com.mysema.query.sql.dml.AbstractSQLClause Maven / Gradle / Ivy
/*
* Copyright 2011, Mysema Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mysema.query.sql.dml;
import java.sql.*;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import com.google.common.collect.ImmutableList;
import com.mysema.query.QueryMetadata;
import com.mysema.query.dml.DMLClause;
import com.mysema.query.sql.*;
import com.mysema.query.support.QueryBase;
import com.mysema.query.types.ParamExpression;
import com.mysema.query.types.ParamNotSetException;
import com.mysema.query.types.Path;
import org.slf4j.Logger;
import org.slf4j.MDC;
/**
* AbstractSQLClause is a superclass for SQL based DMLClause implementations
*
* @author tiwe
*/
public abstract class AbstractSQLClause> implements DMLClause {
protected final Configuration configuration;
protected final SQLListeners listeners;
protected boolean useLiterals;
protected SQLListenerContextImpl context;
/**
* @param configuration
*/
public AbstractSQLClause(Configuration configuration) {
this.configuration = configuration;
this.listeners = new SQLListeners(configuration.getListeners());
this.useLiterals = configuration.getUseLiterals();
}
/**
* @param listener
*/
public void addListener(SQLListener listener) {
listeners.add(listener);
}
/**
* Called to create and start a new SQL Listener context
*
* @param connection the database connection
* @param metadata the meta data for that context
* @param entity the entity for that context
* @return the newly started context
*/
protected SQLListenerContextImpl startContext(Connection connection, QueryMetadata metadata, RelationalPath> entity) {
SQLListenerContextImpl context = new SQLListenerContextImpl(metadata, connection, entity);
listeners.start(context);
return context;
}
/**
* Called to make the call back to listeners when an exception happens
*
* @param context the current context in play
* @param e the exception
*/
protected void onException(SQLListenerContextImpl context, Exception e) {
context.setException(e);
listeners.exception(context);
}
/**
* Called to end a SQL listener context
*
* @param context the listener context to end
*/
protected void endContext(SQLListenerContextImpl context) {
listeners.end(context);
this.context = null;
}
protected SQLBindings createBindings(QueryMetadata metadata, SQLSerializer serializer) {
String queryString = serializer.toString();
ImmutableList.Builder
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