com.facebook.presto.jdbc.internal.spi.block.BlockBuilder Maven / Gradle / Ivy
/*
* 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.spi.block;
import com.facebook.presto.jdbc.internal.airlift.slice.Slice;
public interface BlockBuilder
extends Block
{
/**
* Write a byte to the current entry;
*/
default BlockBuilder writeByte(int value)
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Write a short to the current entry;
*/
default BlockBuilder writeShort(int value)
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Write a int to the current entry;
*/
default BlockBuilder writeInt(int value)
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Write a long to the current entry;
*/
default BlockBuilder writeLong(long value)
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Write a byte sequences to the current entry;
*/
default BlockBuilder writeBytes(Slice source, int sourceIndex, int length)
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Write an object to the current entry;
*/
default BlockBuilder writeObject(Object value)
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Return a writer to the current entry. The caller can operate on the returned caller to incrementally build the object. This is generally more efficient than
* building the object elsewhere and call writeObject afterwards because a large chunk of memory could potentially be unnecessarily copied in this process.
*/
default BlockBuilder beginBlockEntry()
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Write a byte to the current entry;
*/
BlockBuilder closeEntry();
/**
* Appends a null value to the block.
*/
BlockBuilder appendNull();
/**
* Builds the block. This method can be called multiple times.
*/
Block build();
/**
* Creates a new block builder of the same type based on the current usage statistics of this block builder.
*/
BlockBuilder newBlockBuilderLike(BlockBuilderStatus blockBuilderStatus);
}
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