org.apache.flink.types.NullFieldException Java Examples

@SuppressWarnings("unchecked")
@Override
public void setReference(T toCompare) {
	int i = 0;
	try {
		for (; i < this.keyPositions.length; i++) {
			this.comparators[i].setReference(toCompare.getFieldNotNull(this.keyPositions[i]));
		}
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public void putNormalizedKey(T value, MemorySegment target, int offset, int numBytes) {
	int i = 0;
	try {
		for (; i < this.numLeadingNormalizableKeys && numBytes > 0; i++) {
			int len = this.normalizedKeyLengths[i];
			len = numBytes >= len ? len : numBytes;
			this.comparators[i].putNormalizedKey(value.getFieldNotNull(this.keyPositions[i]), target, offset, len);
			numBytes -= len;
			offset += len;
		}
	} catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	} catch (NullPointerException npex) {
		throw new NullKeyFieldException(this.keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public int compare(T first, T second) {
	int i = 0;
	try {
		for (; i < keyPositions.length; i++) {
			int keyPos = keyPositions[i];
			int cmp = comparators[i].compare(first.getFieldNotNull(keyPos), second.getFieldNotNull(keyPos));

			if (cmp != 0) {
				return cmp;
			}
		}
		return 0;
	} 
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public boolean equalToReference(T candidate) {
	int i = 0;
	try {
		for (; i < this.keyPositions.length; i++) {
			if (!this.comparators[i].equalToReference(candidate.getFieldNotNull(this.keyPositions[i]))) {
				return false;
			}
		}
		return true;
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public void setReference(T toCompare) {
	int i = 0;
	try {
		for (; i < this.keyPositions.length; i++) {
			this.comparators[i].setReference(toCompare.getFieldNotNull(this.keyPositions[i]));
		}
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public int hash(T value) {
	int i = 0;
	try {
		int code = this.comparators[0].hash(value.getFieldNotNull(keyPositions[0]));
		for (i = 1; i < this.keyPositions.length; i++) {
			code *= HASH_SALT[i & 0x1F]; // salt code with (i % HASH_SALT.length)-th salt component
			code += this.comparators[i].hash(value.getFieldNotNull(keyPositions[i]));
		}
		return code;
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public void putNormalizedKey(T value, MemorySegment target, int offset, int numBytes) {
	int i = 0;
	try {
		for (; i < this.numLeadingNormalizableKeys && numBytes > 0; i++) {
			int len = this.normalizedKeyLengths[i];
			len = numBytes >= len ? len : numBytes;
			this.comparators[i].putNormalizedKey(value.getFieldNotNull(this.keyPositions[i]), target, offset, len);
			numBytes -= len;
			offset += len;
		}
	} catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	} catch (NullPointerException npex) {
		throw new NullKeyFieldException(this.keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public int compare(T first, T second) {
	int i = 0;
	try {
		for (; i < keyPositions.length; i++) {
			int keyPos = keyPositions[i];
			int cmp = comparators[i].compare(first.getFieldNotNull(keyPos), second.getFieldNotNull(keyPos));

			if (cmp != 0) {
				return cmp;
			}
		}
		return 0;
	} 
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public boolean equalToReference(T candidate) {
	int i = 0;
	try {
		for (; i < this.keyPositions.length; i++) {
			if (!this.comparators[i].equalToReference(candidate.getFieldNotNull(this.keyPositions[i]))) {
				return false;
			}
		}
		return true;
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public void setReference(T toCompare) {
	int i = 0;
	try {
		for (; i < this.keyPositions.length; i++) {
			this.comparators[i].setReference(toCompare.getFieldNotNull(this.keyPositions[i]));
		}
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public int hash(T value) {
	int i = 0;
	try {
		int code = this.comparators[0].hash(value.getFieldNotNull(keyPositions[0]));
		for (i = 1; i < this.keyPositions.length; i++) {
			code *= HASH_SALT[i & 0x1F]; // salt code with (i % HASH_SALT.length)-th salt component
			code += this.comparators[i].hash(value.getFieldNotNull(keyPositions[i]));
		}
		return code;
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public void putNormalizedKey(T value, MemorySegment target, int offset, int numBytes) {
	int i = 0;
	try {
		for (; i < this.numLeadingNormalizableKeys && numBytes > 0; i++) {
			int len = this.normalizedKeyLengths[i];
			len = numBytes >= len ? len : numBytes;
			this.comparators[i].putNormalizedKey(value.getFieldNotNull(this.keyPositions[i]), target, offset, len);
			numBytes -= len;
			offset += len;
		}
	} catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	} catch (NullPointerException npex) {
		throw new NullKeyFieldException(this.keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public int compare(T first, T second) {
	int i = 0;
	try {
		for (; i < keyPositions.length; i++) {
			int keyPos = keyPositions[i];
			int cmp = comparators[i].compare(first.getFieldNotNull(keyPos), second.getFieldNotNull(keyPos));

