org.h2.mvstore.rtree.SpatialKey.isNull java code examples

Common ways to obtain SpatialKey

private void myMethod () {
 SpatialKey s =Page page;(SpatialKey) page.getKey(pos.index++)
SearchRow searchRow;new SpatialKey(searchRow.getKey())
ArrayList arrayList;(SpatialKey) arrayList.get(index)
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}

private static ArrayList<Object> getNotNull(ArrayList<Object> list) {
  ArrayList<Object> result = null;
  for (Object o : list) {
    SpatialKey a = (SpatialKey) o;
    if (a.isNull()) {
      result = New.arrayList();
      break;
    }
  }
  if (result == null) {
    return list;
  }
  for (Object o : list) {
    SpatialKey a = (SpatialKey) o;
    if (!a.isNull()) {
      result.add(a);
    }
  }
  return result;
}

private float getArea(SpatialKey a) {
  if (a.isNull()) {
    return 0;
  }
  float area = 1;
  for (int i = 0; i < dimensions; i++) {
    area *= a.max(i) - a.min(i);
  }
  return area;
}

/**
 * Check whether a is completely inside b and does not touch the
 * given bound.
 *
 * @param objA the object to check
 * @param objB the bounds
 * @return true if a is completely inside b
 */
public boolean isInside(Object objA, Object objB) {
  SpatialKey a = (SpatialKey) objA;
  SpatialKey b = (SpatialKey) objB;
  if (a.isNull() || b.isNull()) {
    return false;
  }
  for (int i = 0; i < dimensions; i++) {
    if (a.min(i) <= b.min(i) || a.max(i) >= b.max(i)) {
      return false;
    }
  }
  return true;
}

/**
 * Increase the bounds in the given spatial object.
 *
 * @param bounds the bounds (may be modified)
 * @param add the value
 */
public void increaseBounds(Object bounds, Object add) {
  SpatialKey a = (SpatialKey) add;
  SpatialKey b = (SpatialKey) bounds;
  if (a.isNull() || b.isNull()) {
    return;
  }
  for (int i = 0; i < dimensions; i++) {
    b.setMin(i, Math.min(b.min(i), a.min(i)));
    b.setMax(i, Math.max(b.max(i), a.max(i)));
  }
}

/**
 * Check whether the two objects overlap.
 *
 * @param objA the first object
 * @param objB the second object
 * @return true if they overlap
 */
public boolean isOverlap(Object objA, Object objB) {
  SpatialKey a = (SpatialKey) objA;
  SpatialKey b = (SpatialKey) objB;
  if (a.isNull() || b.isNull()) {
    return false;
  }
  for (int i = 0; i < dimensions; i++) {
    if (a.max(i) < b.min(i) || a.min(i) > b.max(i)) {
      return false;
    }
  }
  return true;
}

/**
 * Check whether a contains b.
 *
 * @param objA the bounding box
 * @param objB the object
 * @return the area
 */
public boolean contains(Object objA, Object objB) {
  SpatialKey a = (SpatialKey) objA;
  SpatialKey b = (SpatialKey) objB;
  if (a.isNull() || b.isNull()) {
    return false;
  }
  for (int i = 0; i < dimensions; i++) {
    if (a.min(i) > b.min(i) || a.max(i) < b.max(i)) {
      return false;
    }
  }
  return true;
}

/**
 * Get the combined area of both objects.
 *
 * @param objA the first object
 * @param objB the second object
 * @return the area
 */
float getCombinedArea(Object objA, Object objB) {
  SpatialKey a = (SpatialKey) objA;
  SpatialKey b = (SpatialKey) objB;
  if (a.isNull()) {
    return getArea(b);
  } else if (b.isNull()) {
    return getArea(a);
  }
  float area = 1;
  for (int i = 0; i < dimensions; i++) {
    float min = Math.min(a.min(i),  b.min(i));
    float max = Math.max(a.max(i),  b.max(i));
    area *= max - min;
  }
  return area;
}

/**
 * Get the area increase by extending a to contain b.
 *
 * @param objA the bounding box
 * @param objB the object
 * @return the area
 */
public float getAreaIncrease(Object objA, Object objB) {
  SpatialKey b = (SpatialKey) objB;
  SpatialKey a = (SpatialKey) objA;
  if (a.isNull() || b.isNull()) {
    return 0;
  }
  float min = a.min(0);
  float max = a.max(0);
  float areaOld = max - min;
  min = Math.min(min,  b.min(0));
  max = Math.max(max,  b.max(0));
  float areaNew = max - min;
  for (int i = 1; i < dimensions; i++) {
    min = a.min(i);
    max = a.max(i);
    areaOld *= max - min;
    min = Math.min(min,  b.min(i));
    max = Math.max(max,  b.max(i));
    areaNew *= max - min;
  }
  return areaNew - areaOld;
}

/**
 * Create a bounding box starting with the given object.
 *
 * @param objA the object
 * @return the bounding box
 */
Object createBoundingBox(Object objA) {
  SpatialKey a = (SpatialKey) objA;
  if (a.isNull()) {
    return a;
  }
  float[] minMax = new float[dimensions * 2];
  for (int i = 0; i < dimensions; i++) {
    minMax[i + i] = a.min(i);
    minMax[i + i + 1] = a.max(i);
  }
  return new SpatialKey(0, minMax);
}

