com.hazelcast.org.apache.calcite.linq4j.tree.ArrayLengthRecordField 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 com.hazelcast.com.liance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.com.hazelcast.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.hazelcast.org.apache.calcite.linq4j.tree;
import java.lang.reflect.Array;
import java.lang.reflect.Type;
import java.util.Objects;
/**
* Represents a length field of a RecordType
*/
public class ArrayLengthRecordField implements Types.RecordField {
private final String fieldName;
private final Class clazz;
public ArrayLengthRecordField(String fieldName, Class clazz) {
assert fieldName != null : "fieldName should not be null";
assert clazz != null : "clazz should not be null";
this.fieldName = fieldName;
this.clazz = clazz;
}
public boolean nullable() {
return false;
}
public String getName() {
return fieldName;
}
public Type getType() {
return int.class;
}
public int getModifiers() {
return 0;
}
public Object get(Object o) throws IllegalAccessException {
return Array.getLength(o);
}
public Type getDeclaringClass() {
return clazz;
}
@Override public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ArrayLengthRecordField that = (ArrayLengthRecordField) o;
if (!clazz.equals(that.clazz)) {
return false;
}
if (!fieldName.equals(that.fieldName)) {
return false;
}
return true;
}
@Override public int hashCode() {
return Objects.hash(fieldName, clazz);
}
}