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An JDBC datasource implementation.
/*
* Copyright 1999-2018 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.expr;
import com.alibaba.druid.sql.ast.SQLDataType;
import com.alibaba.druid.sql.ast.SQLDataTypeImpl;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLExprImpl;
import com.alibaba.druid.sql.ast.statement.SQLCharacterDataType;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
import java.util.Collections;
import java.util.List;
public final class SQLBooleanExpr extends SQLExprImpl implements SQLExpr, SQLLiteralExpr, SQLValuableExpr {
public static final SQLDataType DEFAULT_DATA_TYPE = new SQLDataTypeImpl(SQLDataType.Constants.BOOLEAN);
private boolean value;
public SQLBooleanExpr(){
}
public SQLBooleanExpr(boolean value){
this.value = value;
}
public boolean getBooleanValue() {
return value;
}
public Boolean getValue() {
return value;
}
public void setValue(boolean value) {
this.value = value;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
visitor.visit(this);
visitor.endVisit(this);
}
public void output(StringBuffer buf) {
buf.append("x");
buf.append(value ? "TRUE" : "FALSE");
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (value ? 1231 : 1237);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
SQLBooleanExpr other = (SQLBooleanExpr) obj;
if (value != other.value) {
return false;
}
return true;
}
public SQLDataType computeDataType() {
return DEFAULT_DATA_TYPE;
}
public SQLBooleanExpr clone() {
return new SQLBooleanExpr(value);
}
@Override
public List getChildren() {
return Collections.emptyList();
}
public static enum Type {
ON_OFF
}
}