
com.hydraql.dsl.client.rowkey.BaseRowKey Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.
*/
package com.hydraql.dsl.client.rowkey;
import com.hydraql.dsl.client.rowkey.func.RowKeyFunc;
/**
* @author leojie 2022/12/3 18:21
*/
public abstract class BaseRowKey implements RowKey {
protected String value;
protected byte[] valueBytes;
protected RowKeyFunc rowKeyFunc;
public BaseRowKey(String value, RowKeyFunc rowKeyFunc) {
this.value = value;
this.rowKeyFunc = rowKeyFunc;
}
@Override
public byte[] toBytes() {
// set order 1
if (this.valueBytes != null) {
return this.valueBytes;
}
// convert order 2
T v = this.computeRowValue();
if (v == null) {
this.valueBytes = null;
} else {
this.valueBytes =
this.columnType().getTypeHandler().toBytes(this.columnType().getTypeClass(), v);
}
return this.valueBytes;
}
@Override
public void setValueBytes(byte[] valueBytes) {
this.valueBytes = valueBytes;
}
@Override
public String getOriValue() {
return value;
}
public RowKeyFunc getRowKeyFunc() {
return rowKeyFunc;
}
@Override
public T computeRowValue() {
return this.getRowKeyFunc().evalFuncReturnRowValue(this);
}
public void setRowKeyFunc(RowKeyFunc rowKeyFunc) {
this.rowKeyFunc = rowKeyFunc;
}
}
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