.print("\")");
}
out.println(");");
out.print(var + ".");
if (isMap) {
out.println("putAll(value);");
}
else {
out.println("addAll(0, value);");
}
out.popDepth();
out.println("} catch(Exception e) {");
out.println(" throw com.caucho.amber.AmberRuntimeException.create(e);");
out.println("}");
out.popDepth();
out.println("}");
}
/**
* Generates code for foreign entity create/delete
*/
@Override
public void generateInvalidateForeign(JavaWriter out)
throws IOException
{
out.println("if (\"" + _sourceLink.getSourceTable().getName() + "\".equals(table)) {");
out.pushDepth();
generateExpire(out);
out.popDepth();
out.println("}");
}
/**
* Generates code for the object expire
*/
@Override
public void generateExpire(JavaWriter out)
throws IOException
{
String var = "_caucho_field_" + getGetterName();
out.println("if (" + var + " != null)");
out.println(" " + var + ".update();");
}
private String generateAccessor(String src, String var)
{
if (src.equals("super"))
return var;
else
return "((" + getRelatedType().getInstanceClassName() + ") " + src + ")." + var;
}
}