Package com.facebook.presto.jdbc.internal.type.type

Source Code of com.facebook.presto.jdbc.internal.type.type.AbstractFixedWidthType

/*
* 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.facebook.presto.jdbc.internal.type.type;

import com.facebook.presto.jdbc.internal.type.block.Block;
import com.facebook.presto.jdbc.internal.type.block.BlockBuilder;
import com.facebook.presto.jdbc.internal.type.block.BlockBuilderStatus;
import com.facebook.presto.jdbc.internal.type.block.FixedWidthBlockBuilder;
import com.facebook.presto.jdbc.internal.airlift.slice.Slice;

public abstract class AbstractFixedWidthType
        extends AbstractType
        implements FixedWidthType
{
    private final int fixedSize;

    protected AbstractFixedWidthType(String name, Class<?> javaType, int fixedSize)
    {
        super(name, javaType);
        this.fixedSize = fixedSize;
    }

    @Override
    public final int getFixedSize()
    {
        return fixedSize;
    }

    @Override
    public final BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus)
    {
        return new FixedWidthBlockBuilder(getFixedSize(), blockBuilderStatus);
    }

    @Override
    public final BlockBuilder createFixedSizeBlockBuilder(int positionCount)
    {
        return new FixedWidthBlockBuilder(getFixedSize(), positionCount);
    }

    @Override
    public final Slice getSlice(Block block, int position)
    {
        return block.getSlice(position, 0, getFixedSize());
    }
}
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