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Micro Distribution of the Payara Project for IBM JDK
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package com.sun.enterprise.container.common.impl;
import com.sun.enterprise.container.common.spi.util.CallFlowAgent;
import com.sun.enterprise.container.common.spi.util.EntityManagerQueryMethod;
import com.sun.enterprise.container.common.impl.util.DummyCallFlowAgentImpl;
import javax.persistence.*;
import java.util.*;
/**
* Wrapper class for javax.persistence.Query objects returned from
* non-transactional access of a container-managed transactional
* EntityManager. Proxying the Query object allows us to clear persistence
* context after execution to allow for returned objects to be detached
*
*/
public class QueryWrapper implements Query {
private transient CallFlowAgent callFlowAgent;
// Holds current query/em delegates.
protected T queryDelegate;
private EntityManager entityManagerDelegate;
public static Query createQueryWrapper(Query queryDelegate, EntityManager emDelegate) {
return new QueryWrapper(queryDelegate, emDelegate);
}
protected QueryWrapper(T qDelegate, EntityManager emDelegate)
{
queryDelegate = qDelegate;
entityManagerDelegate = emDelegate;
callFlowAgent = new DummyCallFlowAgentImpl(); //TODO get it from ContainerUtil
}
public List getResultList() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_RESULT_LIST);
}
List retVal = queryDelegate.getResultList();
entityManagerDelegate.clear();
return retVal;
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Object getSingleResult() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_SINGLE_RESULT);
}
Object retVal = queryDelegate.getSingleResult();
entityManagerDelegate.clear();
return retVal;
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public int executeUpdate() {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.EXECUTE_UPDATE);
callFlowAgent.entityManagerQueryEnd();
}
throw new TransactionRequiredException("executeUpdate is not supported for a Query object obtained through non-transactional access of a container-managed transactional EntityManager");
}
public Query setMaxResults(int maxResults) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_MAX_RESULTS);
}
if( maxResults < 0 ) {
throw new IllegalArgumentException("maxResult cannot be negative");
}
queryDelegate.setMaxResults(maxResults);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public int getMaxResults() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_MAX_RESULTS);
}
return queryDelegate.getMaxResults();
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Query setFirstResult(int startPosition) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_FIRST_RESULT);
}
if( startPosition < 0 ) {
throw new IllegalArgumentException
("startPosition cannot be negative");
}
queryDelegate.setFirstResult(startPosition);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public int getFirstResult() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_FIRST_RESULT);
}
return queryDelegate.getFirstResult();
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Query setHint(String hintName, Object value) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_HINT);
}
queryDelegate.setHint(hintName, value);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Map getHints() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_HINTS);
}
return queryDelegate.getHints();
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Query setParameter(Parameter param, T value) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_PARAMETER_OBJECT);
}
queryDelegate.setParameter(param, value);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(Parameter param, Date value, TemporalType temporalType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_PARAMETER_DATE_TEMPORAL_TYPE);
}
queryDelegate.setParameter(param, value, temporalType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(Parameter param, Calendar value, TemporalType temporalType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_PARAMETER_CALENDAR_TEMPORAL_TYPE);
}
queryDelegate.setParameter(param, value, temporalType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(String name, Object value) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_STRING_OBJECT);
}
queryDelegate.setParameter(name, value);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(String name, Date value,
TemporalType temporalType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_STRING_DATE_TEMPORAL_TYPE);
}
queryDelegate.setParameter(name, value, temporalType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(String name, Calendar value,
TemporalType temporalType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_STRING_CALENDAR_TEMPORAL_TYPE);
}
queryDelegate.setParameter(name, value, temporalType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(int position, Object value) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_INT_OBJECT);
}
queryDelegate.setParameter(position, value);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(int position, Date value,
TemporalType temporalType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_INT_DATE_TEMPORAL_TYPE);
}
queryDelegate.setParameter(position, value, temporalType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Query setParameter(int position, Calendar value,
TemporalType temporalType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_PARAMETER_INT_CALENDAR_TEMPORAL_TYPE);
}
queryDelegate.setParameter(position, value, temporalType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public Set> getParameters() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETERS);
}
return queryDelegate.getParameters();
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Parameter getParameter(String name) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_NAME);
}
return queryDelegate.getParameter(name);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Parameter getParameter(String name, Class type) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_NAME_TYPE);
}
return queryDelegate.getParameter(name, type);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Parameter getParameter(int position) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_POSITION);
}
return queryDelegate.getParameter(position);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Parameter getParameter(int position, Class type) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_POSITION_CLASS);
}
return queryDelegate.getParameter(position, type);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public boolean isBound(Parameter param) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.IS_BOUND_PARAMETER);
}
return queryDelegate.isBound(param);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public T getParameterValue(Parameter param) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_VALUE_PARAMETER);
}
return queryDelegate.getParameterValue(param);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Object getParameterValue(String name) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_VALUE_STRING);
}
return queryDelegate.getParameterValue(name);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Object getParameterValue(int position) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_PARAMETER_VALUE_INT);
}
return queryDelegate.getParameterValue(position);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Query setFlushMode(FlushModeType flushMode) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_FLUSH_MODE);
}
queryDelegate.setFlushMode(flushMode);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public FlushModeType getFlushMode() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_FLUSH_MODE);
}
return queryDelegate.getFlushMode();
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public Query setLockMode(LockModeType lockModeType) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.SET_LOCK_MODE);
}
queryDelegate.setLockMode(lockModeType);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
return this;
}
public LockModeType getLockMode() {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.GET_LOCK_MODE);
}
return queryDelegate.getLockMode();
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
public T unwrap(Class tClass) {
try {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryStart(EntityManagerQueryMethod.UNWRAP);
}
return queryDelegate.unwrap(tClass);
} finally {
if(callFlowAgent.isEnabled()) {
callFlowAgent.entityManagerQueryEnd();
}
}
}
}
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