/*
* 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.spi.type;
import com.facebook.presto.spi.block.Block;
import com.facebook.presto.spi.block.BlockBuilder;
import io.airlift.slice.Slice;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public abstract class AbstractType
implements Type
{
private final TypeSignature signature;
private final Class<?> javaType;
protected AbstractType(TypeSignature signature, Class<?> javaType)
{
this.signature = signature;
this.javaType = javaType;
}
@Override
public final TypeSignature getTypeSignature()
{
return signature;
}
@Override
public String getDisplayName()
{
return signature.toString();
}
@Override
public final Class<?> getJavaType()
{
return javaType;
}
@Override
public List<Type> getTypeParameters()
{
return Collections.unmodifiableList(new ArrayList<>());
}
@Override
public boolean isComparable()
{
return false;
}
@Override
public boolean isOrderable()
{
return false;
}
@Override
public long hash(Block block, int position)
{
throw new UnsupportedOperationException(getTypeSignature() + " type is not comparable");
}
@Override
public boolean equalTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
throw new UnsupportedOperationException(getTypeSignature() + " type is not comparable");
}
@Override
public int compareTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
throw new UnsupportedOperationException(getTypeSignature() + " type is not orderable");
}
@Override
public boolean getBoolean(Block block, int position)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public void writeBoolean(BlockBuilder blockBuilder, boolean value)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public long getLong(Block block, int position)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public void writeLong(BlockBuilder blockBuilder, long value)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public double getDouble(Block block, int position)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public void writeDouble(BlockBuilder blockBuilder, double value)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public Slice getSlice(Block block, int position)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public void writeSlice(BlockBuilder blockBuilder, Slice value)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public void writeSlice(BlockBuilder blockBuilder, Slice value, int offset, int length)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public Object getObject(Block block, int position)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public void writeObject(BlockBuilder blockBuilder, Object value)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public String toString()
{
return getTypeSignature().toString();
}
@Override
public boolean equals(Object o)
{
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
return this.getTypeSignature().equals(((Type) o).getTypeSignature());
}
@Override
public int hashCode()
{
return signature.hashCode();
}
}