com.datastax.oss.driver.api.querybuilder.update.OngoingAssignment Maven / Gradle / Ivy
/*
* Copyright DataStax, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.datastax.oss.driver.api.querybuilder.update;
import com.datastax.oss.driver.api.core.CqlIdentifier;
import com.datastax.oss.driver.api.querybuilder.QueryBuilder;
import com.datastax.oss.driver.api.querybuilder.term.Term;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.util.Arrays;
public interface OngoingAssignment {
/**
* Adds an assignment to this statement, as in {@code UPDATE foo SET v=1}.
*
* To create the argument, use one of the factory methods in {@link Assignment}, for example
* Assignment{@link #setColumn(CqlIdentifier, Term)}. This type also provides shortcuts to create
* and add the assignment in one call, for example {@link #setColumn(CqlIdentifier, Term)}.
*
*
If you add multiple assignments as one, consider {@link #set(Iterable)} as a more efficient
* alternative.
*/
@NonNull
UpdateWithAssignments set(@NonNull Assignment assignment);
/**
* Adds multiple assignments at once.
*
*
This is slightly more efficient than adding the assignments one by one (since the underlying
* implementation of this object is immutable).
*
*
To create the argument, use one of the factory methods in {@link Assignment}, for example
* Assignment{@link #setColumn(CqlIdentifier, Term)}.
*/
@NonNull
UpdateWithAssignments set(@NonNull Iterable additionalAssignments);
/** Var-arg equivalent of {@link #set(Iterable)}. */
@NonNull
default UpdateWithAssignments set(@NonNull Assignment... assignments) {
return set(Arrays.asList(assignments));
}
/**
* Assigns a value to a column, as in {@code SET c=1}.
*
* This is a shortcut for {@link #set(Assignment) set(Assignment.setColumn(columnId, value))}.
*
* @see Assignment#setColumn(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments setColumn(@NonNull CqlIdentifier columnId, @NonNull Term value) {
return set(Assignment.setColumn(columnId, value));
}
/**
* Shortcut for {@link #setColumn(CqlIdentifier, Term)
* setColumn(CqlIdentifier.fromCql(columnName), value)}.
*
* @see Assignment#setColumn(String, Term)
*/
@NonNull
default UpdateWithAssignments setColumn(@NonNull String columnName, @NonNull Term value) {
return setColumn(CqlIdentifier.fromCql(columnName), value);
}
/**
* Assigns a value to a field of a UDT, as in {@code SET address.zip=?}.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.setField(columnId, fieldId,
* value))}.
*
* @see Assignment#setField(CqlIdentifier, CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments setField(
@NonNull CqlIdentifier columnId, @NonNull CqlIdentifier fieldId, @NonNull Term value) {
return set(Assignment.setField(columnId, fieldId, value));
}
/**
* Shortcut for {@link #setField(CqlIdentifier, CqlIdentifier, Term)
* setField(CqlIdentifier.fromCql(columnName), CqlIdentifier.fromCql(fieldName), value)}.
*
* @see Assignment#setField(String, String, Term)
*/
@NonNull
default UpdateWithAssignments setField(
@NonNull String columnName, @NonNull String fieldName, @NonNull Term value) {
return setField(CqlIdentifier.fromCql(columnName), CqlIdentifier.fromCql(fieldName), value);
}
/**
* Assigns a value to an entry in a map column, as in {@code SET map[?]=?}.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.setMapValue(columnId, index,
* value))}.
*
* @see Assignment#setMapValue(CqlIdentifier, Term, Term)
*/
@NonNull
default UpdateWithAssignments setMapValue(
@NonNull CqlIdentifier columnId, @NonNull Term index, @NonNull Term value) {
return set(Assignment.setMapValue(columnId, index, value));
}
/**
* Shortcut for {@link #setMapValue(CqlIdentifier, Term, Term)
* setMapValue(CqlIdentifier.fromCql(columnName), index, value)}.
*
* @see Assignment#setMapValue(String, Term, Term)
*/
@NonNull
default UpdateWithAssignments setMapValue(
@NonNull String columnName, @NonNull Term index, @NonNull Term value) {
return setMapValue(CqlIdentifier.fromCql(columnName), index, value);
}
/**
* Increments a counter, as in {@code SET c+=?}.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.increment(columnId, amount))}.
