package com.hazelcast.multimap.impl.client;
import com.hazelcast.multimap.impl.MultiMapPortableHook;
import com.hazelcast.multimap.impl.operations.ContainsEntryOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.spi.Operation;
import java.io.IOException;
/**
* The KeyBasedContainsRequest can be used to determine if a key is available in a multimap (when value is null), or
* to check if a map-entry is stored in the multimap (value not null).
* <p/>
* This request is 'cheap' since it will always be routed to a particular member in the cluster, unlike the
* {@link ContainsRequest}.
*/
public class KeyBasedContainsRequest extends MultiMapKeyBasedRequest {
private Data value;
private long threadId;
public KeyBasedContainsRequest() {
}
public KeyBasedContainsRequest(String name, Data key, Data value) {
super(name, key);
this.value = value;
}
public KeyBasedContainsRequest(String name, Data key, Data value, long threadId) {
super(name, key);
this.value = value;
this.threadId = threadId;
}
@Override
protected Operation prepareOperation() {
ContainsEntryOperation operation = new ContainsEntryOperation(name, key, value);
operation.setThreadId(threadId);
return operation;
}
@Override
public int getClassId() {
return MultiMapPortableHook.KEY_BASED_CONTAINS;
}
@Override
public void write(PortableWriter writer) throws IOException {
writer.writeLong("threadId", threadId);
super.write(writer);
ObjectDataOutput out = writer.getRawDataOutput();
out.writeData(value);
}
@Override
public void read(PortableReader reader) throws IOException {
threadId = reader.readLong("threadId");
super.read(reader);
ObjectDataInput in = reader.getRawDataInput();
value = in.readData();
}
@Override
public String getMethodName() {
if (value == null) {
return "containsKey";
}
return "containsEntry";
}
@Override
public Object[] getParameters() {
if (value == null) {
return new Object[]{key};
}
return new Object[]{key, value};
}
}