/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate licenses
* this file to you 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.planner.symbol;
import io.crate.metadata.ReferenceIdent;
import io.crate.metadata.ReferenceInfo;
import io.crate.metadata.table.ColumnPolicy;
import io.crate.planner.RowGranularity;
import io.crate.types.DataType;
import io.crate.types.UndefinedType;
public class DynamicReference extends Reference {
public static final SymbolFactory FACTORY = new SymbolFactory() {
@Override
public Symbol newInstance() {
return new DynamicReference();
}
};
public DynamicReference() {}
public DynamicReference(ReferenceInfo info) {
this.info = info;
}
public DynamicReference(ReferenceIdent ident, RowGranularity rowGranularity) {
this.info = new ReferenceInfo(ident, rowGranularity, UndefinedType.INSTANCE);
}
public void valueType(DataType dataType) {
assert this.info != null;
this.info = new ReferenceInfo(info.ident(), info.granularity(), dataType,
info.columnPolicy(), info.indexType());
}
public void columnPolicy(ColumnPolicy objectType) {
assert this.info != null;
this.info = new ReferenceInfo(info.ident(), info.granularity(), info.type(),
objectType, info.indexType());
}
@Override
public SymbolType symbolType() {
return SymbolType.DYNAMIC_REFERENCE;
}
@Override
public <C, R> R accept(SymbolVisitor<C, R> visitor, C context) {
return visitor.visitDynamicReference(this, context);
}
}