com.avaje.ebeaninternal.server.deploy.id.IdBinderEmbedded Maven / Gradle / Ivy
package com.avaje.ebeaninternal.server.deploy.id;
import com.avaje.ebeaninternal.api.SpiExpressionRequest;
import com.avaje.ebeaninternal.server.core.DefaultSqlUpdate;
import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
import com.avaje.ebeaninternal.server.deploy.BeanProperty;
import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocOne;
import com.avaje.ebeaninternal.server.deploy.DbReadContext;
import com.avaje.ebeaninternal.server.deploy.DbSqlContext;
import com.avaje.ebeaninternal.server.query.SplitName;
import com.avaje.ebeaninternal.server.type.DataBind;
import javax.naming.InvalidNameException;
import javax.naming.ldap.LdapName;
import javax.naming.ldap.Rdn;
import javax.persistence.PersistenceException;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.sql.SQLException;
import java.util.List;
/**
* Bind an Id that is an Embedded bean.
*/
public final class IdBinderEmbedded implements IdBinder {
private final BeanPropertyAssocOne embIdProperty;
private final boolean idInExpandedForm;
private BeanProperty[] props;
private BeanDescriptor idDesc;
private String idInValueSql;
public IdBinderEmbedded(boolean idInExpandedForm, BeanPropertyAssocOne embIdProperty) {
this.idInExpandedForm = idInExpandedForm;
this.embIdProperty = embIdProperty;
}
public void initialise() {
this.idDesc = embIdProperty.getTargetDescriptor();
this.props = embIdProperty.getProperties();
this.idInValueSql = idInExpandedForm ? idInExpanded() : idInCompressed();
}
private String idInExpanded() {
StringBuilder sb = new StringBuilder();
sb.append("(");
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(" and ");
}
sb.append(embIdProperty.getName());
sb.append(".");
sb.append(props[i].getName());
sb.append("=?");
}
sb.append(")");
return sb.toString();
}
private String idInCompressed() {
StringBuilder sb = new StringBuilder();
sb.append("(");
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(",");
}
sb.append("?");
}
sb.append(")");
return sb.toString();
}
public String getOrderBy(String pathPrefix, boolean ascending){
StringBuilder sb = new StringBuilder();
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(", ");
}
if (pathPrefix != null){
sb.append(pathPrefix).append(".");
}
sb.append(embIdProperty.getName()).append(".");
sb.append(props[i].getName());
if (!ascending){
sb.append(" desc");
}
}
return sb.toString();
}
public void createLdapNameById(LdapName name, Object id) throws InvalidNameException {
for (int i = 0; i < props.length; i++) {
Object v = props[i].getValue(id);
Rdn rdn = new Rdn(props[i].getDbColumn(), v);
name.add(rdn);
}
}
public void createLdapNameByBean(LdapName name, Object bean) throws InvalidNameException {
Object id = embIdProperty.getValue(bean);
createLdapNameById(name, id);
}
public BeanDescriptor getIdBeanDescriptor() {
return idDesc;
}
public int getPropertyCount() {
return props.length;
}
public String getIdProperty() {
return embIdProperty.getName();
}
public void buildSelectExpressionChain(String prefix, List selectChain) {
prefix = SplitName.add(prefix, embIdProperty.getName());
for (int i = 0; i < props.length; i++) {
props[i].buildSelectExpressionChain(prefix, selectChain);
}
}
public BeanProperty findBeanProperty(String dbColumnName) {
for (int i = 0; i < props.length; i++) {
if (dbColumnName.equalsIgnoreCase(props[i].getDbColumn())) {
return props[i];
}
}
return null;
}
public boolean isComplexId() {
return true;
}
public String getDefaultOrderBy() {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(",");
}
sb.append(embIdProperty.getName());
sb.append(".");
sb.append(props[i].getName());
}
return sb.toString();
}
public BeanProperty[] getProperties() {
return props;
}
public void addIdInBindValue(SpiExpressionRequest request, Object value) {
for (int i = 0; i < props.length; i++) {
request.addBindValue(props[i].getValue(value));
}
}
public String getIdInValueExprDelete(int size) {
if (!idInExpandedForm){
return getIdInValueExpr(size);
}
StringBuilder sb = new StringBuilder();
sb.append("(");
for (int j = 0; j < size; j++) {
if (j > 0){
sb.append(" or ");
}
sb.append("(");
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(" and ");
}
sb.append(props[i].getDbColumn());
sb.append("=?");
}
sb.append(")");
}
sb.append(") ");
return sb.toString();
}
public String getIdInValueExpr(int size) {
StringBuilder sb = new StringBuilder();
if (!idInExpandedForm){
sb.append(" in");
}
sb.append(" (");
for (int i = 0; i < size; i++) {
if (i > 0){
if (idInExpandedForm) {
sb.append(" or ");
} else {
sb.append(",");
}
}
sb.append(idInValueSql);
}
sb.append(") ");
return sb.toString();
}
public String getIdInValueExpr() {
return idInValueSql;
}
/**
* Convert the lucene string term value into embedded id.
