Add the deprecated Claim handler functions to Property

src/Entity/Property.php

@@ -3,6 +3,10 @@
 namespace Wikibase\DataModel\Entity;
 
 use InvalidArgumentException;
+use Wikibase\DataModel\Claim\Claim;
+use Wikibase\DataModel\Claim\Claims;
+use Wikibase\DataModel\Snak\Snak;
+use Wikibase\DataModel\Statement\Statement;
 use Wikibase\DataModel\Statement\StatementList;
 use Wikibase\DataModel\Term\Fingerprint;
 use Wikibase\DataModel\StatementListProvider;
@@ -203,4 +207,59 @@ public function setStatements( StatementList $statements ) {
 		$this->statements = $statements;
 	}
 
+	/**
+	 * @deprecated since 1.0, use getStatements instead
+	 *
+	 * @return Statement[]
+	 */
+	public function getClaims() {
+		return $this->statements->toArray();
+	}
+
+	/**
+	 * @deprecated since 1.0, use setStatements instead
+	 *
+	 * @param Claims $claims
+	 */
+	public function setClaims( Claims $claims ) {
+		$this->statements = new StatementList( iterator_to_array( $claims ) );
+	}
+
+	/**
+	 * @deprecated since 1.0, use getStatements instead
+	 *
+	 * @return bool
+	 */
+	public function hasClaims() {
+		return !$this->statements->isEmpty();
+	}
+
+	/**
+	 * @deprecated since 1.0
+	 *
+	 * @param Snak $mainSnak
+	 *
+	 * @return Statement
+	 */
+	public function newClaim( Snak $mainSnak ) {
+		return new Statement( new Claim( $mainSnak ) );
+	}
+
+	/**
+	 * @deprecated since 1.0, use getStatements instead
+	 *
+	 * @param Claim $statement This needs to be a Statement as of 1.0
+	 *
+	 * @throws InvalidArgumentException
+	 */
+	public function addClaim( Claim $statement ) {
+		if ( !( $statement instanceof Statement ) ) {
+			throw new InvalidArgumentException( '$statement must be an instance of Statement' );
+		} elseif ( $statement->getGuid() === null ) {
+			throw new InvalidArgumentException( 'Can\'t add a Claim without a GUID.' );
+		}
+
+		$this->statements->addStatement( $statement );
+	}
+
 }

tests/unit/Entity/PropertyTest.php

@@ -7,6 +7,9 @@
 use Wikibase\DataModel\Entity\PropertyId;
 use Wikibase\DataModel\Snak\PropertyNoValueSnak;
 use Wikibase\DataModel\Statement\StatementList;
+use Wikibase\DataModel\Statement\Statement;
+use Wikibase\DataModel\Snak\PropertySomeValueSnak;
+use Wikibase\DataModel\Claim\Claims;
 
 /**
  * @covers Wikibase\DataModel\Entity\Property
@@ -207,4 +210,33 @@ public function testPropertyWithStatementsIsNotEmpty() {
 		$this->assertFalse( $property->isEmpty() );
 	}
 
+	public function testNewClaimReturnsStatementWithProvidedMainSnak() {
+		/** @var Snak $snak */
+		$snak = $this->getMock( 'Wikibase\DataModel\Snak\Snak' );
+
+		$property = Property::newFromType( 'string' );
+		$statement = $property->newClaim( $snak );
+
+		$this->assertInstanceOf( 'Wikibase\DataModel\Statement\Statement', $statement );
+		$this->assertEquals( $snak, $statement->getMainSnak() );
+	}
+
+	public function testSetClaims() {
+		$property = Property::newFromType( 'string' );
+
+		$statement0 = new Statement( new Claim( new PropertyNoValueSnak( 42 ) ) );
+		$statement0->setGuid( 'TEST$NVS42' );
+
+		$statement1 = new Statement( new Claim( new PropertySomeValueSnak( 42 ) ) );
+		$statement1->setGuid( 'TEST$SVS42' );
+
+		$statements = array( $statement0, $statement1 );
+
+		$property->setClaims( new Claims( $statements ) );
+		$this->assertEquals( count( $statements ), $property->getStatements()->count(), "added some statements" );
+
+		$property->setClaims( new Claims() );
+		$this->assertTrue( $property->getStatements()->isEmpty(), "should be empty again" );
+	}
+
 }