			if (cmp != 0) {
				return cmp;
			}
		}
		return 0;
	} 
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public boolean equalToReference(T candidate) {
	int i = 0;
	try {
		for (; i < this.keyPositions.length; i++) {
			if (!this.comparators[i].equalToReference(candidate.getFieldNotNull(this.keyPositions[i]))) {
				return false;
			}
		}
		return true;
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public int hash(T value) {
	int i = 0;
	try {
		int code = this.comparators[0].hash(value.getFieldNotNull(keyPositions[0]));
		for (i = 1; i < this.keyPositions.length; i++) {
			code *= HASH_SALT[i & 0x1F]; // salt code with (i % HASH_SALT.length)-th salt component
			code += this.comparators[i].hash(value.getFieldNotNull(keyPositions[i]));
		}
		return code;
	}
	catch (NullFieldException nfex) {
		throw new NullKeyFieldException(nfex);
	}
	catch (IndexOutOfBoundsException iobex) {
		throw new KeyFieldOutOfBoundsException(keyPositions[i]);
	}
}
 

@Test(expected = NullFieldException.class)
public void testGetFieldNotNull() {
	Tuple2<String, Integer> tuple = new Tuple2<>("Test case", null);

	Assert.assertEquals("Test case", tuple.getFieldNotNull(0));
	tuple.getFieldNotNull(1);
}
 

/**
 * Gets the field at the specified position, throws NullFieldException if the field is null. Used for comparing key fields.
 *
 * @param pos The position of the field, zero indexed.
 * @return The field at the specified position.
 * @throws IndexOutOfBoundsException Thrown, if the position is negative, or equal to, or larger than the number of fields.
 * @throws NullFieldException Thrown, if the field at pos is null.
 */
public <T> T getFieldNotNull(int pos){
	T field = getField(pos);
	if (field != null) {
		return field;
	} else {
		throw new NullFieldException(pos);
	}
}
 

@Override
public void serialize(T value, DataOutputView target) throws IOException {
	for (int i = 0; i < arity; i++) {
		Object o = value.getField(i);
		try {
			fieldSerializers[i].serialize(o, target);
		} catch (NullPointerException npex) {
			throw new NullFieldException(i, npex);
		}
	}
}
 

/**
 * Gets the field at the specified position, throws NullFieldException if the field is null. Used for comparing key fields.
 *
 * @param pos The position of the field, zero indexed.
 * @return The field at the specified position.
 * @throws IndexOutOfBoundsException Thrown, if the position is negative, or equal to, or larger than the number of fields.
 * @throws NullFieldException Thrown, if the field at pos is null.
 */
public <T> T getFieldNotNull(int pos){
	T field = getField(pos);
	if (field != null) {
		return field;
	} else {
		throw new NullFieldException(pos);
	}
}
 

@Test(expected = NullFieldException.class)
public void testGetFieldNotNull() {
	Tuple2<String, Integer> tuple = new Tuple2<>("Test case", null);

	Assert.assertEquals("Test case", tuple.getFieldNotNull(0));
	tuple.getFieldNotNull(1);
}
 

@Override
public void serialize(T value, DataOutputView target) throws IOException {
	for (int i = 0; i < arity; i++) {
		Object o = value.getField(i);
		try {
			fieldSerializers[i].serialize(o, target);
		} catch (NullPointerException npex) {
			throw new NullFieldException(i, npex);
		}
	}
}
 

@Override
public void serialize(T value, DataOutputView target) throws IOException {
	for (int i = 0; i < arity; i++) {
		Object o = value.getField(i);
		try {
			fieldSerializers[i].serialize(o, target);
		} catch (NullPointerException npex) {
			throw new NullFieldException(i, npex);
		}
	}
}
 

/**
 * Gets the field at the specified position, throws NullFieldException if the field is null. Used for comparing key fields.
 *
 * @param pos The position of the field, zero indexed.
 * @return The field at the specified position.
 * @throws IndexOutOfBoundsException Thrown, if the position is negative, or equal to, or larger than the number of fields.
 * @throws NullFieldException Thrown, if the field at pos is null.
 */
public <T> T getFieldNotNull(int pos){
	T field = getField(pos);
	if (field != null) {
		return field;
	} else {
		throw new NullFieldException(pos);
	}
}
 

@Test(expected = NullFieldException.class)
public void testGetFieldNotNull() {
	Tuple2<String, Integer> tuple = new Tuple2<>("Test case", null);

	Assert.assertEquals("Test case", tuple.getFieldNotNull(0));
	tuple.getFieldNotNull(1);
}