com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of druid Show documentation
Show all versions of druid Show documentation
An JDBC datasource implementation.
/*
* Copyright 1999-2011 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.dialect.oracle.ast.clause;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.OracleSQLObjectImpl;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
public abstract class FlashbackQueryClause extends OracleSQLObjectImpl {
private static final long serialVersionUID = 1L;
private Type type;
public Type getType() {
return type;
}
public void setType(Type type) {
this.type = type;
}
public static enum Type {
SCN, TIMESTAMP
}
public static class VersionsFlashbackQueryClause extends FlashbackQueryClause {
private static final long serialVersionUID = 1L;
private SQLExpr begin;
private SQLExpr end;
public SQLExpr getBegin() {
return begin;
}
public void setBegin(SQLExpr begin) {
this.begin = begin;
}
public SQLExpr getEnd() {
return end;
}
public void setEnd(SQLExpr end) {
this.end = end;
}
@Override
public void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, begin);
acceptChild(visitor, end);
}
visitor.endVisit(this);
}
}
public static class AsOfFlashbackQueryClause extends FlashbackQueryClause {
private static final long serialVersionUID = 1L;
private SQLExpr expr;
public SQLExpr getExpr() {
return expr;
}
public void setExpr(SQLExpr expr) {
this.expr = expr;
}
@Override
public void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, expr);
}
visitor.endVisit(this);
}
}
public static class AsOfSnapshotClause extends FlashbackQueryClause {
private static final long serialVersionUID = 1L;
private SQLExpr expr;
public SQLExpr getExpr() {
return expr;
}
public void setExpr(SQLExpr expr) {
this.expr = expr;
}
@Override
public void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, expr);
}
visitor.endVisit(this);
}
}
}