/*
* 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.dialect.oracle.ast.stmt;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleSelectPivot.Item;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
public class OracleSelectUnPivot extends OracleSelectPivotBase {
private NullsIncludeType nullsIncludeType;
private final List<SQLExpr> items = new ArrayList<SQLExpr>();
private final List<OracleSelectPivot.Item> pivotIn = new ArrayList<Item>();
public OracleSelectUnPivot(){
}
public void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, this.items);
acceptChild(visitor, this.pivotIn);
}
visitor.endVisit(this);
}
public List<OracleSelectPivot.Item> getPivotIn() {
return this.pivotIn;
}
public List<SQLExpr> getItems() {
return this.items;
}
public void addItem(SQLExpr item) {
if (item != null) {
item.setParent(this);
}
this.items.add(item);
}
public NullsIncludeType getNullsIncludeType() {
return this.nullsIncludeType;
}
public void setNullsIncludeType(NullsIncludeType nullsIncludeType) {
this.nullsIncludeType = nullsIncludeType;
}
public static enum NullsIncludeType {
INCLUDE_NULLS, EXCLUDE_NULLS;
public static String toString(NullsIncludeType type, boolean ucase) {
if (INCLUDE_NULLS.equals(type)) {
return ucase ? "INCLUDE NULLS" : "include nulls";
}
if (EXCLUDE_NULLS.equals(type)) {
return ucase ? "EXCLUDE NULLS" : "exclude nulls";
}
throw new IllegalArgumentException();
}
}
}