本文整理了Java中org.apache.calcite.util.Util.startsWith()方法的一些代码示例，展示了Util.startsWith()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.startsWith()方法的具体详情如下：
包路径：org.apache.calcite.util.Util
类名称：Util
方法名：startsWith

Util.startsWith介绍

[英]Returns whether one list is a prefix of another.
[中]返回一个列表是否是另一个列表的前缀。

代码示例

代码示例来源：origin: Qihoo360/Quicksql

public boolean satisfies(RelTrait trait) {
 return this == trait
   || trait instanceof RelCollationImpl
   && Util.startsWith(fieldCollations,
     ((RelCollationImpl) trait).fieldCollations);
}

代码示例来源：origin: org.apache.calcite/calcite-core

public boolean satisfies(RelTrait trait) {
 return this == trait
   || trait instanceof RelCollationImpl
   && Util.startsWith(fieldCollations,
     ((RelCollationImpl) trait).fieldCollations);
}

代码示例来源：origin: Qihoo360/Quicksql

@Override protected void matched(List<String> prefixNames,
  List<String> names) {
 matchedNames = ImmutableList.copyOf(
   Util.startsWith(names, prefixNames)
     ? Util.skip(names, prefixNames.size())
     : names);
}

代码示例来源：origin: org.apache.calcite/calcite-core

@Override protected void matched(List<String> prefixNames,
  List<String> names) {
 matchedNames = ImmutableList.copyOf(
   Util.startsWith(names, prefixNames)
     ? Util.skip(names, prefixNames.size())
     : names);
}

代码示例来源：origin: Qihoo360/Quicksql

public boolean satisfies(RelTrait trait) {
 if (trait == this || trait == ANY) {
  return true;
 }
 if (trait instanceof RelDistributionImpl) {
  RelDistributionImpl distribution = (RelDistributionImpl) trait;
  if (type == distribution.type) {
   switch (type) {
   case HASH_DISTRIBUTED:
    // The "leading edge" property of Range does not apply to Hash.
    // Only Hash[x, y] satisfies Hash[x, y].
    return keys.equals(distribution.keys);
   case RANGE_DISTRIBUTED:
    // Range[x, y] satisfies Range[x, y, z] but not Range[x]
    return Util.startsWith(distribution.keys, keys);
   default:
    return true;
   }
  }
 }
 if (trait == RANDOM_DISTRIBUTED) {
  // RANDOM is satisfied by HASH, ROUND-ROBIN, RANDOM, RANGE;
  // we've already checked RANDOM
  return type == Type.HASH_DISTRIBUTED
    || type == Type.ROUND_ROBIN_DISTRIBUTED
    || type == Type.RANGE_DISTRIBUTED;
 }
 return false;
}

代码示例来源：origin: org.apache.calcite/calcite-core

public boolean satisfies(RelTrait trait) {
 if (trait == this || trait == ANY) {
  return true;
 }
 if (trait instanceof RelDistributionImpl) {
  RelDistributionImpl distribution = (RelDistributionImpl) trait;
  if (type == distribution.type) {
   switch (type) {
   case HASH_DISTRIBUTED:
    // The "leading edge" property of Range does not apply to Hash.
    // Only Hash[x, y] satisfies Hash[x, y].
    return keys.equals(distribution.keys);
   case RANGE_DISTRIBUTED:
    // Range[x, y] satisfies Range[x, y, z] but not Range[x]
    return Util.startsWith(distribution.keys, keys);
   default:
    return true;
   }
  }
 }
 if (trait == RANDOM_DISTRIBUTED) {
  // RANDOM is satisfied by HASH, ROUND-ROBIN, RANDOM, RANGE;
  // we've already checked RANDOM
  return type == Type.HASH_DISTRIBUTED
    || type == Type.ROUND_ROBIN_DISTRIBUTED
    || type == Type.RANGE_DISTRIBUTED;
 }
 return false;
}

代码示例来源：origin: Qihoo360/Quicksql

/** Unit test for {@link Util#startsWith}. */
@Test public void testStartsWithList() {
 assertThat(Util.startsWith(list("x"), list()), is(true));
 assertThat(Util.startsWith(list("x"), list("x")), is(true));
 assertThat(Util.startsWith(list("x"), list("y")), is(false));
 assertThat(Util.startsWith(list("x"), list("x", "y")), is(false));
 assertThat(Util.startsWith(list("x", "y"), list("x")), is(true));
 assertThat(Util.startsWith(list(), list()), is(true));
 assertThat(Util.startsWith(list(), list("x")), is(false));
}

代码示例来源：origin: org.apache.calcite/calcite-core

/** Unit test for {@link Util#startsWith}. */
@Test public void testStartsWithList() {
 assertThat(Util.startsWith(list("x"), list()), is(true));
 assertThat(Util.startsWith(list("x"), list("x")), is(true));
 assertThat(Util.startsWith(list("x"), list("y")), is(false));
 assertThat(Util.startsWith(list("x"), list("x", "y")), is(false));
 assertThat(Util.startsWith(list("x", "y"), list("x")), is(true));
 assertThat(Util.startsWith(list(), list()), is(true));
 assertThat(Util.startsWith(list(), list("x")), is(false));
}