本文整理汇总了Java中org.apache.cassandra.cql3.statements.ModificationStatement.isCounter方法的典型用法代码示例。如果您正苦于以下问题：Java ModificationStatement.isCounter方法的具体用法？Java ModificationStatement.isCounter怎么用？Java ModificationStatement.isCounter使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.cql3.statements.ModificationStatement的用法示例。
在下文中一共展示了ModificationStatement.isCounter方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: execute
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入方法依赖的package包/类
public Message.Response execute(QueryState state)
{
try
{
UUID tracingId = null;
if (isTracingRequested())
{
tracingId = UUIDGen.getTimeUUID();
state.prepareTracingSession(tracingId);
}
if (state.traceNextQuery())
{
state.createTracingSession();
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("Execute batch of CQL3 queries", Collections.<String, String>emptyMap());
}
List<ModificationStatement> statements = new ArrayList<ModificationStatement>(queryOrIdList.size());
for (int i = 0; i < queryOrIdList.size(); i++)
{
Object query = queryOrIdList.get(i);
CQLStatement statement;
if (query instanceof String)
{
statement = QueryProcessor.parseStatement((String)query, state);
}
else
{
statement = QueryProcessor.getPrepared((MD5Digest)query);
if (statement == null)
throw new PreparedQueryNotFoundException((MD5Digest)query);
}
List<ByteBuffer> queryValues = values.get(i);
if (queryValues.size() != statement.getBoundsTerms())
throw new InvalidRequestException(String.format("There were %d markers(?) in CQL but %d bound variables",
statement.getBoundsTerms(),
queryValues.size()));
if (!(statement instanceof ModificationStatement))
throw new InvalidRequestException("Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.");
ModificationStatement mst = (ModificationStatement)statement;
if (mst.isCounter())
{
if (type != BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include counter statement in a non-counter batch");
}
else
{
if (type == BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include non-counter statement in a counter batch");
}
statements.add(mst);
}
// Note: It's ok at this point to pass a bogus value for the number of bound terms in the BatchState ctor
// (and no value would be really correct, so we prefer passing a clearly wrong one).
BatchStatement batch = new BatchStatement(-1, type, statements, Attributes.none());
Message.Response response = QueryProcessor.processBatch(batch, consistency, state, values);
if (tracingId != null)
response.setTracingId(tracingId);
return response;
}
catch (Exception e)
{
return ErrorMessage.fromException(e);
}
finally
{
Tracing.instance.stopSession();
}
}
示例2: execute
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入方法依赖的package包/类
public Message.Response execute(QueryState state)
{
try
{
UUID tracingId = null;
if (isTracingRequested())
{
tracingId = UUIDGen.getTimeUUID();
state.prepareTracingSession(tracingId);
}
if (state.traceNextQuery())
{
state.createTracingSession();
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("Execute batch of CQL3 queries", Collections.<String, String>emptyMap());
}
List<ModificationStatement> statements = new ArrayList<ModificationStatement>(queryOrIdList.size());
for (int i = 0; i < queryOrIdList.size(); i++)
{
Object query = queryOrIdList.get(i);
CQLStatement statement;
if (query instanceof String)
{
statement = QueryProcessor.parseStatement((String)query, state);
}
else
{
statement = QueryProcessor.getPrepared((MD5Digest)query);
if (statement == null)
throw new PreparedQueryNotFoundException((MD5Digest)query);
}
List<ByteBuffer> queryValues = values.get(i);
if (queryValues.size() != statement.getBoundTerms())
throw new InvalidRequestException(String.format("There were %d markers(?) in CQL but %d bound variables",
statement.getBoundTerms(),
queryValues.size()));
if (!(statement instanceof ModificationStatement))
throw new InvalidRequestException("Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.");
ModificationStatement mst = (ModificationStatement)statement;
if (mst.isCounter())
{
if (type != BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include counter statement in a non-counter batch");
}
else
{
if (type == BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include non-counter statement in a counter batch");
}
statements.add(mst);
}
// Note: It's ok at this point to pass a bogus value for the number of bound terms in the BatchState ctor
// (and no value would be really correct, so we prefer passing a clearly wrong one).
BatchStatement batch = new BatchStatement(-1, type, statements, Attributes.none());
Message.Response response = QueryProcessor.processBatch(batch, consistency, state, values, queryOrIdList);
if (tracingId != null)
response.setTracingId(tracingId);
return response;
}
catch (Exception e)
{
return ErrorMessage.fromException(e);
}
finally
{
Tracing.instance.stopSession();
}
}
示例3: execute
import org.apache.cassandra.cql3.statements.ModificationStatement; //导入方法依赖的package包/类
public Message.Response execute(QueryState state)
{
try
{
UUID tracingId = null;
if (isTracingRequested())
{
tracingId = UUIDGen.getTimeUUID();
state.prepareTracingSession(tracingId);
}
if (state.traceNextQuery())
{
state.createTracingSession();
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("Execute batch of CQL3 queries", Collections.<String, String>emptyMap());
}
QueryHandler handler = state.getClientState().getCQLQueryHandler();
List<ModificationStatement> statements = new ArrayList<ModificationStatement>(queryOrIdList.size());
for (int i = 0; i < queryOrIdList.size(); i++)
{
Object query = queryOrIdList.get(i);
CQLStatement statement;
if (query instanceof String)
{
statement = QueryProcessor.parseStatement((String)query, state);
}
else
{
statement = handler.getPrepared((MD5Digest)query);
if (statement == null)
throw new PreparedQueryNotFoundException((MD5Digest)query);
}
List<ByteBuffer> queryValues = values.get(i);
if (queryValues.size() != statement.getBoundTerms())
throw new InvalidRequestException(String.format("There were %d markers(?) in CQL but %d bound variables",
statement.getBoundTerms(),
queryValues.size()));
if (!(statement instanceof ModificationStatement))
throw new InvalidRequestException("Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.");
ModificationStatement mst = (ModificationStatement)statement;
if (mst.isCounter())
{
if (type != BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include counter statement in a non-counter batch");
}
else
{
if (type == BatchStatement.Type.COUNTER)
throw new InvalidRequestException("Cannot include non-counter statement in a counter batch");
}
statements.add(mst);
}
// Note: It's ok at this point to pass a bogus value for the number of bound terms in the BatchState ctor
// (and no value would be really correct, so we prefer passing a clearly wrong one).
BatchStatement batch = new BatchStatement(-1, type, statements, Attributes.none());
Message.Response response = handler.processBatch(batch, state, new BatchQueryOptions(consistency, values, queryOrIdList));
if (tracingId != null)
response.setTracingId(tracingId);
return response;
}
catch (Exception e)
{
return ErrorMessage.fromException(e);
}
finally
{
Tracing.instance.stopSession();
}
}