*
* @see Assignment#increment(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments increment(@NonNull CqlIdentifier columnId, @NonNull Term amount) {
return set(Assignment.increment(columnId, amount));
}
/**
* Shortcut for {@link #increment(CqlIdentifier, Term)
* increment(CqlIdentifier.fromCql(columnName), amount)}
*
* @see Assignment#increment(String, Term)
*/
@NonNull
default UpdateWithAssignments increment(@NonNull String columnName, @NonNull Term amount) {
return increment(CqlIdentifier.fromCql(columnName), amount);
}
/**
* Increments a counter by 1, as in {@code SET c+=1} .
*
*
This is a shortcut for {@link #increment(CqlIdentifier, Term)} increment(columnId,
* QueryBuilder.literal(1))}.
*
* @see Assignment#increment(CqlIdentifier)
*/
@NonNull
default UpdateWithAssignments increment(@NonNull CqlIdentifier columnId) {
return increment(columnId, QueryBuilder.literal(1));
}
/**
* Shortcut for {@link #increment(CqlIdentifier) CqlIdentifier.fromCql(columnName)}.
*
* @see Assignment#increment(CqlIdentifier)
*/
@NonNull
default UpdateWithAssignments increment(@NonNull String columnName) {
return increment(CqlIdentifier.fromCql(columnName));
}
/**
* Decrements a counter, as in {@code SET c-=?}.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.decrement(columnId, amount))}.
*
* @see Assignment#decrement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments decrement(@NonNull CqlIdentifier columnId, @NonNull Term amount) {
return set(Assignment.decrement(columnId, amount));
}
/**
* Shortcut for {@link #decrement(CqlIdentifier, Term)
* decrement(CqlIdentifier.fromCql(columnName), amount)}
*
* @see Assignment#decrement(String, Term)
*/
@NonNull
default UpdateWithAssignments decrement(@NonNull String columnName, @NonNull Term amount) {
return decrement(CqlIdentifier.fromCql(columnName), amount);
}
/**
* Decrements a counter by 1, as in {@code SET c-=1}.
*
*
This is a shortcut for {@link #decrement(CqlIdentifier, Term)} decrement(columnId, 1)}.
*
* @see Assignment#decrement(CqlIdentifier)
*/
@NonNull
default UpdateWithAssignments decrement(@NonNull CqlIdentifier columnId) {
return decrement(columnId, QueryBuilder.literal(1));
}
/**
* Shortcut for {@link #decrement(CqlIdentifier) CqlIdentifier.fromCql(columnName)}.
*
* @see Assignment#decrement(String)
*/
@NonNull
default UpdateWithAssignments decrement(@NonNull String columnName) {
return decrement(CqlIdentifier.fromCql(columnName));
}
/**
* Appends to a collection column, as in {@code SET l+=?}.
*
*
The term must be a collection of the same type as the column.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.append(columnId, suffix))}.
*
* @see Assignment#append(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments append(@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.append(columnId, suffix));
}
/**
* Shortcut for {@link #append(CqlIdentifier, Term) append(CqlIdentifier.fromCql(columnName),
* suffix)}.
*
* @see Assignment#append(String, Term)
*/
@NonNull
default UpdateWithAssignments append(@NonNull String columnName, @NonNull Term suffix) {
return append(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Appends a single element to a list column, as in {@code SET l+=[?]}.
*
*
The term must be of the same type as the column's elements.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.appendListElement(columnId,
* suffix))}.
*
* @see Assignment#appendListElement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments appendListElement(
@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.appendListElement(columnId, suffix));
}
/**
* Shortcut for {@link #appendListElement(CqlIdentifier, Term)
* appendListElement(CqlIdentifier.fromCql(columnName), suffix)}.
*
* @see Assignment#appendListElement(String, Term)
*/
@NonNull
default UpdateWithAssignments appendListElement(
@NonNull String columnName, @NonNull Term suffix) {
return appendListElement(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Appends a single element to a set column, as in {@code SET s+={?}}.
