/*
* 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.jmx;
import com.facebook.presto.spi.ConnectorTableHandle;
import com.facebook.presto.spi.ConnectorTableMetadata;
import com.facebook.presto.spi.SchemaTableName;
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.Objects;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.collect.Iterables.transform;
import static java.util.Objects.requireNonNull;
public class JmxTableHandle
implements ConnectorTableHandle
{
private final String objectName;
private final List<JmxColumnHandle> columnHandles;
private final boolean liveData;
@JsonCreator
public JmxTableHandle(
@JsonProperty("objectName") String objectName,
@JsonProperty("columnHandles") List<JmxColumnHandle> columnHandles,
@JsonProperty("liveData") boolean liveData)
{
this.objectName = requireNonNull(objectName, "objectName is null");
this.columnHandles = ImmutableList.copyOf(requireNonNull(columnHandles, "columnHandles is null"));
this.liveData = liveData;
}
@JsonProperty
public String getObjectName()
{
return objectName;
}
@JsonProperty
public List<JmxColumnHandle> getColumnHandles()
{
return columnHandles;
}
@JsonProperty
public boolean isLiveData()
{
return liveData;
}
@Override
public int hashCode()
{
return Objects.hash(objectName, columnHandles, liveData);
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
JmxTableHandle other = (JmxTableHandle) obj;
return Objects.equals(this.objectName, other.objectName) &&
Objects.equals(this.columnHandles, other.columnHandles) &&
Objects.equals(this.liveData, other.liveData);
}
@Override
public String toString()
{
return toStringHelper(this)
.add("objectName", objectName)
.add("columnHandles", columnHandles)
.add("liveData", liveData)
.toString();
}
public ConnectorTableMetadata getTableMetadata()
{
return new ConnectorTableMetadata(
new SchemaTableName(JmxMetadata.JMX_SCHEMA_NAME, objectName),
ImmutableList.copyOf(transform(columnHandles, JmxColumnHandle::getColumnMetadata)));
}
}