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*
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package oracle.kv.query;
import java.util.concurrent.TimeUnit;
import oracle.kv.Consistency;
import oracle.kv.Direction;
import oracle.kv.Durability;
import oracle.kv.KVStore;
import oracle.kv.KVStoreConfig;
import oracle.kv.table.TableIteratorOptions;
/**
* Class contains several options for the KVStore.execute() methods.
* It contains the following execution options: consistency, durability and
* timeout.
*
* @see KVStore#execute(String, ExecuteOptions)
* @see KVStore#executeSync(String, ExecuteOptions)
* @see KVStore#executeSync(Statement, ExecuteOptions)
*
* @since 4.0
*/
public class ExecuteOptions {
private Consistency consistency;
private Durability durability;
private long timeout;
private TimeUnit timeoutUnit;
private int maxConcurrentRequests;
private int resultsBatchSize;
public ExecuteOptions() {}
/**
* Sets the execution consistency.
*/
public ExecuteOptions setConsistency(Consistency consistency) {
this.consistency = consistency;
return this;
}
/**
* Gets the last set execution consistency.
*/
public Consistency getConsistency() {
return consistency;
}
/**
* Sets the execution durability.
*/
public ExecuteOptions setDurability(Durability durability) {
this.durability = durability;
return this;
}
/**
* Gets the last set execution durability.
*/
public Durability getDurability() {
return durability;
}
/**
* The {@code timeout} parameter is an upper bound on the time interval for
* processing the operation. A best effort is made not to exceed the
* specified limit. If zero, the {@link KVStoreConfig#getRequestTimeout
* default request timeout} is used.
*
* If {@code timeout} is not 0, the {@code timeoutUnit} parameter must not
* be {@code null}.
*
* @param timeout the timeout value to use
* @param timeoutUnit the {@link TimeUnit} used by the
* timeout parameter or null
*/
public ExecuteOptions setTimeout(long timeout,
TimeUnit timeoutUnit) {
if (timeout < 0) {
throw new IllegalArgumentException("timeout must be >= 0");
}
if ((timeout != 0) && (timeoutUnit == null)) {
throw new IllegalArgumentException("A non-zero timeout requires " +
"a non-null timeout unit");
}
this.timeout = timeout;
this.timeoutUnit = timeoutUnit;
return this;
}
/**
* Gets the timeout, which is an upper bound on the time interval for
* processing the read or write operations. A best effort is made not to
* exceed the specified limit. If zero, the
* {@link KVStoreConfig#getRequestTimeout default request timeout} is used.
*
* @return the timeout
*/
public long getTimeout() {
return timeout;
}
/**
* Gets the unit of the timeout parameter, and may
* be {@code null} only if {@link #getTimeout} returns zero.
*
* @return the timeout unit or null
*/
public TimeUnit getTimeoutUnit() {
return timeoutUnit;
}
/**
* Returns the maximum number of concurrent requests.
*/
public int getMaxConcurrentRequests() {
return maxConcurrentRequests;
}
/**
* Sets the maximum number of concurrent requests.
*/
public ExecuteOptions setMaxConcurrentRequests(int maxConcurrentRequests) {
this.maxConcurrentRequests = maxConcurrentRequests;
return this;
}
/**
* Returns the number of results per request.
*/
public int getResultsBatchSize() {
return resultsBatchSize;
}
/**
* Sets the number of results per request.
*/
public ExecuteOptions setResultsBatchSize(int resultsBatchSize) {
this.resultsBatchSize = resultsBatchSize;
return this;
}
/**
* For internal use only.
* @hidden
*/
public TableIteratorOptions createTableIteratorOptions(
Direction direction) {
return new TableIteratorOptions(direction,
consistency,
timeout,
timeoutUnit,
maxConcurrentRequests,
resultsBatchSize);
}
}