/*
* 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.connector.informationSchema;
import com.facebook.presto.spi.ConnectorSplit;
import com.facebook.presto.spi.HostAddress;
import com.facebook.presto.spi.predicate.NullableValue;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import java.util.List;
import java.util.Map;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
public class InformationSchemaSplit
implements ConnectorSplit
{
private final InformationSchemaTableHandle tableHandle;
private final Map<String, NullableValue> filters;
private final List<HostAddress> addresses;
@JsonCreator
public InformationSchemaSplit(
@JsonProperty("tableHandle") InformationSchemaTableHandle tableHandle,
@JsonProperty("filters") Map<String, NullableValue> filters,
@JsonProperty("addresses") List<HostAddress> addresses)
{
this.tableHandle = requireNonNull(tableHandle, "tableHandle is null");
this.filters = requireNonNull(filters, "filters is null");
requireNonNull(addresses, "hosts is null");
checkArgument(!addresses.isEmpty(), "hosts is empty");
this.addresses = ImmutableList.copyOf(addresses);
}
@Override
public boolean isRemotelyAccessible()
{
return false;
}
@Override
@JsonProperty
public List<HostAddress> getAddresses()
{
return addresses;
}
@JsonProperty
public InformationSchemaTableHandle getTableHandle()
{
return tableHandle;
}
@JsonProperty
public Map<String, NullableValue> getFilters()
{
return filters;
}
@Override
public Object getInfo()
{
return this;
}
@Override
public String toString()
{
return toStringHelper(this)
.add("tableHandle", tableHandle)
.add("filters", filters)
.add("addresses", addresses)
.toString();
}
}