/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.map.impl.operation;
import com.hazelcast.map.impl.MapDataSerializerHook;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.map.impl.record.Record;
import com.hazelcast.map.impl.record.Records;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.query.impl.Index;
import com.hazelcast.query.impl.Indexes;
import com.hazelcast.query.impl.QueryableEntry;
import com.hazelcast.spi.PartitionAwareOperation;
import com.hazelcast.spi.impl.MutatingOperation;
import com.hazelcast.spi.serialization.SerializationService;
import com.hazelcast.util.Clock;
import java.io.IOException;
import java.util.Iterator;
public class AddIndexOperation extends MapOperation implements PartitionAwareOperation, MutatingOperation {
private String attributeName;
private boolean ordered;
public AddIndexOperation() {
}
public AddIndexOperation(String name, String attributeName, boolean ordered) {
super(name);
this.attributeName = attributeName;
this.ordered = ordered;
}
@Override
public String getServiceName() {
return MapService.SERVICE_NAME;
}
@Override
public void run() throws Exception {
Indexes indexes = mapContainer.getIndexes();
Index index = indexes.addOrGetIndex(attributeName, ordered);
final long now = getNow();
final Iterator<Record> iterator = recordStore.iterator(now, false);
SerializationService serializationService = getNodeEngine().getSerializationService();
while (iterator.hasNext()) {
final Record record = iterator.next();
Data key = record.getKey();
Object value = Records.getValueOrCachedValue(record, serializationService);
QueryableEntry queryEntry = mapContainer.newQueryEntry(key, value);
index.saveEntryIndex(queryEntry, null);
}
}
private long getNow() {
return Clock.currentTimeMillis();
}
@Override
public Object getResponse() {
return Boolean.TRUE;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeUTF(attributeName);
out.writeBoolean(ordered);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
attributeName = in.readUTF();
ordered = in.readBoolean();
}
@Override
public int getId() {
return MapDataSerializerHook.ADD_INDEX;
}
}