/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.internal.visor.cache;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.List;
import org.apache.ignite.internal.processors.cache.query.GridCacheSqlIndexMetadata;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.internal.visor.VisorDataTransferObject;
/**
* Data transfer object for cache SQL index metadata.
*/
public class VisorCacheSqlIndexMetadata extends VisorDataTransferObject {
/** */
private static final long serialVersionUID = 0L;
/** */
private String name;
/** */
private List<String> fields;
/** */
private List<String> descendings;
/** */
private boolean unique;
/**
* Default constructor.
*/
public VisorCacheSqlIndexMetadata() {
// No-op.
}
/**
* Create data transfer object.
*
* @param meta SQL index metadata.
*/
public VisorCacheSqlIndexMetadata(GridCacheSqlIndexMetadata meta) {
name = meta.name();
fields = toList(meta.fields());
descendings = toList(meta.descendings());
unique = meta.unique();
}
/**
* @return Index name.
*/
public String getName() {
return name;
}
/**
* @return Indexed fields names.
*/
public List<String> getFields() {
return fields;
}
/**
* @return Descendings.
*/
public List<String> getDescendings() {
return descendings;
}
/**
* @return {@code True} if index is unique, {@code false} otherwise.
*/
public boolean isUnique() {
return unique;
}
/** {@inheritDoc} */
@Override protected void writeExternalData(ObjectOutput out) throws IOException {
U.writeString(out, name);
U.writeCollection(out, fields);
U.writeCollection(out, descendings);
out.writeBoolean(unique);
}
/** {@inheritDoc} */
@Override protected void readExternalData(byte protoVer, ObjectInput in) throws IOException, ClassNotFoundException {
name = U.readString(in);
fields = U.readList(in);
descendings = U.readList(in);
unique = in.readBoolean();
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(VisorCacheSqlIndexMetadata.class, this);
}
}