本文整理汇总了Java中org.openrdf.query.impl.MapBindingSet.getValue方法的典型用法代码示例。如果您正苦于以下问题:Java MapBindingSet.getValue方法的具体用法?Java MapBindingSet.getValue怎么用?Java MapBindingSet.getValue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.openrdf.query.impl.MapBindingSet
的用法示例。
在下文中一共展示了MapBindingSet.getValue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: update
import org.openrdf.query.impl.MapBindingSet; //导入方法依赖的package包/类
@Override
public void update(final AggregationElement aggregation, final AggregationState state, final VisibilityBindingSet childBindingSet) {
checkArgument(aggregation.getAggregationType() == AggregationType.MIN, "The MinFunction only accepts MIN AggregationElements.");
requireNonNull(state);
requireNonNull(childBindingSet);
// Only update the min if the child contains the binding that we are finding the min value for.
final String aggregatedName = aggregation.getAggregatedBindingName();
if(childBindingSet.hasBinding(aggregatedName)) {
final MapBindingSet result = state.getBindingSet();
final String resultName = aggregation.getResultBindingName();
final boolean newBinding = !result.hasBinding(resultName);
Value min;
if(newBinding) {
min = childBindingSet.getValue(aggregatedName);
} else {
final Value oldMin = result.getValue(resultName);
final Value chidlMin = childBindingSet.getValue(aggregatedName);
min = compare.compare(chidlMin, oldMin) < 0 ? chidlMin : oldMin;
}
result.addBinding(resultName, min);
}
}
示例2: update
import org.openrdf.query.impl.MapBindingSet; //导入方法依赖的package包/类
@Override
public void update(final AggregationElement aggregation, final AggregationState state, final VisibilityBindingSet childBindingSet) {
checkArgument(aggregation.getAggregationType() == AggregationType.MAX, "The MaxFunction only accepts MAX AggregationElements.");
requireNonNull(state);
requireNonNull(childBindingSet);
// Only update the max if the child contains the binding that we are finding the max value for.
final String aggregatedName = aggregation.getAggregatedBindingName();
if(childBindingSet.hasBinding(aggregatedName)) {
final MapBindingSet result = state.getBindingSet();
final String resultName = aggregation.getResultBindingName();
final boolean newBinding = !result.hasBinding(resultName);
Value max;
if(newBinding) {
max = childBindingSet.getValue(aggregatedName);
} else {
final Value oldMax = result.getValue(resultName);
final Value childMax = childBindingSet.getValue(aggregatedName);
max = compare.compare(childMax, oldMax) > 0 ? childMax : oldMax;
}
result.addBinding(resultName, max);
}
}
示例3: update
import org.openrdf.query.impl.MapBindingSet; //导入方法依赖的package包/类
@Override
public void update(final AggregationElement aggregation, final AggregationState state, final VisibilityBindingSet childBindingSet) {
checkArgument(aggregation.getAggregationType() == AggregationType.COUNT, "The CountFunction only accepts COUNT AggregationElements.");
requireNonNull(state);
requireNonNull(childBindingSet);
// Only add one to the count if the child contains the binding that we are counting.
final String aggregatedName = aggregation.getAggregatedBindingName();
if(childBindingSet.hasBinding(aggregatedName)) {
final MapBindingSet result = state.getBindingSet();
final String resultName = aggregation.getResultBindingName();
final boolean newBinding = !result.hasBinding(resultName);
if(newBinding) {
// Initialize the binding.
result.addBinding(resultName, new IntegerLiteralImpl(BigInteger.ONE));
} else {
// Update the existing binding.
final Literal count = (Literal) result.getValue(resultName);
final BigInteger updatedCount = count.integerValue().add( BigInteger.ONE );
result.addBinding(resultName, new IntegerLiteralImpl(updatedCount));
}
}
}