/*
* 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.query;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
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;
/**
* Arguments for {@link VisorQueryTask}.
*/
public class VisorQueryTaskArg extends VisorDataTransferObject {
/** */
private static final long serialVersionUID = 0L;
/** Cache name for query. */
private String cacheName;
/** Query text. */
private String qryTxt;
/** Distributed joins enabled flag. */
private boolean distributedJoins;
/** Enforce join order flag. */
private boolean enforceJoinOrder;
/** Query contains only replicated tables flag.*/
private boolean replicatedOnly;
/** Flag whether to execute query locally. */
private boolean loc;
/** Result batch size. */
private int pageSize;
/**
* Default constructor.
*/
public VisorQueryTaskArg() {
// No-op.
}
/**
* @param cacheName Cache name for query.
* @param qryTxt Query text.
* @param distributedJoins If {@code true} then distributed joins enabled.
* @param enforceJoinOrder If {@code true} then enforce join order.
* @param replicatedOnly {@code true} then query contains only replicated tables.
* @param loc Flag whether to execute query locally.
* @param pageSize Result batch size.
*/
public VisorQueryTaskArg(String cacheName, String qryTxt,
boolean distributedJoins, boolean enforceJoinOrder, boolean replicatedOnly, boolean loc, int pageSize) {
this.cacheName = cacheName;
this.qryTxt = qryTxt;
this.distributedJoins = distributedJoins;
this.enforceJoinOrder = enforceJoinOrder;
this.replicatedOnly = replicatedOnly;
this.loc = loc;
this.pageSize = pageSize;
}
/**
* @return Cache name.
*/
public String getCacheName() {
return cacheName;
}
/**
* @return Query txt.
*/
public String getQueryText() {
return qryTxt;
}
/**
* @return Distributed joins enabled flag.
*/
public boolean isDistributedJoins() {
return distributedJoins;
}
/**
* @return Enforce join order flag.
*/
public boolean isEnforceJoinOrder() {
return enforceJoinOrder;
}
/**
* @return {@code true} If the query contains only replicated tables.
*/
public boolean isReplicatedOnly() {
return replicatedOnly;
}
/**
* @return {@code true} If query should be executed locally.
*/
public boolean isLocal() {
return loc;
}
/**
* @return Page size.
*/
public int getPageSize() {
return pageSize;
}
/** {@inheritDoc} */
@Override protected void writeExternalData(ObjectOutput out) throws IOException {
U.writeString(out, cacheName);
U.writeString(out, qryTxt);
out.writeBoolean(distributedJoins);
out.writeBoolean(enforceJoinOrder);
out.writeBoolean(loc);
out.writeInt(pageSize);
}
/** {@inheritDoc} */
@Override protected void readExternalData(byte protoVer, ObjectInput in) throws IOException, ClassNotFoundException {
cacheName = U.readString(in);
qryTxt = U.readString(in);
distributedJoins = in.readBoolean();
enforceJoinOrder = in.readBoolean();
loc = in.readBoolean();
pageSize = in.readInt();
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(VisorQueryTaskArg.class, this);
}
}