*
*
The term must be of the same type as the column's elements.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.appendSetElement(columnId,
* suffix))}.
*
* @see Assignment#appendSetElement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments appendSetElement(
@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.appendSetElement(columnId, suffix));
}
/**
* Shortcut for {@link #appendSetElement(CqlIdentifier, Term)
* appendSetElement(CqlIdentifier.fromCql(columnName), suffix)}.
*/
@NonNull
default UpdateWithAssignments appendSetElement(@NonNull String columnName, @NonNull Term suffix) {
return appendSetElement(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Appends a single entry to a map column, as in {@code SET m+={?:?}}.
*
*
The terms must be of the same type as the column's keys and values respectively.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.appendMapEntry(columnId, key,
* value)}.
*
* @see Assignment#appendMapEntry(CqlIdentifier, Term, Term)
*/
@NonNull
default UpdateWithAssignments appendMapEntry(
@NonNull CqlIdentifier columnId, @NonNull Term key, @NonNull Term value) {
return set(Assignment.appendMapEntry(columnId, key, value));
}
/**
* Shortcut for {@link #appendMapEntry(CqlIdentifier, Term, Term)
* appendMapEntry(CqlIdentifier.fromCql(columnName), key, value)}.
*
* @see Assignment#appendMapEntry(String, Term, Term)
*/
@NonNull
default UpdateWithAssignments appendMapEntry(
@NonNull String columnName, @NonNull Term key, @NonNull Term value) {
return appendMapEntry(CqlIdentifier.fromCql(columnName), key, value);
}
/**
* Prepends to a collection column, as in {@code SET l=[1,2,3]+l}.
*
*
The term must be a collection of the same type as the column.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.prepend(columnId, prefix))}.
*
* @see Assignment#prepend(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments prepend(@NonNull CqlIdentifier columnId, @NonNull Term prefix) {
return set(Assignment.prepend(columnId, prefix));
}
/**
* Shortcut for {@link #prepend(CqlIdentifier, Term) prepend(CqlIdentifier.fromCql(columnName),
* prefix)}.
*
* @see Assignment#prepend(String, Term)
*/
@NonNull
default UpdateWithAssignments prepend(@NonNull String columnName, @NonNull Term prefix) {
return prepend(CqlIdentifier.fromCql(columnName), prefix);
}
/**
* Prepends a single element to a list column, as in {@code SET l=[?]+l}.
*
*
The term must be of the same type as the column's elements.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.prependListElement(columnId,
* suffix))}.
*
* @see Assignment#prependListElement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments prependListElement(
@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.prependListElement(columnId, suffix));
}
/**
* Shortcut for {@link #prependListElement(CqlIdentifier, Term)
* prependListElement(CqlIdentifier.fromCql(columnName), suffix)}.
*
* @see Assignment#prependListElement(String, Term)
*/
@NonNull
default UpdateWithAssignments prependListElement(
@NonNull String columnName, @NonNull Term suffix) {
return prependListElement(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Prepends a single element to a set column, as in {@code SET s={?}+s}.
*
*
The term must be of the same type as the column's elements.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.prependSetElement(columnId,
* suffix))}.
*
* @see Assignment#prependSetElement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments prependSetElement(
@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.prependSetElement(columnId, suffix));
}
/**
* Shortcut for {@link #prependSetElement(CqlIdentifier, Term)
* prependSetElement(CqlIdentifier.fromCql(columnName), suffix)}.
*
* @see Assignment#prependSetElement(String, Term)
*/
@NonNull
default UpdateWithAssignments prependSetElement(
@NonNull String columnName, @NonNull Term suffix) {
return prependSetElement(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Prepends a single entry to a map column, as in {@code SET m={?:?}+m}.
*
*
The terms must be of the same type as the column's keys and values respectively.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.prependMapEntry(columnId, key,
* value))}.
*
* @see Assignment#prependMapEntry(CqlIdentifier, Term, Term)
*/
@NonNull
default UpdateWithAssignments prependMapEntry(
@NonNull CqlIdentifier columnId, @NonNull Term key, @NonNull Term value) {
return set(Assignment.prependMapEntry(columnId, key, value));
}
/**
* Shortcut for {@link #prependMapEntry(CqlIdentifier, Term, Term)
* prependMapEntry(CqlIdentifier.fromCql(columnName), key, value)}.
