package com.avaje.ebeaninternal.server.deploy;
import java.io.IOException;
import java.sql.SQLException;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.avaje.ebean.bean.EntityBean;
import com.avaje.ebean.config.ScalarTypeConverter;
import com.avaje.ebean.text.json.EJson;
import com.avaje.ebeaninternal.server.deploy.meta.DeployBeanPropertyCompound;
import com.avaje.ebeaninternal.server.el.ElPropertyChainBuilder;
import com.avaje.ebeaninternal.server.el.ElPropertyValue;
import com.avaje.ebeaninternal.server.query.SqlBeanLoad;
import com.avaje.ebeaninternal.server.text.json.WriteJson;
import com.avaje.ebeaninternal.server.type.CtCompoundProperty;
import com.avaje.ebeaninternal.server.type.CtCompoundPropertyElAdapter;
import com.avaje.ebeaninternal.server.type.CtCompoundType;
import com.fasterxml.jackson.core.JsonParser;
/**
* Property mapped to an Immutable Compound Value Object.
* <p>
* An Immutable Compound Value Object is similar to an Embedded bean but it
* doesn't require enhancement and MUST be treated as an Immutable type.
* </p>
*/
public class BeanPropertyCompound extends BeanProperty {
private final CtCompoundType<?> compoundType;
/**
* Type Converter for scala.Option and similar type wrapping.
*/
@SuppressWarnings("rawtypes")
private final ScalarTypeConverter typeConverter;
private final BeanProperty[] scalarProperties;
private final LinkedHashMap<String, BeanProperty> propertyMap = new LinkedHashMap<String, BeanProperty>();
private final LinkedHashMap<String, CtCompoundPropertyElAdapter> nonScalarMap = new LinkedHashMap<String, CtCompoundPropertyElAdapter>();
private final BeanPropertyCompoundRoot root;
/**
* Create the property.
*/
public BeanPropertyCompound(BeanDescriptorMap owner, BeanDescriptor<?> descriptor, DeployBeanPropertyCompound deploy) {
super(owner, descriptor, deploy);
this.compoundType = deploy.getCompoundType();
this.typeConverter = deploy.getTypeConverter();
this.root = deploy.getFlatProperties(owner, descriptor);
this.scalarProperties = root.getScalarProperties();
for (int i = 0; i < scalarProperties.length; i++) {
propertyMap.put(scalarProperties[i].getName(), scalarProperties[i]);
}
List<CtCompoundProperty> nonScalarPropsList = root.getNonScalarProperties();
for (int i = 0; i < nonScalarPropsList.size(); i++) {
CtCompoundProperty ctProp = nonScalarPropsList.get(i);
CtCompoundPropertyElAdapter adapter = new CtCompoundPropertyElAdapter(ctProp);
nonScalarMap.put(ctProp.getRelativeName(), adapter);
}
}
@Override
public void initialise() {
// do nothing for normal BeanProperty
if (!isTransient && compoundType == null) {
String msg = "No cvoInternalType assigned to " + descriptor.getFullName() + "." + getName();
throw new RuntimeException(msg);
}
}
@Override
public void setDeployOrder(int deployOrder) {
this.deployOrder = deployOrder;
for (CtCompoundPropertyElAdapter adapter : nonScalarMap.values()) {
adapter.setDeployOrder(deployOrder);
}
}
/**
* Get the underlying compound type.
*/
@SuppressWarnings("unchecked")
public Object getValueUnderlying(EntityBean bean) {
Object value = getValue(bean);
if (typeConverter != null){
value = typeConverter.unwrapValue(value);
}
return value;
}
public ElPropertyValue buildElPropertyValue(String propName, String remainder, ElPropertyChainBuilder chain, boolean propertyDeploy) {
if (chain == null) {
chain = new ElPropertyChainBuilder(true, propName);
}
// first add this property
chain.add(this);
// handle all the rest of the chain handled by the
// BeanProperty (all depth for nested compound type)
BeanProperty p = propertyMap.get(remainder);
if (p != null) {
return chain.add(p).build();
}
CtCompoundPropertyElAdapter elAdapter = nonScalarMap.get(remainder);
if (elAdapter == null) {
throw new RuntimeException("property [" + remainder + "] not found in " + getFullBeanName());
}
return chain.add(elAdapter).build();
}
@Override
public void appendSelect(DbSqlContext ctx, boolean subQuery) {
if (!isTransient) {
for (int i = 0; i < scalarProperties.length; i++) {
scalarProperties[i].appendSelect(ctx, subQuery);
}
}
}
public BeanProperty[] getScalarProperties() {
return scalarProperties;
}
@Override
public Object readSet(DbReadContext ctx, EntityBean bean, Class<?> type) throws SQLException {
boolean assignable = (type == null || owningType.isAssignableFrom(type));
Object v = compoundType.read(ctx.getDataReader());
if (assignable) {
setValue(bean, v);
}
return v;
}
/**
* Read the data from the resultSet effectively ignoring it and returning
* null.
*/
@SuppressWarnings("unchecked")
@Override
public Object read(DbReadContext ctx) throws SQLException {
Object v = compoundType.read(ctx.getDataReader());
if (typeConverter != null){
v = typeConverter.wrapValue(v);
}
return v;
}
@Override
public void loadIgnore(DbReadContext ctx) {
compoundType.loadIgnore(ctx.getDataReader());
}
@Override
public void load(SqlBeanLoad sqlBeanLoad) throws SQLException {
sqlBeanLoad.load(this);
}
@Override
public Object elGetReference(EntityBean bean) {
return bean;
}
public void jsonWrite(WriteJson ctx, EntityBean bean) throws IOException {
if (!jsonSerialize) {
return;
}
Object value = getValueIntercept(bean);
if (value == null) {
ctx.writeNull(name);
} else {
compoundType.jsonWrite(ctx, value, name);
}
}
public void jsonRead(JsonParser ctx, EntityBean bean) throws IOException {
if (!jsonDeserialize) {
return;
}
Object value = EJson.parse(ctx);
if (value == null) {
setValue(bean, null);
} else {
@SuppressWarnings("unchecked")
Map<String,Object> map = (Map<String,Object>)value;
Object objValue = compoundType.jsonConvert(map);
setValue(bean, objValue);
}
}
}