@Override
public void remove(Session session, Row row) {
  SpatialKey key = getKey(row);
  if (key.isNull()) {
    return;
  }
  TransactionMap<SpatialKey, Value> map = getMap(session);
  try {
    Value old = map.remove(key);
    if (old == null) {
      old = map.remove(key);
      throw DbException.get(ErrorCode.ROW_NOT_FOUND_WHEN_DELETING_1,
          getSQL() + ": " + row.getKey());
    }
  } catch (IllegalStateException e) {
    throw mvTable.convertException(e);
  }
}

SpatialKey key = getKey(row);
if (key.isNull()) {
  return;

@Override
public void write(WriteBuffer buff, Object obj) {
  SpatialKey k = (SpatialKey) obj;
  if (k.isNull()) {
    buff.putVarInt(-1);
    buff.putVarLong(k.getId());
    return;
  }
  int flags = 0;
  for (int i = 0; i < dimensions; i++) {
    if (k.min(i) == k.max(i)) {
      flags |= 1 << i;
    }
  }
  buff.putVarInt(flags);
  for (int i = 0; i < dimensions; i++) {
    buff.putFloat(k.min(i));
    if ((flags & (1 << i)) == 0) {
      buff.putFloat(k.max(i));
    }
  }
  buff.putVarLong(k.getId());
}

private float getArea(SpatialKey a) {
  if (a.isNull()) {
    return 0;
  }
  float area = 1;
  for (int i = 0; i < dimensions; i++) {
    area *= a.max(i) - a.min(i);
  }
  return area;
}

private float getArea(SpatialKey a) {
  if (a.isNull()) {
    return 0;
  }
  float area = 1;
  for (int i = 0; i < dimensions; i++) {
    area *= a.max(i) - a.min(i);
  }
  return area;
}

private float getArea(SpatialKey a) {
  if (a.isNull()) {
    return 0;
  }
  float area = 1;
  for (int i = 0; i < dimensions; i++) {
    area *= a.max(i) - a.min(i);
  }
  return area;
}

/**
 * Increase the bounds in the given spatial object.
 *
 * @param bounds the bounds (may be modified)
 * @param add the value
 */
public void increaseBounds(Object bounds, Object add) {
  SpatialKey a = (SpatialKey) add;
  SpatialKey b = (SpatialKey) bounds;
  if (a.isNull() || b.isNull()) {
    return;
  }
  for (int i = 0; i < dimensions; i++) {
    b.setMin(i, Math.min(b.min(i), a.min(i)));
    b.setMax(i, Math.max(b.max(i), a.max(i)));
  }
}

/**
 * Increase the bounds in the given spatial object.
 *
 * @param bounds the bounds (may be modified)
 * @param add the value
 */
public void increaseBounds(Object bounds, Object add) {
  SpatialKey a = (SpatialKey) add;
  SpatialKey b = (SpatialKey) bounds;
  if (a.isNull() || b.isNull()) {
    return;
  }
  for (int i = 0; i < dimensions; i++) {
    b.setMin(i, Math.min(b.min(i), a.min(i)));
    b.setMax(i, Math.max(b.max(i), a.max(i)));
  }
}

/**
 * Increase the bounds in the given spatial object.
 *
 * @param bounds the bounds (may be modified)
 * @param add the value
 */
public void increaseBounds(Object bounds, Object add) {
  SpatialKey a = (SpatialKey) add;
  SpatialKey b = (SpatialKey) bounds;
  if (a.isNull() || b.isNull()) {
    return;
  }
  for (int i = 0; i < dimensions; i++) {
    b.setMin(i, Math.min(b.min(i), a.min(i)));
    b.setMax(i, Math.max(b.max(i), a.max(i)));
  }
}

/**
 * Create a bounding box starting with the given object.
 *
 * @param objA the object
 * @return the bounding box
 */
Object createBoundingBox(Object objA) {
  SpatialKey a = (SpatialKey) objA;
  if (a.isNull()) {
    return a;
  }
  float[] minMax = new float[dimensions * 2];
  for (int i = 0; i < dimensions; i++) {
    minMax[i + i] = a.min(i);
    minMax[i + i + 1] = a.max(i);
  }
  return new SpatialKey(0, minMax);
}

@Override
public void remove(Session session, Row row) {
  SpatialKey key = getKey(row);
  
  if (key.isNull()) {
    return;
  }
  
  TransactionMap<SpatialKey, Value> map = getMap(session);
  try {
    Value old = map.remove(key);
    if (old == null) {
      old = map.remove(key);
      throw DbException.get(ErrorCode.ROW_NOT_FOUND_WHEN_DELETING_1,
          getSQL() + ": " + row.getKey());
    }
  } catch (IllegalStateException e) {
    throw mvTable.convertException(e);
  }
}

Popular methods of SpatialKey

<init>
Create a new key.
getId
equalsIgnoringId
Check whether two objects are equals, but do not compare the id fields.
max
Get the maximum value for the given dimension.
min
Get the minimum value for the given dimension.
setMax
Set the maximum value for the given dimension.
setMin
Set the minimum value for the given dimension.
toString

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How to use isNullmethodin org.h2.mvstore.rtree.SpatialKey

Best Java code snippets using org.h2.mvstore.rtree.SpatialKey.isNull (Showing top 20 results out of 315)

How to use
isNull
method
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org.h2.mvstore.rtree.SpatialKey