phoenix-core/src/main/java/org/apache/phoenix/schema/types/PCharArray.java

/*
 * 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 org.apache.phoenix.schema.types;

import org.apache.phoenix.schema.SortOrder;

public class PCharArray extends PArrayDataType<String[]> {

    public static final PCharArray INSTANCE = new PCharArray();

    private PCharArray() {
        super("CHAR ARRAY", PDataType.ARRAY_TYPE_BASE + PChar.INSTANCE.getSqlType(), PhoenixArray.class,
                null, 29);
    }

    @Override
    public boolean isArrayType() {
        return true;
    }

    @Override
    public boolean isFixedWidth() {
        return false;
    }

    @Override
    public int compareTo(Object lhs, Object rhs, PDataType rhsType) {
        return compareTo(lhs, rhs);
    }

    @Override
    public Integer getByteSize() {
        return null;
    }

    @Override
    public byte[] toBytes(Object object) {
        return toBytes(object, SortOrder.ASC);
    }

    @Override
    public byte[] toBytes(Object object, SortOrder sortOrder) {
        return toBytes(object, PChar.INSTANCE, sortOrder);
    }

    @Override
    public Object toObject(byte[] bytes, int offset, int length,
            PDataType actualType, SortOrder sortOrder, Integer maxLength, Integer scale) {
        return toObject(bytes, offset, length, PChar.INSTANCE, sortOrder, maxLength, scale,
                PChar.INSTANCE);
    }

    @Override
    public boolean isCoercibleTo(PDataType targetType) {
        return isCoercibleTo(targetType, this);
    }

    @Override
    public boolean isCoercibleTo(PDataType targetType, Object value) {
        if (value == null) {
            return true;
        }
        PhoenixArray pArr = (PhoenixArray) value;
        Object[] charArr = (Object[]) pArr.array;
        for (Object i : charArr) {
            if (!super.isCoercibleTo(PChar.INSTANCE, i)) {
                return false;
            }
        }
        return true;
    }

    @Override
    public Object getSampleValue(Integer maxLength, Integer arrayLength) {
        return getSampleValue(PChar.INSTANCE, arrayLength, maxLength);
    }
}