*/
public Object readTerm(String idTermValue) {
String[] split = idTermValue.split("|");
if (split.length != props.length){
String msg = "Failed to split ["+idTermValue+"] using | for id.";
throw new PersistenceException(msg);
}
Object embId = idDesc.createVanillaBean();
for (int i = 0; i < props.length; i++) {
Object v = props[i].getScalarType().parse(split[i]);
props[i].setValue(embId, v);
}
return embId;
}
/**
* Write the embedded id as a Lucene string term value.
*/
public String writeTerm(Object idValue) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < props.length; i++) {
Object v = props[i].getValue(idValue);
String formatValue = props[i].getScalarType().format(v);
if (i > 0){
sb.append("|");
}
sb.append(formatValue);
}
return sb.toString();
}
public Object[] getIdValues(Object bean) {
bean = embIdProperty.getValue(bean);
Object[] bindvalues = new Object[props.length];
for (int i = 0; i < props.length; i++) {
bindvalues[i] = props[i].getValue(bean);
}
return bindvalues;
}
public Object[] getBindValues(Object value) {
Object[] bindvalues = new Object[props.length];
for (int i = 0; i < props.length; i++) {
bindvalues[i] = props[i].getValue(value);
}
return bindvalues;
}
public void bindId(DefaultSqlUpdate sqlUpdate, Object value) {
for (int i = 0; i < props.length; i++) {
Object embFieldValue = props[i].getValue(value);
sqlUpdate.addParameter(embFieldValue);
}
}
public void bindId(DataBind dataBind, Object value) throws SQLException {
for (int i = 0; i < props.length; i++) {
Object embFieldValue = props[i].getValue(value);
props[i].bind(dataBind, embFieldValue);
}
}
public Object readData(DataInput dataInput) throws IOException {
Object embId = idDesc.createVanillaBean();
boolean notNull = true;
for (int i = 0; i < props.length; i++) {
Object value = props[i].readData(dataInput);
props[i].setValue(embId, value);
if (value == null) {
notNull = false;
}
}
if (notNull) {
return embId;
} else {
return null;
}
}
public void writeData(DataOutput dataOutput, Object idValue) throws IOException {
for (int i = 0; i < props.length; i++) {
Object embFieldValue = props[i].getValue(idValue);
props[i].writeData(dataOutput, embFieldValue);
}
}
public void loadIgnore(DbReadContext ctx) {
for (int i = 0; i < props.length; i++) {
props[i].loadIgnore(ctx);
}
}
public Object read(DbReadContext ctx) throws SQLException {
Object embId = idDesc.createVanillaBean();
boolean notNull = true;
for (int i = 0; i < props.length; i++) {
Object value = props[i].readSet(ctx, embId, null);
if (value == null) {
notNull = false;
}
}
if (notNull) {
return embId;
} else {
return null;
}
}
public Object readSet(DbReadContext ctx, Object bean) throws SQLException {
Object embId = read(ctx);
if (embId != null) {
embIdProperty.setValue(bean, embId);
return embId;
} else {
return null;
}
}
public void appendSelect(DbSqlContext ctx, boolean subQuery) {
for (int i = 0; i < props.length; i++) {
props[i].appendSelect(ctx, subQuery);
}
}
public String getAssocIdInExpr(String prefix) {
StringBuilder sb = new StringBuilder();
sb.append("(");
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(",");
}
if (prefix != null) {
sb.append(prefix);
sb.append(".");
}
sb.append(props[i].getName());
}
sb.append(")");
return sb.toString();
}
public String getAssocOneIdExpr(String prefix, String operator) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(" and ");
}
if (prefix != null) {
sb.append(prefix);
sb.append(".");
}
sb.append(embIdProperty.getName());
sb.append(".");
sb.append(props[i].getName());
sb.append(operator);
}
return sb.toString();
}
public String getBindIdSql(String baseTableAlias) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(" and ");
}
if (baseTableAlias != null) {
sb.append(baseTableAlias);
sb.append(".");
}
sb.append(props[i].getDbColumn());
sb.append(" = ? ");
}
return sb.toString();
}
public String getBindIdInSql(String baseTableAlias) {
if (idInExpandedForm){
return "";
}
StringBuilder sb = new StringBuilder();
sb.append("(");
for (int i = 0; i < props.length; i++) {
if (i > 0) {
sb.append(",");
}
if (baseTableAlias != null){
sb.append(baseTableAlias);
sb.append(".");
}
sb.append(props[i].getDbColumn());
}
sb.append(")");
return sb.toString();
}
public Object convertSetId(Object idValue, Object bean) {
// can not cast/convert if it is embedded
if (bean != null) {
// support PropertyChangeSupport
embIdProperty.setValueIntercept(bean, idValue);
}
return idValue;
}
}
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