*
* @see Assignment#prependMapEntry(String, Term, Term)
*/
@NonNull
default UpdateWithAssignments prependMapEntry(
@NonNull String columnName, @NonNull Term key, @NonNull Term value) {
return prependMapEntry(CqlIdentifier.fromCql(columnName), key, value);
}
/**
* Removes elements from a collection, as in {@code SET l-=[1,2,3]}.
*
*
The term must be a collection of the same type as the column.
*
*
DO NOT USE THIS TO DECREMENT COUNTERS. Use the dedicated {@link
* #decrement(CqlIdentifier, Term)} methods instead. While the operator is technically the same,
* and it would be possible to generate an expression such as {@code counter-=1} with this method,
* a collection removal is idempotent while a counter decrement isn't.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.remove(columnId,
* collectionToRemove))}.
*
* @see Assignment#remove(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments remove(
@NonNull CqlIdentifier columnId, @NonNull Term collectionToRemove) {
return set(Assignment.remove(columnId, collectionToRemove));
}
/**
* Shortcut for {@link #remove(CqlIdentifier, Term) remove(CqlIdentifier.fromCql(columnName),
* collectionToRemove)}.
*
* @see Assignment#remove(String, Term)
*/
@NonNull
default UpdateWithAssignments remove(
@NonNull String columnName, @NonNull Term collectionToRemove) {
return remove(CqlIdentifier.fromCql(columnName), collectionToRemove);
}
/**
* Removes a single element to a list column, as in {@code SET l-=[?]}.
*
*
The term must be of the same type as the column's elements.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.removeListElement(columnId,
* suffix))}.
*
* @see Assignment#removeListElement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments removeListElement(
@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.removeListElement(columnId, suffix));
}
/**
* Shortcut for {@link #removeListElement(CqlIdentifier, Term)
* removeListElement(CqlIdentifier.fromCql(columnName), suffix)}.
*
* @see Assignment#removeListElement(String, Term)
*/
@NonNull
default UpdateWithAssignments removeListElement(
@NonNull String columnName, @NonNull Term suffix) {
return removeListElement(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Removes a single element to a set column, as in {@code SET s-={?}}.
*
*
The term must be of the same type as the column's elements.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.removeSetElement(columnId,
* suffix))}.
*
* @see Assignment#removeSetElement(CqlIdentifier, Term)
*/
@NonNull
default UpdateWithAssignments removeSetElement(
@NonNull CqlIdentifier columnId, @NonNull Term suffix) {
return set(Assignment.removeSetElement(columnId, suffix));
}
/**
* Shortcut for {@link #removeSetElement(CqlIdentifier, Term)
* removeSetElement(CqlIdentifier.fromCql(columnName), suffix)}.
*/
@NonNull
default UpdateWithAssignments removeSetElement(@NonNull String columnName, @NonNull Term suffix) {
return removeSetElement(CqlIdentifier.fromCql(columnName), suffix);
}
/**
* Removes a single entry to a map column, as in {@code SET m-={?:?}}.
*
*
The terms must be of the same type as the column's keys and values respectively.
*
*
This is a shortcut for {@link #set(Assignment) set(Assignment.removeMapEntry(columnId, key,
* value)}.
*
* @see Assignment#removeMapEntry(CqlIdentifier, Term, Term)
*/
@NonNull
default UpdateWithAssignments removeMapEntry(
@NonNull CqlIdentifier columnId, @NonNull Term key, @NonNull Term value) {
return set(Assignment.removeMapEntry(columnId, key, value));
}
/**
* Shortcut for {@link #removeMapEntry(CqlIdentifier, Term, Term)
* removeMapEntry(CqlIdentifier.fromCql(columnName), key, value)}.
*
* @see Assignment#removeMapEntry(String, Term, Term)
*/
@NonNull
default UpdateWithAssignments removeMapEntry(
@NonNull String columnName, @NonNull Term key, @NonNull Term value) {
return removeMapEntry(CqlIdentifier.fromCql(columnName), key, value);
}
}