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An JDBC datasource implementation.
/*
* Copyright 1999-2017 Alibaba Group Holding 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.alibaba.druid.sql.ast.statement;
import com.alibaba.druid.sql.ast.*;
import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
import java.util.ArrayList;
import java.util.List;
public class SQLReplaceStatement extends SQLStatementImpl {
protected boolean lowPriority;
protected boolean delayed;
protected SQLExprTableSource tableSource;
protected final List columns = new ArrayList();
protected List valuesList = new ArrayList();
protected SQLQueryExpr query;
protected List hints;
protected List partitions;
public SQLName getTableName() {
if (tableSource == null) {
return null;
}
return (SQLName) tableSource.getExpr();
}
public void setTableName(SQLName tableName) {
this.setTableSource(new SQLExprTableSource(tableName));
}
public SQLExprTableSource getTableSource() {
return tableSource;
}
public void setTableSource(SQLExprTableSource tableSource) {
if (tableSource != null) {
tableSource.setParent(this);
}
this.tableSource = tableSource;
}
public List getColumns() {
return columns;
}
public void addColumn(SQLExpr column) {
if (column != null) {
column.setParent(this);
}
this.columns.add(column);
}
public boolean isLowPriority() {
return lowPriority;
}
public void setLowPriority(boolean lowPriority) {
this.lowPriority = lowPriority;
}
public boolean isDelayed() {
return delayed;
}
public void setDelayed(boolean delayed) {
this.delayed = delayed;
}
public SQLQueryExpr getQuery() {
return query;
}
public void setQuery(SQLQueryExpr query) {
if (query != null) {
query.setParent(this);
}
this.query = query;
}
public List getValuesList() {
return valuesList;
}
@Override
public SQLStatement clone() {
SQLReplaceStatement x = new SQLReplaceStatement();
x.setDbType(this.dbType);
if (headHints != null) {
for (SQLCommentHint h : headHints) {
SQLCommentHint clone = h.clone();
clone.setParent(x);
x.headHints.add(clone);
}
}
if (hints != null && !hints.isEmpty()) {
for (SQLCommentHint h : hints) {
SQLCommentHint clone = h.clone();
clone.setParent(x);
x.getHints().add(clone);
}
}
x.lowPriority = this.lowPriority;
x.delayed = this.delayed;
if (this.tableSource != null) {
x.tableSource = this.tableSource.clone();
}
for (SQLInsertStatement.ValuesClause clause : valuesList) {
x.getValuesList().add(clause.clone());
}
for (SQLExpr column : columns) {
x.addColumn(column.clone());
}
if (query != null) {
x.query = this.query.clone();
}
if (partitions != null) {
for (SQLAssignItem partition : partitions) {
x.addPartition(partition.clone());
}
}
return x;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, tableSource);
acceptChild(visitor, columns);
acceptChild(visitor, valuesList);
acceptChild(visitor, query);
}
visitor.endVisit(this);
}
public int getHintsSize() {
if (hints == null) {
return 0;
}
return hints.size();
}
public List getHints() {
if (hints == null) {
hints = new ArrayList(2);
}
return hints;
}
public void setHints(List hints) {
this.hints = hints;
}
public void addPartition(SQLAssignItem partition) {
if (partition != null) {
partition.setParent(this);
}
if (partitions == null) {
partitions = new ArrayList();
}
this.partitions.add(partition);
}
public List getPartitions() {
return partitions;
}
}