/*
* 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.mysql.ast.expr;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLExprImpl;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class MySqlMatchAgainstExpr extends SQLExprImpl implements MySqlExpr {
private List<SQLExpr> columns = new ArrayList<SQLExpr>();
private SQLExpr against;
private SearchModifier searchModifier;
public List<SQLExpr> getColumns() {
return columns;
}
public void setColumns(List<SQLExpr> columns) {
this.columns = columns;
}
public SQLExpr getAgainst() {
return against;
}
public void setAgainst(SQLExpr against) {
this.against = against;
}
public SearchModifier getSearchModifier() {
return searchModifier;
}
public void setSearchModifier(SearchModifier searchModifier) {
this.searchModifier = searchModifier;
}
public static enum SearchModifier {
IN_BOOLEAN_MODE("IN BOOLEAN MODE"), IN_NATURAL_LANGUAGE_MODE("IN NATURAL LANGUAGE MODE"),
IN_NATURAL_LANGUAGE_MODE_WITH_QUERY_EXPANSION("IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION"),
WITH_QUERY_EXPANSION("WITH QUERY EXPANSION"), ;
public final String name;
SearchModifier(){
this(null);
}
SearchModifier(String name){
this.name = name;
}
}
@Override
protected void accept0(SQLASTVisitor visitor) {
MySqlASTVisitor mysqlVisitor = (MySqlASTVisitor) visitor;
if (mysqlVisitor.visit(this)) {
acceptChild(visitor, this.columns);
acceptChild(visitor, this.against);
}
mysqlVisitor.endVisit(this);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((against == null) ? 0 : against.hashCode());
result = prime * result + ((columns == null) ? 0 : columns.hashCode());
result = prime * result + ((searchModifier == null) ? 0 : searchModifier.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
MySqlMatchAgainstExpr other = (MySqlMatchAgainstExpr) obj;
if (against == null) {
if (other.against != null) {
return false;
}
} else if (!against.equals(other.against)) {
return false;
}
if (columns == null) {
if (other.columns != null) {
return false;
}
} else if (!columns.equals(other.columns)) {
return false;
}
if (searchModifier != other.searchModifier) {
return false;
}
return true;
}
}